FEB227 User's Guide Universal Input 12W LED Ballast
Contents
1. 4 13 5 Result for for Q101 and D201 Vin 230Vnus t min O 2010 Fairchild Semiconductor Corporation Page 36 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 14 EMI Tests 4 14 1 Test Condition The power supply was loaded with a resistor of 26 52 The GND net of the output was connected to the PE conductor Input voltages of 1 10Vgys and 230Vgys were used The average level of the conducted EMI has been measured with the setup given in 3 0 and is compared to the Quasi Peak and Average limits given by CISPR 22 EN55022 4 14 2 Result for Vin 110 Vnus Scan Graph dBuV dBuV n l lII LILI i i AI 0 01 i 1 10 0 003 Frequency MHz 30 Tithe ENSS011 22 Class B Conducted Emissions Spec 1 EX55011 22 Class B Conducted Emissions QP Spec 2 EX55011 22 Class B Conducted Emissions AV 2010 Fairchild Semiconductor Corporation Page 37 of 46 Rev 1 0 12 2010 FAIRCHILD www fairchildsemi com SEMICONDUCTOR 4 14 3 Result for Vin 230Vaus Scan Graph ke B a rd i B a d Frequency MHz Conducted Emission 72 Class B 011 22 Class B Conducted Ema 011 ENSS Title sions QP 011 22 Class B Conducted Emissions AV fe LI Spec 1 EX55 2 EN55 Rev 1 0 12 2010 Page 38 of 46 O 2010 Fairchild Semiconductor Corporation FAIRCHILD SEMICO2. DIP 8 and SOP 8 Package Available 2010 Fairchild Semiconductor Corporation Page 43 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR 7 1 2 FAN102 Block Diagram www fairchildsemi com GND W Recovery JUL OSC with kwaa Frequency BIAS Hopping Mode Controller S H Sample and Hold Vsah Outpul voltage feedback signal DR Paak inductor Curent 2010 Fairchild Semiconductor Corporation 5 ab Slopa Compensation Conetant Gurrarni Ragulalicn Brown out Prataction Temperature Compensation Page 44 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 8 0 References and Resources 8 1 Application Notes AN 6067 Design and Application of Primary Side Regulation PSR PWM Controller and EZ Switch O 2010 Fairchild Semiconductor Corporation Page 45 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com TRADEM ARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks Auto SP MTM reg PowerTrench The Power Franchise Build it N owTM FRFE PowerxS the CorePLUS Global Power Resource ee able Active Droop p wer CorePOWERTM Green FPS QFE TinyBoost CROSSVOLT Green FPS e Series Qs TinyBuc iau TIL Gmax Quiet Series Wi Current Transfer Logic GTO R
3. 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 4 Load Regulation lout max 350mA 4 4 1 Test Condition and Method The load voltage of the output is swept from 2 0V to 19V and the output current is being measured These measurements are done with 1 10Vgys and 230Vpms input voltage 4 4 2 Result for Vin 1 10Vems 12 0 8 0 4 0 0 0 0 0 50 0 100 0 150 0 200 0 250 0 300 0 350 0 400 0 lout mA 2010 Fairchild Semiconductor Corporation Page 17 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 4 3 Result for Vi 230Vaus 12 0 8 0 4 0 0 0 0 0 50 0 100 0 150 0 200 0 250 0 300 0 350 0 400 0 lout m A O 2010 Fairchild Semiconductor Corporation Page 18 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 5 Standby Power vs Input Voltage loutimax 00mA 4 5 1 Test Condition and Method The input power for various input voltages was measured at no load and at minimum load 1 e at Voutmin The standby power was calculated as Psy Pin Pour At minimum load the output current was measured and the minimum and maximum deviation from the nominal output current calculated 4 5 2 No Load Standby Power 80 110 140 170 200 230 260 Input Voltage Vans 4 5 3 Accuracy of Output with No Load 49 0 2010 Fairchild Semiconductor Corporation Page 19 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR ww
4. S T T 363mA 3 Mar 2008 15 34 39 Pe Ch La 100mA div Ch Le 50mA div time base 5ms div I Ripple time base 5ms div I Ripple 792MA 3 Mar 2008 mE M5 00ms f 740MA 3 Mar 2008 15 33 28 100mA 15 35 42 Ch Le 200mA div Ch Le 100mA div time base 5ms div I Ripple time base 5ms div I Ripple 200mA O 2010 Fairchild Semiconductor Corporation Page 26 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 10 Soft Start Test 4 10 1 Test Condition and Method The output was loaded with the maximum load The voltage on the output as well as the drain voltage and drain current of Q101 were measured during a power up sequence The test was done with Laman 350MA and Lou 700mA respectively A Vin of 1 10Vgys and 230Vgygs was used 4 10 2 Result for lou max 350mA Vin 110Vems Output Voltage Drain Voltage and Drain Current Tek BIB Single seq 250kS s Tek BER Single Seq 1 00MS s dE a m m GC E e MEE m 17 5 V 320 V IR kain ai WE 00V Maos Ch f 4 4 V 3 Mar 2008 wi oov Hois boms Ch 7 272m 3 Mar 2008 16 36 42 Ch4 200mA 16 17 43 Ch Vprain 100V div Cha Iprain 200mA div Ch Vour 5V div time base 4ms div time base 5ms div Vprainamar 320V 4 10 3 Result for lou max 350mA Vin 230Vnus Voltage Drain Voltage and Drain Current Tek HT Single seq 250kS s Tek BITE Single Seq 1 00MS s EL D
