User Guide for FEBFLS0116_L32U003A
Contents
1. FAIRCHILD ETA ww fairchiidsemi eom SEMICONDUCTOR User Guide for FEBFLS0116 L32U003A 2 W LED Driver at Universal Line Featured Fairchild Product FLS0116 Direct questions or comments about this evaluation board to Worldwide Direct Support Fairchild Semiconductor com 2012 Fairchild Semiconductor Corporation 1 FEBFLSO116 L32U003A Rev 1 0 2 ww fairchildsemi com EE EE FAIRCHILD El SEMICONDUCTORS Table of Contents E oe 0 0164 Kie EO E AMA O 3 IECUR eM mE Tm 3 1 2 Key Features MR eed ee ss ed ee de ed ee Ge 3 1 3 Internal Block Diasram AD ees sesse see ede N ed ee de sakas A 2 Specifications for Evaluation Board 5 3 Photographs ENEE oe ss iaaea de ee N ee ee aan 6 4 Printed Circuit Board BBS aaa as seeaaasa ss ses seessasassse s 7 5 schematig mmm EE ooo de ke ee 8 6 Bill OB ager aC RR eer S 8 7 Penionivaneeioigiy aration Board eem M 9 7 MR Gie IE iorms Startup MA N esse BERE 10 7 2 Operating Frequency amp Minimum Duty 11 RE ie dveforms Steady Stal mm akas A 12 7 4 Typical Operating Waveforms Output Characterstcs aa 13 7 5 Typical Waveforms Abnormal Mode LED Open 14 7 6 Typical Waveforms Abnormal Mode Inductor Shot 15 NS Ii TICIency2. HH Figure2 Top View 20 mm x 30 mm i Eege 3 Bottom View 20 mm x 30 mm Figure A Side View 18 mm 2012 Fairchild Semiconductor Corporation 6 FEBFLS0116 L32U003A Rev 1 0 2 U FAIRCHILD E ww fairchiidsemi eom SEMICONDUCTOR 4 Printed Circuit Board ks CH Connect fuse FAIRCHILD semiconductor FLOLIS Baard 20mmxJOmm 20120113 Figure 5 Top Side Figure 6 Bottom Side 2012 Fairchild Semiconductor Corporation 7 FEBFLSO116 L32U003A Rev 1 0 2 Ai D EE EE FAIRCHILD E ww fairchildsemi eam SEMICONDUCTORS NM 5 Schematic UF4007 Fuse 1A 250V L3 12mH R4 DNP C4 100nF Do Not Populate Figure 7 Evaluation Board Schematic i Bill Of Materials Part Rs 16M Controller len Semiconductor Fairchild LONE Sungho men MN IS A o 8 E OE mm WB UF4007 1 A 1000 V Ultra Fast Recovery s uu memo 2 Emma I o 0 l9 se OS 2012 Fairchild Semiconductor Corporation 8 FEBFLSO116 L32U003A Rev 1 0 2 EEE FAIRCHILD Sal ww fairchilldsemi gom SEMICONDUCTOR T Performance of Evaluation Board Table2 Test Condition amp Equipments Test Temperature AC Source PCRSOOL by Kikusui Power Meter PZ4000 by Yokogawa Oscilloscope Waverunner 64Xi by LeCroy Test Equipment EMI Test Receiver ESCS30 by ROHDE amp SCHWARZ Two Line V Network E
3. RERO eene PS 16 7 8 Power Factor PF at Rated Load Condition eese eene 17 Oo IN rmonic Distortion T Huby III eessen mu l V SIE petabne Temperature SEER osse sees PS 19 VIBE IG ie imagnetic Interference EMM N sesse sesse ennen RR T 21 ey REV SLON ELS OAAR GE ee seen 23 2012 Fairchild Semiconductor Corporation 2 FEBFLS0116 L32U003A Rev 1 0 2 Ee FAIRCHILD El SEMICONDUCTORS ww fairchildsemi om This user guide supports the evaluation kit for the FLSO116 It should be used in conjunction with the FLSO116 datasheet as well as Fairchild s application notes and technical support team Please visit Fairchild s website at www fairchildsemi com 1 Introduction This document describes the proposed solution for an universal input 2 7 W LED ballast using the FLS0116 The input voltage range is 90 Vrms 265 Vrms and there is one DC output with a constant current of 97 mA at 28 Vmax This document contains general description of FLS0116 the power supply specification schematic bill of materials and the typical operating characteristics 1 1 General Description The FLSO116 LED lamp driver is a simple IC with PFC function and integrated switching MOSFET The special adopted digital technique automatically detects input voltage condition and sends an internal reference signal resulting in high power factor PF When AC input voltage is applied to the IC PFC function is aut
