FEB212-003 — User Guide FSFR2100 / Evaluation Board
Contents
1. in Vin7340 390V 5o R101 0 222 Vv Figure 1 FSFR2100 Evaluation Board LCC Resonant Converter Il 56 7 9 8 10 2 34 R SG LVcc Vcr CON cs PG HVcc Figure 2 FSFR2100 Package Diagram 9 SIP 2007 Fairchild Semiconductor Corporation 4 FEB212 003 FSFR2100 Rev 0 0 3 aaa FAIRCHILD SEMICONDUCTOR www fairchildsemi com 1 4 Bill of Materials Item Number Part Reference Value Note Digi Key Manufacturer 220uFI450Vac Electrolyte Samyoung Electronics 2 foo znHexv Fim Samwha Electronics 3 cts i0pr Cerame SamuhaElectroncs 4 ci oe o KOO ng O3SFSV Eecmoyic SamyoungElecroncs 5 ets 150 im fsamwhatledtones 7 eror piore Elecmoye I5amyoung Electronics 8 cos vnr rim fsamwhatledtones 9 feo zarisv Eero fSamyoung Electronics 10 C110 C111 s30nFI278 Ve Interference Suppression Fim PikorBlecironics nm fena feo Cerme I5amuhaElctoncs 12 C201C202 z20 F5V Electoyte fSamyoung Electronics s feas ame im SamwhaElectoncs Ha fea tan Fim Samwha Elections AC ceramic Sema Electronics va 18 frtos s Lo Lo TAW TAW 3 ES CS S VAN 4 emot 509 Lo s ro mm 39 Bbi0i REV60 Brage Dos Fairchild Semiconductor a9 asaw pp 2007 Fairchild Semiconductor Corporation 5 FEB212 003 FSFR2100 Rev 0 0 32. Figure 13 Operation Waveforms at Minimum Input Voltage Vin 340Vpc Po 192W 24V 8A C1 Rectifier Diode D211 Current 10A div C4 Rectifier Diode D212 Current 10A div C3 Rectifier Diode Voltage 50V div Time 5us div 2007 Fairchild Semiconductor Corporation 11 FEB212 003 FSFR2100 Rev 0 0 3 EINER FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 3 On Off Waveforms Figures 14 and 15 show the soft start waveforms at full load and no load conditions respectively for nominal input voltage condition For these waveforms the input DC bus is applied first then Vcc for FSFR2100 is supplied 20 0 Vidiv 2 00 A div 10 0 ms divf Stop 40 60 V ofst 60 mA offset 1 00MS 10 MSs Figure 14 Start up Waveforms at Nominal Input Voltage Vin 390Vpc Po 192W 24V 8A C1 Output Voltage 20V div C4 Transformer Primary Side Current 2A div C3 Low Side MOSFET Vps 500V div Time 10ms div 20 0 Vidiv 2 00 Adiy 40 60 Y ofst 60 mA offset Figure 15 Start up Waveforms at Nominal Input Voltage Vin 390Vpc Po 0W 24V 0A C1 Output Voltage 20V div C4 Transformer Primary Side Current 2A div C3 Low Side MOSFET Vos 500V div Time 10ms div O 2007 Fairchild Semiconductor Corporation 12 FEB212 003 FSFR2100 Rev 0 0 3 RER FAIRCHILD SEMICONDUCTOR www fairchildsemi com Figure 16 shows start up waveforms when Vcc of 18V is supplied first then the input voltage source is appled W
3. RS FAIRCHILD SEMICONDUCTOR www fairchildsemi com 1 5 Transformer Specification EER3542 15mm 8mm Figure3 Transformer Specifications 1 5 1 Winding Specification men we rums Winding Method 1 5 2 Core amp Bobbin Core EER3542 Ae 107mm Bobbin EER3542 Horizontal 1 5 3 Electrical Specifications o Pin Specification Remark gt Primary Side Inductance Lp 630uH 5 100kHz 1V Primary Side Effective Leakage Lr 135uH Maximum Short one of the secondary windings O 2007 Fairchild Semiconductor Corporation 6 FEB212 003 FSFR2100 Rev 0 0 3 Err FAIRCHILD SEMICONDUCTOR www fairchildsemi com 1 6 FSFR2100 LLC Printed Circuit Board TT A203 mb ui N N Na e e on pe 8 iL aco oe B e c FSF2100 2007 11 13 m wp Awd d Figure 4 Top PCB Image of the Evaluation Board AS rFsF2100 2007 11 23 Figure 5 Bottom PCB Image of the Evaluation Board 2007 Fairchild Semiconductor Corporation 7 FEB212 003 FSFR2100 Rev 0 0 3 Err FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 Test Results 2 1 Primary Side MOSFET Voltage and Current Waveforms C3 imebase 0 0 ps Trigger ER 5 00 ps divf Auto 238 v DENS 540 mA ofst 4 060 A ofst 250kS 5 0 GS sfEdge Positive Figure 6 Operation Waveforms at Nominal Input Voltage Vin 390Vpc Po 192W 24V 8A C4 Tran