5. the current measured for the output at Vin 230Vgys 4 7 2 Result The minimum and maximum values in the table below are calculated as deviations from the output voltage as specified in section 1 2 652 40 657 00 143 6 1 102 0 S 100 0 amp 98 0 c S 96 0 gt En ab C 940 92 0 CIA 80 110 140 170 200 230 260 Input Voltage Vang 2010 Fairchild Semiconductor Corporation Page 22 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 8 Load Regulation lout max 00mA 4 8 1 Test Condition and Method The load voltage of the output is swept from 2 0V to 19V and the output current is being measured These measurements are done with 1 10Vgys and 230Vpms input voltage 4 8 2 Result for Vin 1 10Vems 16 0 12 0 8 0 4 0 0 0 0 0 80 0 160 0 240 0 320 0 400 0 480 0 560 0 640 0 720 0 lout mA 2010 Fairchild Semiconductor Corporation Page 23 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 8 3 Result for Vin 230Vnus 12 0 8 0 4 0 0 0 0 0 80 0 160 0 240 0 3200 400 0 4800 560 00 06400 720 0 lout m A O 2010 Fairchild Semiconductor Corporation Page 24 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 9 Output Ripple amp Noise 4 9 1 Test condition and Method for Voltage Ripple and Noise The output was loaded with the maximum load The so called P
6. 02 Description 42 1 1 1 FAN102 Features 42 7 1 2 FAN102 Block Diagram 43 8 0 References and Resources 44 8 1 Application Notes AA Direct questions or comments about this Evaluation Board to Worldwide Direct Support Fairchild Semiconductor com 2010 Fairchild Semiconductor Corporation Page 3 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com Disclaimer Fairchild Semiconductor Limited Fairchild provides these design services as a benefit to our customers Fairchild has made a good faith attempt to build for the specifications provided or needed by the customer Fairchild provides this product as is and without recourse and MAKES NO WARRANT Y EXPRESSED IMPLIED OR OTHERWISE INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Customer agrees to do its own testing of any Fairchild design in order to ensure design meets the customer needs Neither Fairchild nor Customer shall be liable for incidental or consequential damages including but not limited to the cost of labor re qualifications rework charges delay lost profits or loss of goodwill arising out of the sale installation or use of any Fairchild product Fairchild will defend any suit or proceeding brought against Customer if itis based on a claim that any of its products infringes any U S Canadian Japanese EU or EFTA member country intellectual property right Fairchild must be notified promptly in
7. ARD periodic and random disturbance method was used to measure ripple and noise voltage in AC coupling mode See for example Celestica application note AN 1259 1 R2 IMPORTANT NOTE Output voltage ripple measurements cannot be made using a normal oscilloscope probe set up Magnetic field coupling into the ground connection for the oscilloscope probe could cause noise voltages far greater than the true ripple voltage The test was done with Lut max 350mA and Lout max 700mA respectively A Vix of 110Vams and 230Vems was used WIE 200mVv MS 00ms Ch2 f 452MV 3 Mar 2008 WIE 200mVv MS 00ms Ch2 f 316mV 3 Mar 2008 15 22 48 15 26 15 Ch Vrippie 200mV div Ch Vrippie 200mV div time base 5ms div V Ripple time base 5ms div V Ripple Wiy S00mVT M5 00ms ch 970mV 3 Mar 2008 ST6mV 3 Mar 2008 15 24 12 15 27 35 Ch V Ripple 500mV div Ch V Ripple 200mV div time base 5ms div V Ripple 1 time base 5ms div V Ripple _p O 2010 Fairchild Semiconductor Corporation Page 25 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 9 4 Test condition and Method for Current Ripple The output was loaded with the maximum load Using a current probe as mentioned in section 3 0 the output current was traced The test was done with Luss 350mA and Liut max 700mA respectively A Vin of 110Vgys and 230Vems was used 4 9 5 Result for Meng max 350mA Vin 110Vrms Vin 230Vnys e gl S e j I