4. Input Voltage Figure 28 Power Factor Table 5 Power Factor Test Results 90 Vac 110 Vac 180 Vac 265 Vac 2012 Fairchild Semiconductor Corporation 17 FEBFLSO116 L32U003A Rev 1 0 2 REES FAIRCHILD RE EE EE SEMICONDUCTORS 7 9 ww fairchildsemi com Total Harmonic Distortion THD Figure 29 shows the Total Harmonic Distortion THD performance at different input frequencies Test results are quite similar except the 90 V4c condition but meet international regulations under 30 D 47Hz H THD 64Hz 110VAC 180VAC 220VAC ZB55VAC Input Voltage Figure 29 Total Harmonic Distortion Performance Table 6 Total Harmonic Distortion Test Results 220 Vac mis ons 2012 Fairchild Semiconductor Corporation 18 FEBFLS0116 L32U003A Rev 1 0 2 U FAIRCHILD BEE SEMICONDUCTORS 7 10 Operating Temperature Figure 30 through Figure 37 show the steady state thermal test results with different input voltage conditions Inductor L3 has the highest temperature on the top side of the PCB due to copper resistance The FLSO116 has the highest temperature on the bottom side of the PCB due to power loss associated with the high voltage device The IC temperature is 67 1 C for the 220 Vac input condition FLIR Dist 0 5 Trefl 20 0 0 96 Figure 30 Bottom Side Temperature at 90 Vac Condition IC CS Re 46 6 C FLIR Dist 0 5 Trefl 20 0 0 96 Figure
5. 220 Vac 67 1 C 62 4 C 265 Vac 72 8 C 65 4 C 2012 Fairchild Semiconductor Corporation 20 FEBFLSO116 L32U003A Rev 1 0 2 SSS FAIRCHILD SEES SEMICONDUCTORS ww faircililids mi om 7 11 Electromagnetic Interference EMI EMI test measurements were conducted in observance of CISPR22 criteria which has stricter limits than CISPR15 for lighting applications en EN 55022 Voltage on Mains OP EM 027 Voltage on Mains A Level in dB l TT M a g i Vi T H i lu AN MT in o L L a al J 30 20 150k 300 400 500 800 1M 2M 3M 4M 5M 6 8 10M 20M 30M Frequency in Ha Figure 38 Conducted Emission Line at 110 Vac Input Condition Full Load 10 LED Series 80 EN 5527 Voltage on Mains OP 60 Level in dB l 1 i 150k 300 400500 800 1M 2M 3M 4M 5M 6 8 10M 20M 30M Frequency in Hz Figure 39 Conducted Emission Line at 220 Vac Input Condition Full Load 10 LED Series 2012 Fairchild Semiconductor Corporation 21 FEBFLSO116 L32U003A Rev 1 0 2 EE FAIRCHILD BEES SEMICONDUCTORS ww faircililids mi om 80 70 60 Lx J 3 EN 55022 voltage on Mains OP EN 55022 Voltage on Mains AV 50 40 Level in dB J 30 20 Wi il n Mi A m d OK PT VAM 10 0 150k 300 400 500 800 1M 2M SM 4M GM 6 8 10M 20M 30M Frequency in Hz Figure 40 Conducted Emission Line at 110 Vac Input Condition Full Load 1
6. 32 Bottom Side Temperature at 110 Vac Condition IC 2012 Fairchild Semiconductor Corporation Inductor TEMP 3 566C Dist 0 5 Trefl 20 0 0 96 Figure 31 Top Side Temperature at 90 Vac Condition Inductor Spot 42 9 C Box Diode D1 TEMP Max 58 2 z 42 9 je Circle 7 Max 41 6 m Filter L2 TEMP 41 6C Inductor TEMP 58 2 C Dist 0 5 Trefl 20 0 0 96 Figure 33 Top Side Temperature at 110 Vac Condition Inductor 19 FEBFLSO116 L32U003A Rev 1 0 2 RE FAIRCHILD El SEMICONDUCTORS BOX C Max 67 1 CS Resistor R3 TEMP Circle 56 0 C Spot 45 6 f Box 0 Max 62 4 Circle Max 42 5 Max 56 0 Filter L2 TEMP 42 5C Inductor TEMP 62 4 C FLIR Dist 0 5 Trefl 20 0 0 96 FLIR Dist 0 5 Trefl 20 0 0 96 Figure 34 Bottom Side Temperature at 220 Vac Figure 35 Top Side Temperature at 220 Vac Condition Condition IC Inductor Box 1 Spot 46 8 f Max 72 8 CS Resistor R3 TEMP Box de Y Diode D1 TEMP ircie S o Max 63 a Max 58 8 58 8 C Circle 46 8 C Max 43 5 ic TEMP Filter L2 TEMP 72 8 C D Inductor TEMP FLIR 65 4 C Dist 0 5 Trefl 20 0 0 96 FLIR Dist 0 5 Trefl 20 0 0 96 Figure 36 Bottom Side Temperature at 264 Vac Figure 37 Top Side Temperature at 264 Vac Condition Condition IC Inductor Table 7 Temperature Performance by Input Voltage 110 Vac 53 7 C 58 2 C