4. 100 is an integrated Pulse Frequency Modulation PFM controller and MOSFETs especially designed for Zero Voltage Switching ZVS resonant half bridge converter topologies Variable frequency control with 50 duty cycle for half bridge resonant converter topology High efficiency through zero voltage switching ZVS Internal SuperFETs with fast recovery type body diode t 120ns Fixed dead time 350ns Up to 300kHz operating frequency Pulse skipping for frequency limit programmable at light load condition Simple remote ON OFF control Various protection functions Over Voltage Protection OVP Overload Protection OLP Over Current Protection OCP Abnormal Over Current Protection AOCP Internal Thermal Shutdown TSD 1 2 Power Supply Specifications 20ms hold up time for Vn 390V pc Rated Output Output Voltage Application FPS Device Input Voltage Range Rated Current Vin nominal 390Vpc LCD TV FSFR2100 340 400Voc iow M Vcc supply 18Vpc echo im Typ Max uns UU ouputvotage vo a output Curent o 5 d low Rated Output Power Po 2007 Fairchild Semiconductor Corporation 3 FEB212 003 FSFR2100 Rev 0 0 3 FAIRCHILD SEMICONDUCTOR www fairchildsemi com 1 3 Board Schematic C102 Brownout circuit 22yF 630V oM C UU TI D211 EER3542 FYP2010DN baki R113 400k C111 330n R104 5 1k D212 FYP2010DN C203 R203 47nF 33k
5. AIMER 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 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 orimplied as to the applications or products involved Fairchild warrantees that its products meet Fairchild s published specifications but does not guarantee that its products work in any specific application Fairchild reserves the nght 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 govem 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 WITHOU
6. ONDUCTOR www fairchildsemi com 2 2 Secondary Side Rectifier Diodes Voltage and Current Waveforms e M imebase 0 0 us Trigger 2 00 Adiy 50 0 Wdiv 5 00 ps divf Auto 4 040 A ofst 149 5 V ofst 250 kS 5 0 GS s Edge iti Figure 10 Operation Waveforms at Nominal Input Voltage Vin 390Vpc Po 192W 24V 8A C1 Transformer Primary Side Current 2A div C4 Rectifier Diode D211 Current 10A div C2 Rectifier Diode D211 Voltage 50V div Time 5us div imebase 0 0 us Trigger 2 00 Adiy 50 0 Wdiv 5 00 ps divf Auto 4 040 A ofst 149 5 V ofst 250 kS 5 0 GS s Edge iti Figure 11 Operation Waveforms at Minimum Input Voltage Vin 340Vpc Po 192W 24V 8A C1 Transformer Primary Side Current 2A div C4 Rectifier D211 Diode Current 10A div C2 Rectifier Diode D211 Voltage 50V div Time 5us div 2007 Fairchild Semiconductor Corporation 10 FEB212 003 FSFR2100 Rev 0 0 3 NENNEN eR FAIRCHILD SEMICONDUCTOR www fairchildsemi com imebase 5 3 ug Trigger 10 0 A div 10 0 A div 5 00 ps divf Auto 19 10 A ofst 200 mA ofst 250K5 5 0 GS sfEdge iti Figure 12 Operation Waveforms at Nominal Input Voltage Vin 390Vpc Po 192W 24V 8A C1 Rectifier Diode D211 Current 10A div C4 Rectifier Diode D212 Current 10A div C3 Rectifier Diode Voltage 50V div Time 5us div a imebase 5 3 ysl Trigger 10 0 Adiv 10 0 Afdiv 5 00 us divf Auto j 19 10 A ofst 200 mA ofst 250kS 5 0 GSisJ Edge iti