8. FAIRCHILD SEMICONDUCTOR www fairchildsemi com FEB227 User s Guide Universal Input 12W LED Ballast Featured Fairchild Product FAN102MY O 2010 Fairchild Semiconductor Corporation Page of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com Table of Contents 1 0 General Board Description 4 1 1 Contents of the Evaluation Kit 4 1 2 Power Supply Specification Table 4 2 0 Circuit Description 5 2 1 Board Photograph D 2 2 Schematic 7 2 3 PCB Layout 9 2 4 Evaluation Board Connection 10 3 0 Test Equipment 11 4 0 Test Results 12 4 1 Standby Power vs Input Voltage louimag 350mA 12 4 2 Full Load Efficieny vs Input Voltage loutmax 350mA 14 4 3 Line Regulation lguyma 350mA 15 4 4 Load Regulation see 350mA 16 4 5 Standby Power vs Input Voltage loma 700mA 18 4 6 Full Load Efficieny vs Input Voltage loutmax 700mA 20 4 7 Line Regulation loumax 00mA 21 4 8 Load Regulation lout max 00mMA 22 4 9 Output Ripple amp Noise 24 4 10 Soft Start Test 26 4 11 Output Short Circuit Protection Test 28 4 12 Typical Drain Waveforms 30 4 13 Thermal Performance 34 4 14 EMI Tests 36 5 0 Bill of Materials and Transformer Specification 38 5 1 Bill of Materials 38 O 2010 Fairchild Semiconductor Corporation Page 2 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 5 2 ransformer Specification 39 6 0 Printed Circuit Board Special Instructions 40 7 0 Featured Products 42 7 1 FAN1
9. ILD SEMICONDUCTOR www fairchildsemi com 16 05 59 Chd 200mA Chi Vpran 100V div Ch Iprain 200mA div time base 10us div O 2010 Fairchild Semiconductor Corporation Page 33 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com M10 0us Chi 484 V 3 Mar 2008 16 08 44 Chd 200mA Chi Vprain 200V div Ch4 Iprain 200mA div time base 10us div O 2010 Fairchild Semiconductor Corporation Page 34 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 13 Thermal Performance 4 13 1 Test Condition and Method The temperatures of the transformer T1 controller IC101 MOSFET Q101 and the secondary rectifying diode D201 were measured with thermocouples The measured temperatures were monitored from start up of the PSU until a steady state was recognized The test was done with Ij454 700mA 17V at Vw of 110Vams and 230Vems respectively Tamb 24 C 4 13 2 Result for IC101 and T1 Vin 110Vnys 60 9 C 50 40 30 20 10 t min 4 13 3 Result for for Q101 and D201 Vin 110Vems 60 9 C 50 40 30 20 10 t min O 2010 Fairchild Semiconductor Corporation Page 35 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 13 4 Result for IC101 and T1 Vin 230Vnys 60 9 C 50 40 30 20 10 t min
10. NDUCTOR www fairchildsemi com 5 0 Bill of Materials and Transformer Specification 5 1 Bill of Materials I CONND OMKDSISS Phoenix Contact GMKDSIS 2 1 CONDO MKDSNLS2 Phoenix Contact MKDSNLS ee eat went ii 1 CI 220nF X2 EposB3292C 5 1 CO 22uF 400V Nichon VR 6 2 CIO CI8 1OnF SOV any SMDO060 7 1 OA 68nF 16V any SMDO060 nl CIO 10uF 25V any SMD 1206 92 1 C106 1On 50V anySMDO0S5 10 1 CIO 68pF 16V any SMD0603 un 1 CO SV Kemet C2220C226K3RAC 2 1 DIO DFIOS Fairchild Semiconductor D102 E tM MMENENNMNMEAKC T HEN J101 2 pin pin header 100mil pitch plus shorting link LED201 LED202 LED203 XREWHT L1 0000 006E5 Cree XLamp XR E LF101 2x39mH 0 6A Epcos B82731 M Q101 FCD4N60 Fairchild Semiconductor Q102 BC846B Fairchild Semiconductor R101 100K 2W 5 R102 R103 IR 0 25W 1 KOA SR732BTTD2R00F R104 LOR 0 063W 1 any SMD 0603 R105 100R 0 1W 1 any SMD 0603 R106 200K 0 1W 1 any SMD 0603 R107 39K 0 1W 1 any SMD 0603 R108 7 5K 0 1W 1 any SMD 0603 R109 160K 0 1W 1 any SMD 0603 R110 R112 750K 0 25W 1 any SMD 1206 R111 3K 0 1W 1 any SMD 0603 see transformer spec O 2010 Fairchild Semiconductor Corporation Page 39 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICO
11. NDUCTOR www fairchildsemi com 5 2 Transformer Specification 5 2 1 Winding Details Pins Start BENE of Strands x Wire o Turns wi 321 1 1 x 0 20mm 100 solenoid Schematic ai 0 A li d Construction 3 3 Layers of Tape i e g 3M 1350 1 Layer Tape 6 9 3M 1350 Layers not to scale TIITTIIITTITTIITIITTIIITITTIITIITTITO a 522 Electrical Characteristics Parameter Pins Specification Conditions Primary Inductance 2 06mH 5 100kHz 1000mV all secondaries open Leakage inductance 42uH maximum 100kHz 1000mV all secondaries short 523 Core and Bobbin 524 Safety High voltage test 3000Vems for 1 minute between primary pins 1 to 5 and secondary pins 6 to 10 5 2 5 Ordering A complete assembled transformer following this specification can be ordered directly from TDK partnumber SRW20EF X46H014 O 2010 Fairchild Semiconductor Corporation Page 40 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 6 0 Printed Circuit Board Special Instructions Important safety precautions These boards are only to be operated and handled by qualified technicians and qualified engineers who have received a specific training on the handling of high voltage laboratory boards and equipment DO NOT test the board without proper safety equipment such as an isolation transformer safety glasses and or sun glasses DO NOT allow people to look directly i