7. 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 our customers to do their part in stopping this practice by buying direct or from authorized distributors EXPORT COMPLIANCE STATEMENT These commodities technology or software were exported from the United States in accordance with the Export Administration Regulations for the ultimate destination listed on the commercial invoice Diversion contrary to U S law is prohibited U S origin products and products made with U S origin technology are subject to U S Re export laws In the event of re export the user will be responsible to ensure the appropriate U S export regulations are followed 2012 Fairchild Semiconductor Corporation 23 FEBFLSO116 L32U003A Rev 1 0 2
8. mA 180 Vac 28 40 V 97 19 mA 28 37 V 97 11 mA 220 Vac 28 41 V 97 60 mA 28 41 V 97 56 mA 2012 Fairchild Semiconductor Corporation 12 FEBFLSO116 L32U003A Rev 1 0 2 EE FAIRCHILD SS ww fairchilidsigmi gam SEMICONDUCTORS 7 4 Typical Operating Waveforms Output Characteristics die AAA DUDU TAN r IO FARA nn An TANE wu tt INN Wann I i a dm CS CE LeCroy E TY EF CH1 Vcc CH2 Vprain CH3 Vi gp CH4 ILED CH1 Vcc CH2 Voran CH3 Vuen CH4 li gp Figure 17 Input Voltage 180 Vac 47 Hz Figure 18 Input Voltage 180 Vac 64 Hz LAANEM A U N W W A KAN ill Why KN EE nn ug Mu dt V TE TT i TIME i BR ya TT CE EM EET 2012 02 D6 ZR kivi LeCroy CH1 Vcc CH2 VpRAIN CH3 Vuen CH4 len CH1 Vcc CH2 VpRAIN CH3 Vuen CH4 hen Figure 19 Input Voltage 220 Vac 47 Hz Figure 20 Input Voltage 220 Vac 64 Hz 2012 02 D6 ZM 4c ERNA ATI TIERE RERO Wim CHI Vcc CH2 Vprain CH3 Vuen CH4 deer eu Vcc CH2 Vprain CH3 Vuen CH4 g s Figure 21 Input Voltage 265 Vac 47 Hz Figure 22 Input Voltage 265 Vac 64 Hz 2012 Fairchild Semiconductor Corporation 13 FEBFLSO116 L32U003A Rev 1 0 2 EEE FAIRCHILD El SEMICONDUCTORS ww fairchildsemi com 7 5 Typical Waveforms Abnormal Mode LED Open Figure 23 and Figure 24 show the open load condition test method and result When the LED disconnects from the system the
9. 0 LED Series 80 70 en L I1 gj EN 55022 voltage on Mains OP EN 55022 Voltage on Mains Av 50 e D W ll VAL il Mi M Wi dad yf 40 Level in dB 30 20 150k 300 400 500 800 1M 2M 3M 4M 5M 6 8 10M 20M 30M Frequency in Hz Figure 41 Conducted Emission Neutral at 220 Vac Input Condition Full Load 10 LED Series 2012 Fairchild Semiconductor Corporation 22 FEBFLSO116 L32U003A Rev 1 0 2 FAIRCHILD BEE SEMICONDUCTOR SA ww fairchildsemi com 8 Revision History mm pm Denon May 2012 First Release June 2012 Changing Power Rating amp Template 4 0 2 Oct 2012 Modified edited formatted document Changed User Guide number from FEB 9 l L032 to FEBFLS0116 L32U003A WARNING AND DISCLAIMER Replace components on the Evaluation Board only with those parts shown on the parts list or Bill of Materials in the Users Guide Contact an authorized Fairchild representative with any questions This board is intended to be used by certified professionals in a lab environment following proper safety procedures Use at your own risk 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 warrantees that its products meet Fairchild s published specifications but does