12. O 2010 Fairchild Semiconductor Corporation Page 7 of 46 Rev 1 0 12 2010 FAIRCHILD www fairchildsemi com SEMICONDUCTOR 2 2 Schematic Rev 1 0 12 2010 Zo LSC NOS FSIQUSESE jou LOLNNOO SrLETIOA EN MES HZ HOO d EK gorda Jo a SOL panji BILH ja FOLD HGE B EVA L0H La 002 GET dp LOF wulpsz DEZ 10183 D Ki Q HMOO OND i oo KINA ee zx DO LOLO i EM IMMO junzz EN 2119 Amon Alt LOL Ag A S GA COLD ped quus ssjouspr i ZOINW4 OLM vau HUSET HOG LOLS u POL BAFZZENNIN MOSS SOLO AGE FA Nya E z angi ONG 4 GOU LA Jue 5 HESH HOGL coLq DL dora DEEH Ja 4 EI FOL zoo ZG LNSOAM Idee ME LOENNOD E Jupi A001 RID BOY c mo zx 41 H T 8583 ewon GENE 73 50130 LO LL Lora 2 2 1 Power Supply Unit Section 2010 Fairchild Semiconductor Corporation FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 2 2 LED Section The heatsinks are optional and have not been assembled lout gt gt HS202 HS201 HS FISCHER FK 250 06 HS FISCHER FK 250 06 i LED201 a XREWHT L1 000 006E5 a 1 Na N Y HG 204 HS203 HS FISCHER FK 250 06 HS FISCHER FK 250 06 LED202 XREWHT L1 0000 006E5 LA HS206 HS205 HS FISCHER FK 250 06 HS FISCHER FK 250 06 T LED203 XREWHT L1 0000 006E5 m NN E v GND gt a 2010 Fairchild Semiconduct
13. Warning This Evaluation Board may employ high voltages so appropriate safety precautions should be used when operating this board Replace components on the Evaluation Board only with those parts shown on the BOM Contact an authorized Fairchild representative with any questions O 2010 Fairchild Semiconductor Corporation Page 4 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 1 0 General Board Description The FEB227 Evaluation Board is an isolated primary side regulated off line AC DC converter power supply in flyback technology It has a universal input voltage range of 85 Veus to 265 Vpems at a line frequency of 50Hz to 60Hz It has one constant current output selectable between 350mA and 700mA both at a maximum output voltage of 17V However the output current can easily be changed by changing one resistor The controller used on the FEB227 Evaluation Board is Fairchild Semiconductor s FAN102MY This highly integrated PWM controller provides several features to enhance the performance of low power flyback converters The patented topology enables most simplified circuit design especially for battery charger applications The result is a low cost smaller and lighter charger when compared to a conventional design or a linear transformer The start up current is only 10uA which allows use of large start up resistance for further power saving To minimize the standby power consumption the proprietary green mode fun
14. apidC onfigure TinyLogic EcoSPARK IntelliMAX e TINYOPTO ntelli EfficentMax ISOPLANART n check _ rM MegaBuck Saving our world IMWAVKW at a time TinyWire MICROCOUPLER sm artMax TriFault Detect ad HEE Jaa GE MillerDrive STEALTH poeres Fairchild MotionMax SuperFE TTM d Fairchild Semiconductor Motion SPM SuperSOT 3 Des FACT Quiet Series OPTOLOGIC SuperSOT 8 UHC FACT OPTOPLANAR s m Ultra FRFET e upersOT a FAST e e MOS mn UniFET u pre TH FastvC ore SyncFET VCX FETBench PDP SPM Sync Lock VisualM ax FlashW riter PowerSPMT SYSTEM s AS FPS GENERAL Trademarks of System General Corporation used under license by Fairchild Semiconductor WARNING AND DISCLAIMER Replace components on the Evaluation Board only with those parts shown on the parts list or Bill of Matenals in the Users Guide Contact an authorized Fairchild representative with any questions The Evaluation board or kit is for demonstration purposes only and neither the Board nor this User s Guide constitute a sales contract or create any kind of warranty whether express or implied as to the applications or products involved Fairchild warantees that its products meet Fairchild s published specifications but does not guarantee that its products work in any specific application Fairchild reserves the nghtto make changes without notice to any products described herein to improve reliability f
15. com 4 11 Output Short Circuit Protection Test 4 11 1 Test Condition and Method The output was shorted The voltages on the Vcc CS COMI and COMV pins were measured with an input voltage of Vm 265Vnys 4 11 2 Result for Vec and CS pin 15 1V 4 Mar 2008 16 16 43 ee lO00mVv O 2010 Fairchild Semiconductor Corporation Page 29 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 11 3 Result for COMI and COMV pin shel kan bord hin VE me 2 32 V 4 Mar 2008 16 21 21 Ch COMI pin 1V div Ch COMV pin 1V div time base 40ms div Ch3 O 2010 Fairchild Semiconductor Corporation Page 30 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 12 Typical Drain Waveforms 4 12 1 Test Condition and Method The output was loaded with maximum load The drain voltage and drain current of Q101 were measured The test was done with loutmax 350mA and Luna 700mA respectively A Vin of 10Vgys and 230Vgys was used M 10 0us Chi 7 A 306V 3 Mar 2008 16 00 00 Ch4 200mA Chi Vpran 100V div Ch Iprain 200mA div time base 10us div O 2010 Fairchild Semiconductor Corporation Page 31 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com Minus Chi 7 X 476 V 3 Mar 2008 16 08 06 Chd 200mA Chi Vpran 200V div Ch Iprain 200mA div time base 10us div O 2010 Fairchild Semiconductor Corporation Page 32 of 46 Rev 1 0 12 2010 FAIRCH
16. conductor Corporation s Ant Counterfeiting Policy Fairchild s Ant Counterfeiting Policy is also stated on our extemal website www fairchildsemi cam Under Sales Support Counterfeiting of semiconductor parts is a growing problem in the industry All manufacturers of semiconductor products are experiencing counterfeiting of their parts Customers who inacvertenthy purchase counterfeit parts experience many problems such as loss of brand reputation substandard performance failed applications and increased cost of production and manufacturing delays Fairchild is taking strong measures to protect ourselves and our customers from the proliferation of counterfet parts Fairchild strongly encourages customers to purchase Fairchild parts either directly from Fairchild ar from Authorzed Fairchild Distributors who are listed by country an our web page cited above Products customers buy either from Fairchild directly or from Authonzed Fairchild Distributors are genuine parts have full traceability meet Fairchilc s quality standards for handling and storage and provide access to Fairchild s full range of up to date technical and product information Fairchild and aur Authonzed Distributors will stand behind all warranties and will appropriately address any warranty issues that may arise Fairchild will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources Fairchild is committed to combat this global problem and encourage
17. ction provides off time modulation to linearly decrease PWM frequency under light load conditions This green mode function assists the power supply to easily meet the power conservation requirement By using FAN102 a charger can be implemented with fewest external components and a minimized cost 1 1 Contents of the FEB227 Evaluation Kit e FEB227 Evaluation Board e Data sheets for the parts listed below can be obtained on the Internet from Fairchild Semiconductor s website http www fairchildsemi com FANI02MY DF10S RSIG K MM3Z24VB ES3D FCD4N60 BC846B Application Note AN 6067 1 2 Power Supply Specification Table Minimum Line Voltage Maximum Line Voltage 265 Vnus Line Frequency 50Hz to 60Hz Output selectable 350mA 700mAconstant current 17Vmax 2010 Fairchild Semiconductor Corporation Page 5 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 0 Circuit Description The input voltage 1s rectified and filtered by D101 and C102 to generate a DC voltage for the input of the flyback converter Line filter LF101 X2 capacitor C101 and the X1 Y1 capacitor CI act as an EMI filter R101 C106 and D102 form a clamping network that limits the voltage spike due to the energy trapped in the leakage inductance of the transformer After start up R110 R112 are used to charge up C105 Once the threshold voltage is reached IC101 is activated and draws its supply current from the Vcc winding pins 4 5 of T1 rectifie
18. d by D104 To keep the Vcc below a safe limit a simple linear regulator is used C108 Q102 D105 and R111 The switching element Q101 is driven by the GATE pin via gate resistor R104 The output current level is determined by the current sense resistors R102 and R103 If J101 is open the current flows only through R102 and thus the output current is low If J101 is shorted the current flows through the parallel connection of R102 and R103 and thus the output current is high The voltage across R102 R103 1s filtered by R105 and fed into the CS pin The output voltage regulation 1s indirectly achieved by monitoring the Vcc level To do this Vcc is divided by R109 and R108 in order to get 2 5V at the voltage sense pin VS C107 acts as a filter The FAN102SZ has a built in slope compensation For frequency compensation R107 C103 are connected to the COMV pin and R106 C104 are connected to the COMI pin The transformed voltage is rectified by D201 and filtered by the MLCC C201 2 1 Board Photograph Top Side View Universal Input 12W LED Ballast Constant Output Current of open S50mA Selectable ONN201 ar A n Output Cut here for standalone operation 2010 Fairchild Semiconductor Corporation Page 6 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com Bottom Side View 3 x IER T Cc CT BITES IL 103 3 a o e 20060006 Go0o00o c108 al gl D105 H Lo CCE AM a Gaio2 e