10. 9816V 14020mV 4452781kHz 90 89 wi vA 10 0 usidivi Sto X1 25 3862us X 2 1360 us X2 23 2502 us 1 AX 468 16 kHz LeCroy 2012 02 06 2 4 24 05 CH1 Vcc CH2 Vprain CH3 VLE CH4 li gp Figure 12 Operating Frequency amp Minimum Duty Ratio 2012 Fairchild Semiconductor Corporation 11 FEBFLS0116 L32U003A Rev 1 0 2 ww fairchildsemi com EE EE FAIRCHILD i SS SEMICONDUCTORS 7 3 Typical Waveforms Steady State Figure 13 through Figure 22 show the normal operation waveform by input voltage and input frequency The output voltage and current maintains a certain output level with 120 Hz ripple as shown in the test results in Table 3 VV P i ad BENI mmm UN GUNT i ill M ll WM um H ma l la tS po Gre l u r us Ais T ip Ga Dt ke V kkiz R is u te GP ke 2012 02 06 Z3 4 1358 CH1 Vcc CH2 VpRAIN CH3 Vuen CH4 len CH1 Vcc CH2 VpRAIN CH3 Vuen CH4 hen Figure 13 Input Voltage 90 Vac 47 Hz Figure 14 Input Voltage 90 Vac 64 Hz 2012 02 D6 ZR 4c 14 30 i i WAN We ANM D n d VW ls OE OO mm a ii M um i T li HU LEM D TR CH1 Vcc CH2 Vprain CH3 Vi gp CH4 Je CH1 Vcc er CH3 Vien CH4 hen Figure 15 Input Voltage 110 Vac 47 Hz Figure 16 Input Voltage 110 Vac 64 Hz Table 3 Output Characteristics by Input Voltage and Freguency WEE Geo Er 28 01 V 95 77 mA 28 02 V 95 82 mA 110 Vac 28 17 V 96 54 mA 28 17 V 96 61
11. IC cannot operate because the HV pin is disconnected D1 UF4007 LED Series 10 LEDs L3 12mH C1 33nF 630V C2 C4 100nF Do Not Populate mb e e ee ee eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee ee wemeeemeeeeeeegeeeeeee D en e ee ee ee ee e Figure 23 Open Load Condition Test File Vertical Timebase Trigger Display Cursors Measure Math Analysis Uilities Help ci j op i Measure F1rms C2 F rmsi C3 Farmsi C4 P4 freq C 1 P5 duty C 1 F PT P8 value 150 4 V B4 4 mV was aan status ag A n X1 0 0 us CH1 Vcc CH2 VDRAIN CH3 Vuen CH4 hen Figure 24 Test Results of Open Load Condition 2012 Fairchild Semiconductor Corporation 14 FEBFLSO116 L32U003A Rev 1 0 2 EEE FAIRCHILD Saal SEMICONDUCTOR ww fairclilids mi om 7 6 Typical Waveforms Abnormal Mode Inductor Short Figure 25 and Figure 26 show the test method and result of an inductor short The FLS0116 uses an abnormal over current protection AOCP function limiting the current on RCS in the event of an inductor short L2 aa DT UF4007 Series 10 LEDs Fuse 1A 250V C1 33nF 630V Short C2 C4 100nF Do Not Populate Figure 25 Inductor Short Condition File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help When CS pin voltage reaches 2 5 V AOCP is enabled aft
12. NV216 by ROHDE amp SCHWARZ Thermometer CAM SC640 by FLIR SYSTEMS LED EHP AXOSEL GTO1H PO03 3 W by Everlight 2012 Fairchild Semiconductor Corporation 9 FEBFLS0116 L32U003A Rev 1 0 2 E FAIRCHILD BEE SEMICONDUCTOR 7 1 ww fairchildsemi com Typical Waveforms Startup Figure amp through Figure 11 show the typical startup performance at different input voltage conditions When AC input voltage is applied to the system the FLS0116 automatically operates in AC Mode after finishing an internally fixed seven cycle soft start period Figure 10 and Figure 11 show the soft start characteristics when a DC input voltage is applied A haa duie Firmati FZmacn Pia Pina P mand Pine pis Pl value 12283 V 15 158 V tl tus CH1 Vcc CH2 Vprain CH3 VLE CH4 li gp Figure 8 Soft Start AC Mode 90 Vac D Measure Pim P imhHCil Firmato P rnaanica P mand P PT PE value 14 T 15 m P ae 178 8 tv lates ENK 150 Vidi 100 m idis vg OAV Tul Ju OO mv T gr Edge Ponte EET CH1 Vcc CH2 Voran CH3 Vigp CH4 li gp Figure 9 Soft Start AC Mode 265 Vac Pisa P maan PA mar Pie pr 19 wie 128 7 my This is i m job Hl Lil i Mer DS V NT N N IE Fee Haas iet Tagger CH1 Vcc CH2 Vprain CH3 Vigp CH4 li gp Figure 10 Soft Start DC Mode 100 Voc Maasure Parent Praia wale LE gig 26 se je tl tus een TE Vidi 100 mdi DA WV otter Ju 00 m ik ma Es f anama w r