19. digit 3000C Base unit using 3311C 3314C and 2x 3332A modules Power Analyze LEM NORMA 5000 AC Source Chroma Programmable AC Source Model 61502 e Temp Probe Greisinger dual channel digital thermometer GMH3230 using two GTF300 NiCr Ni thermocouples The ambient temperature for all tests was 25 C if not noted otherwise O 2010 Fairchild Semiconductor Corporation Page 12 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 0 Test Results 4 1 Standby Power vs Input Voltage loutma 350mA 4 1 1 Test Condition and Method The input power for various input voltages was measured at no load and at minimum load i e at Voutminy The standby power was calculated as Psy Pin Pour At minimum load the output current was measured and the minimum and maximum deviation from the nominal output current calculated 4 1 2 No Load Standby Power gt Been O o D 2 le c amp o 040 80 110 140 170 200 230 260 Input Voltage Vang 4 1 3 Accuracy of Output with No Load 33 00 O 2010 Fairchild Semiconductor Corporation Page 13 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 1 4 Minimum Load Standby Power 0 57 gt A gt 0 70 D D c o 80 110 140 170 200 230 260 Input Voltage Vans 4 1 5 Output Current at Minimum Load O 2010 Fairchild Semiconductor Corporation Page 14 of 46 Re
20. ldsemi com 7 0 Featured Products 7 1 FAN102 Description The FANIO2 is a highly integrated PWM controller provides several features to enhance the performance of low power flyback converters The patented topology enables most simplified circuit designs especially for battery charger applications The result is a low cost smaller and lighter charger when compared to a conventional design or a linear transformer The start up current is only 10uA which allows use of large start up resistance for further power saving To minimize the standby power consumption the proprietary green mode function provides off time modulation to linearly decrease PWM frequency under light load conditions This green mode function assists the power supply to easily meet the power conservation requirement By using FAN102 a charger can be implemented with fewest external components and minimized cost 7 1 1 FAN102 Features 9 Constant voltage CV and Constant current CC Control Without Secondary feedback Circuitry Green mode Function PWM Frequency Linearly Decreasing Fixed PWM Frequency at 42kHz with Frequency Hopping to Solve EMI Problem Cable Compensation in CV mode Low Start up Current 104A Low Operating Current 3 5mA Peak current mode Control in CV mode Cycle by cycle Current Limiting VDD Over voltage Protection with Auto Restart VDD Under voltage Lockout UVLO Gate Output Maximum Voltage Clamped at 18V Fixed Over temperature Protection with Latch
21. ly the transformer design was laid out for Pout max 12W Therefore the maximum output current is 700mA Important note The same safety precautions as written above apply Modification of the Board for stand alone operation It is possible to test the board with your own LEDs or test the performance without the on board LEDs This can be done by cutting the board First remove all cables and connections from the board and confirm that the circuit is de energized Then cut along the white line labeled Cut here for standalone operation After the PCB is cut into two pieces you can use CONN201 to connect your own application to the output Input output specifications remain the same Important note The same safety precautions as written above apply Connect more LEDs to the output Since this is a constant current output design you can drive one LED or up to six or even more depending on the forward voltage V of the LEDs The maximum output voltage is 17V So if you connect 5 LEDs the V gmax of one LED should not be higher than 3 4V 2 8V for six LEDs To connect a given number of LEDs to the output the board must be operated stand alone 1e physically remove the actual power supply from the on board LEDs by cutting the board see previous paragraph Important note The same safety precautions as written above apply O 2010 Fairchild Semiconductor Corporation Page 42 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchi
22. nto the LED light LEDs are bright enough to damage your eyesight if you look directly into the light DO NOT allow people to touch any part of the board both during operation and when the board is turned off Disconnected boards can only be handled once they have cooled down and also someone has confirmed that all capacitors on the board have been fully discharged Failure to follow these rules could result in electrical shock due to high voltages or burns due to hot parts DO NOT test in proximity to flammable or explosive materials DO NOT operate the board for extended periods at lout 700mA or leave it unattended while operated DO NOT install the board into any product Operation of the board 1 Read the safety precautions above first and follow all instructions thoroughly Make sure that jumper J101 is open i e the two pins are not shorted Make sure that nothing is connected to output terminal CONN201 Connect an isolated variable AC source such as a variac to input terminal CONN101 Slowly increase the AC input voltage from OVAC to at least 85 VAC Do not exceed 265VAC Do not allow people to look directly at the LEDs while doing so 6 Confirm that the LEDs light up however do not allow people to look directly at the LEDs Caution They already light up at approx Vi 48VAC 7 After operation remove the AC input and confirm that the circuit is de energized i a odi Selecting the output current The board is designed