13. er 70 ns internal dely time Measure P1rms C 1 P2Tms C3 Firms C4 P4freg C2 P5 duty C2 F PT F8 value 106 my 25 919 V 73 22 mV 120 1 Hz 59 40 EE 50 MSis Edge Al TT EE TN GET ENT DOE ED ON TE 2012 01 30 x 5 15 44 CH1 Ves CH2 VpRAIN CH3 Vuen CH4 hen Figure 26 Test Results of Inductor Short Condition 2012 Fairchild Semiconductor Corporation 15 FEBFLS0116 L32U003A Rev 1 0 2 REES FAIRCHILD eet itii Da d SEMICONDUCTOR 7 7 System Efficiency Figure 27 shows system efficiency results for different AC input voltage frequency conditions As shown the input frequency has negligible effect on system efficiency Efficiency Fificiency_47Hz ie Efficiency 64Hz SOVAC 110VAC 180VAC 220VAC ZB55VAC Input Voltage Figure 27 System Efficiency Table4 Efficiency Test Results Input Voltage Efficiency 96 90 Vac 110 Vac 180 Vac 220 Vac 265 Vac 2012 Fairchild Semiconductor Corporation 16 FEBFLSO116 L32U003A Rev 1 0 2 EEE FAIRCHILD Sal SEMICONDUCTORS ww faircllids mi oOm 7 8 Power Factor PF at Rated Load Condition Figure 28 shows the system Power Factor PF performance for the entire input voltage range 90 Vac to 265 Vac at different input frequency conditions 47 Hz 64 Hz The PF changes slightly according to the input frequency but can achieve over 0 85 at 265 Vac condition 110VAC 180VAC 220VAC Z 65VAC
14. g FUN EA le allow Au Camnb cgug 2012 Fairchild Semiconductor Corporation Pers Pd rag geil PA manas Pires wie 128 3 mY LUDERE S dul EP LL CU Wang tor Trigger A Measure PARA PAC beer 14 ay 15 1 my Faerie bg 100 mS des 0 0 V OU E D I EN d EE ame weii Truncale bo Aer Auf PRIMER ING CH1 Vcc CH2 Vprain CH3 Vigp CH4 Je Figure 11 Soft Start DC Mode 200 Vpc FEBFLSO116 L32U003A Rev 1 0 2 EEE FAIRCHILD El SEMICONDUCTORS ww fairchildsemi cAm 7 2 Operating Frequency amp Minimum Duty The programmable switching frequency is between 20 kHz 250 kHz determined by selecting the RT resistor value If no RT resistor is used RT pin OPEN the FLS0116 default switching frequency is set to 45 kHz The maximum duty ratio is fixed below 50 and has a fixed minimum typical on time of 400 ns There are two crucial points to design properly The first is consideration of the minimum duty ratio at minimum input voltage because the FLSO116 is limited to 50 duty ratio The second consideration is minimum on time at maximum input voltage condition The FLS0116 cannot control output power when the operating conditions are such that the required on time is less than the 400 ns minimum on time Math Analysis Utilities Help Minimum On Time 2 13 us Switching Frequency 44 52 kHz Ie i i j Measure P1rms C 1 P2 rms C3 P3 rms C4 P4freg C2 P5 duty C2 P6 TE P8 value 15 202 V 2
15. not guarantee that its products work in any specific application Fairchild reserves the right to make changes without notice to any products described herein to improve reliability function or design Either the applicable sales contract signed by Fairchild and Buyer or if no contract exists Fairchild s standard Terms and Conditions on the back of Fairchild invoices govern the terms of sale of the products described herein DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY FUNCTION OR DESIGN FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS NOR THE RIGHTS OF 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 2 A critical component is any component of a life support device or are intended for surgical implant into the body or b support or system whose failure to perform can be reasonably expected to sustain life or c whose failure to perform when properly used in cause the failure of the life support device or system or to affect its accordance with instructio