23. or Corporation Page 9 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 3 PCB Layout e Top Side View 4 147 3 mm gt Universal Input 12W LED Ballast Constant Output Current of 700n 35084 Selectable e peeev P IA revenu FM e eege 64 77mm Power Line Output Cut here for standalone operation e Bottom Side View ee mmXZ VAI eq ixuw NB Component D103 is not being assembled O 2010 Fairchild Semiconductor Corporation Page 10 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 4 Evaluation Board Connection CONN201 AY Power Line Output J101 lout DD 350mA Hm 700mA Important note Do not connect anything to CONN201 while operated with the on board LEDs Warning The circuit is line connected and contains high voltages Caution and proper procedures should be observed when using and making measurements on the board O 2010 Fairchild Semiconductor Corporation Page 11 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 3 0 Test Equipment 9 Oscilloscope TEKTRONIX TDS784C 1GHz 4GS s using voltage probes P5100 P6139A and current probe TCP202 Analyzer TEKTRONIX 2712 Multimeter RMS MULTIMETER FLUKE 85 II Electronic Load Pro
24. our customers to do their part in stopping this practice by buying direct or from authonzed distributors 140 2010 Fairchild Semiconductor Corporation Page 46 of 46 Rev 1 0 12 2010
25. th aka SEERE ha wa mi eee people SERE MENO Parad e YA n d 2 x x 3 A 504 V 17 4 V 504 V Ak HE 300v Md 0 ms CHS 44V 3 Mar 2008 MS 00ms Site 3 Mar 2008 16 38 32 Ch4 200mA 16 21 18 Ch Vprain 200V div Cha Iprain 200mA div Ch Vour 5V div time base 4ms div time base 5ms div Vprain max 504V 2010 Fairchild Semiconductor Corporation Page 27 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR 4 10 4 Result for lout maxy Output Tek HO Single pe See ERTEM EE M I 17 7 V 17 7 V id 4V 3 Mar 2008 16 37 25 Ch Vour 5V div time base 4ms div 4 10 5 Result for lout max T Tek J Single Seq 250kS s ial is oo x CR 4V 3 Mar 2008 16 40 25 Ch Vour 5V div time base 4ms div 2010 Fairchild Semiconductor Corporation www fairchildsemi com 700mA Vin 110VRus Drain Voltage and Drain Current Tek AOH Single Ed 1 00MS s aS sn MUN X M5 00ms Cho F 272m 3 Mar 2008 Ch4 200mA 16 18 42 Chi Vprain 100V div Cha Iprain 200mA div time base 5ms div Vprain max 336V 00mA Q Vin 230Vnus Drain Voltage and Drain Current Tek SME Single d 1 00MS s i ea kV 2M 3 Mar 2008 16 22 28 Chi Vprain 200 V div Ch4 Iprain 200mA div time base 5ms div Vprain max 520V Ch4 200mA Page 28 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi
26. to deliver a constant output current of either 350mA or 700mA respectively This is done by opening Lu 350mA or closing shorting Lu 700mA jumper J101 During operation the LEDs get hot and you must not touch them Due to the higher heat dissipation at Lu 700mA it is not recommended to operate the board for an extended time in this mode If desired an isolated heatsink may be applied to the backside of the board directly beneath the LEDs Modification of the Board for other output currents The output current of the circuit is determined by a current sense resistor that is connected from source of Q101 to GND The relationship between the output current I and the sense resistor Rs is expressed as Rs 0 111875 np S lo e e P ow N pri Np is the ratio between the number of primary and secondary windings np In this design Mp is 6 67 0 111875 6 67 For example Rs for an La of 100mA can be calculated as 7 46 From an E96 series pick 7 50 Leave jumper 0 1 J101 open remove R102 and R103 and replace R 102 with a 7 50 resistor Higher accuracy of the calculated resistor value can be O 2010 Fairchild Semiconductor Corporation Page 41 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com achieved by using two resistors in parallel In that case replace R102 and R103 with the two resistors and close short jumper J101 Please note that the whole design and especial
27. unction or design Either the applicable sales contract signed by Fairchild and Buyer or if no contract exists Fairchild s standard Terms and Conditions an the back of Fairchild invoices govem the terms of sale af the products described herein DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY FUNCTION GR DESIGN FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE GF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN HEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS NOR THE RIGHTS GF OTHERS LIFE SUPPORT POLICY FAIRCHILD S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implant inta the body ar b support ar sustain life or c whose failure ta perform when property used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user 2 A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness ANTI COUNTERFEITING POLICY Fairchild Semi
28. v 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 2 Full Load Efficiency vs Input Voltage lout max 350mA 4 2 1 Test Condition and Method The power supply was set up with its output loaded at maximum load The input voltage was swept across the specified range The output load was kept constant The input power was measured and efficiency calculated 4 2 2 Result 79 5 gt 790 o im 78 5 78 0 77 5 77 0 76 5 a a KK 80 110 140 170 200 230 260 Input Voltage V pusl O 2010 Fairchild Semiconductor Corporation Page 15 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 3 Line Regulation loutmaxy 350mA 4 3 1 Test Condition and Method The power supply was set up with its output loaded at maximum load The input voltage was swept across its specified range Output current was measured for each input voltage and was displayed relative to the nominal output current The nominal current in this case is the current measured for the output at Vin 230Vgys 4 3 2 Result The minimum and maximum values in the table below are calculated as deviations from the output voltage as specified in section 1 2 28 314 90 315 20 12 7 101 0 100 0 o 2 90 c S 980 gt Oo C go 96 0 AA em E 80 110 140 170 200 230 260 Input Voltage V pusl O 2010 Fairchild Semiconductor Corporation Page 16 of
29. w fairchildsemi com 4 5 4 Minimum Load Standby Power 082 0 04 1 20 00 S 100 gt L 2 v 080 amp L 0 0 60 040 0 20 0 00 l i i i i 80 110 140 170 200 230 260 Input Voltage Vrms 4 5 5 Output Current at Minimum Load Tour ImA 536 555 566 576 589 599 602 603 606 234 134 O 2010 Fairchild Semiconductor Corporation Page 20 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 6 Full Load Efficiency vs Input Voltage lout max 00mA 4 6 1 Test Condition and Method The power supply was set up with its output loaded at maximum load The input voltage was swept across the specified range The output load was kept constant The input power was measured and efficiency calculated 4 6 2 Result 83 5 e 83 0 o H os 82 0 815 810 80 5 i i i 80 110 140 170 200 230 260 Input Voltage IN pusl O 2010 Fairchild Semiconductor Corporation Page 21 of 46 Rev 1 0 12 2010 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 4 7 Line Regulation lout maxy 00mMA 4 7 1 Test Condition and Method The power supply was set up with its output loaded at maximum load The input voltage was swept across its specified range Output current was measured for each input voltage and was displayed relative to the nominal output current The nominal current in this case is
30. writing and given full and complete authority information and assistance at Fairchild s expense for defense of the suit Fairchild will pay damages and costs therein awarded against Customer but shall not be responsible for any compromise made without its consent In no event shall Fairchild s liability for such damages and costs including legal costs exceed the contractual value of the goods or services that are the subject of the lawsuit In providing such defense or in the event that such product is held to constitute infringement and the use of the product is enjoined Fairchild in its discretion shall procure the right to continue using such product or modify it so that it becomes non infringing or remove it and grant Customer a credit for the depreciated value thereof Fairchild s indemnity does not extend to claims of infringement arising from Fairchild s compliance with Buyer s design specifications and or instructions or use of any product in combination with other products or in connection with a manufacturing or other process The foregoing remedy is exclusive and constitutes Fairchild s sole obligation for any claim of intellectual property infringement All solutions designs schematics drawings boards or other information provided by Fairchild to Customer are confidential and provided for Customer s own use Customer may not share any Fairchild materials with other semiconductor suppliers For Fairchild Semiconductor Limited
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