16. ns for use provided in the labeling can be safety or effectiveness reasonably expected to result in significant injury to the user ANTI COUNTERFEITING POLICY Fairchild Semiconductor Corporation s Anti Counterfeiting Policy Fairchild s Anti Counterfeiting Policy is also stated on our external website www fairchildsemi com 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 inadvertently 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 counterfeit parts Fairchild strongly encourages customers to purchase Fairchild parts either directly from Fairchild or from Authorized Fairchild Distributors who are listed by country on our web page cited above Products customers buy either from Fairchild directly or from Authorized Fairchild Distributors are genuine parts have full traceability meet Fairchild 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 our Authorized Distributors will stand behind all warranties and will appropriately address any warranty issues that may
17. oating Analog Dimming Connects to the internal current source and can change the 5 ADIM output current using an external resistor If ADIM is not used connect a 0 1 uF bypass capacitor between ADIM and GND BCEE High Voltage Connects to the high voltage line and supplies current to the IC 8 DRAN High Voltage Internal switching FET drain pin 2012 Fairchild Semiconductor Corporation 4 FEBFLSO116 L32U003A Rev 1 0 2 Ee FAIRCHILD E ww fairchiidsemi eom SEMICONDUCTORS 2 Specifications for Evaluation Board All data for this table was measured at an ambient temperature of 25 C Table 1 Summary of Features and Performance AC Input Frequency Output Current Line Input Voltage Change S CC Deviation lt 11 3 90 265 Vac Ta Lae 279 pose aa Temperature MM 20 mm width x 30 mm length x POB Ee 18 mm height Initial Application LED Bulb Notes 1 The output current has ILeppx ripple To reduce ripple current use a large electrolytic capacitor in parallel with the LED Ensure the capacitor voltage rating is high enough to withstand an open LED condition or use a Zener diode for protection 2 he output power is not equal to the apparent power due to the slight phase shift between the output voltage and current 2012 Fairchild Semiconductor Corporation 5 FEBFLSO116 L32U003A Rev 1 0 2 EE FAIRCHILD BEES SEMICONDUCTORS ww faircililids mi om 3 Photographs EA
18. omatically enabled When DC input voltage is applied to the IC PFC function is automatically disabled The FLS0116 does not require a bulk capacitor electrolytic capacitor for supply rail stability which can significantly improve LED reliability 1 2 Key Features Built in MOSFET 1 A 550 V Digitally Implemented Active PFC Function No Additional Circuit Necessary for High PF Built in HV Supplying Circuit Self Biasing AOCP Function with Auto Restart Mode Built in Over Temperature Protection OTP m Cycle by Cycle Current Limit Low Operating Current 0 85 mA Typical Under Voltage Lockout with 5 V Hysteresis Programmable Oscillation Frequency Programmable LED Current Analog Dimming Function Soft Start Function Precise Internal Reference 43 2012 Fairchild Semiconductor Corporation 3 FEBFLSO116 L32U003A Rev 1 0 2 Ee FAIRCHILD E ww fairchiidsemi eom SEMICONDUCTORS OG 1 3 Internal Block Diagram GND 3 SE Figure 1 Internal Block Diagram PinNo Symbol Description 4 CS Current Sense Limits output current depending on the sensing resistor voltage The CS pin is also used to set the LED current regulation VCC Supply pin for stable IC operation ZCD signal detection used for accurate 2 VCC PFC function GROUND Ground for the IC 4 RT RT Programmable operating freguency using an external resistor The IC has a fixed freguency when this pin is open or fl
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