7. RS FAIRCHILD SEMICONDUCTOR www fairchildsemi com FEB212 003 User Guide FSFR2100 Evaluation Board Test Report Application for LCD TV Power Supply Featured Fairchild Products FSFR2100 http www fairchildsemi com evalboard 2007 Fairchild Semiconductor Corporation FEB212 003 FSFR2100 Rev 0 0 3 Err FAIRCHILD SEMICONDUCTOR www fairchildsemi com Table of Contents 1 Featured Fairchild Products iisciesotecusacsrssvenssctabensaedenadeatscnsbeveteauseaseshevawlensieartesetesutentaenbeessess 3 ES ER ee 3 1 2 Power Supply Specification Table 3 1 3 Board Schematic GRR ANA 4 1 4 Bill of Materials ER cccceeessseececcscccsssessesseccsecssesessseseccsencteeeasees 1 5 Transformer Specification Aa 6 1 6 FSFR2100 LLC Printed Circuit Board eee 7 2 Test Results RE AA ANAN 8 2 1 Primary Side MOSFET Voltage and Current Waveforms esses 8 2 2 Secondary Side Rectifier Diodes Voltage and Current Waveforms 10 2 3 OOo WA osos SR 12 2 4 AES EOM IAE Ripple NM E RR S 14 25 EET IMlime Test SER SG bh 15 POSE don Operation Wavt am ER SE 16 2T BEICIO SR 0000 enne EODD D D 17 2007 Fairchild Semiconductor Corporation 2 FEB212 003 FSFR2100 Rev 0 0 3 Err FAIRCHILD SEMICONDUCTOR www fairchildsemi com 1 Featured Fairchild Products 1 1 FSFR2100 FSFR2
8. S YA AYA imebase 0 0 us Trigger 5 00 ps divf Auto 250kS 5 0 GS sfEdge iti Figure 18 Output Voltage Ripple at Nominal Input Voltage Vin 390Vpc Po 192W 24V 8A C2 Output Voltage 500mV div C4 Transformer Primary Side Current 2A div Time 20ms div imebase 0 00 ms Trigger 5 00 A div 2 00 A div 1 00 ms divf Auto 2 35A 10 10 A ofst 140 mA ofst 1 00MS 100MS sfEdge Positive Figure 19 Output Voltage Ripple with Pulse Load Current at Nominal Input Voltage Vin 390Vpc lo 0A gt 8A Slew Rate 50mA us Duty Cycle 50 Frequency 180Hz C1 Output Current 5AV div C4 Transformer Primary Side Current 2A div C2 Output Voltage Ripple Time 20ms div O 2007 Fairchild Semiconductor Corporation 14 FEB212 003 FSFR2100 Rev 0 0 3 aaa FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 5 Hold Up Time Test To see the hold up time the input DC bus is disconnected while the converter operates in full load condition Observe that the output voltage is maintained for 34ms when the input DC bus is disconnected Vin Vo E 3 34ms imebase 29 6 ms Trigger MD 10 0 ms divf Stop 19 9 v 1 00MS 10MS sfEdge Negative 10 0 Vidiv 2 00 Afdiv 10 10 Y ofst 4 000 A ofst Output Voltage Waveform after Turning Off Input Voltage Vin 390Vpc Po 192W 24V 8A C3 Input Voltage 100V div C1 Output Voltage 10V div C4 Transformer Primary Side Current 2A div Time 10m
9. T 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 im plant into the body or b support or sustain life or c whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user 2 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 Semiconductor Corporation s Ant Counterfeiting Policy Fairchild s Anti Counterfeiting Policy is also stated on our extemal website www fairchildsemi com under Sales Support Counterfeiting of semiconductor parts is a growing problem in the industry All manufacturers of semiconductor products are expenencing 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 manufactunng 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 dir
10. ectly 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 Authonzed 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 arise Fairchild will not provide any warranty coverage or other assistance for parts bought from Unauthonzed 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 135 2007 Fairchild Semiconductor Corporation 18 FEB212 003 FSFR2100 Rev 0 0 3
11. hen the DC bus voltage reaches 330V the external brownout circuit connects Vcc supply voltage to FSFR2100 so it starts up Figure 17 shows shutdown waveforms when the input voltage source is turned off When the DC bus voltage reaches 260V the external brownout circuit disconnects Vcc from FSFR2100 so it stops operation rigger 100 Vidiv 5 00 ms divf Stop 0 0 V offset 4 1 00MS 20 MS s Edge Figure 16 Power on Waveforms at Nominal Input Voltage Vin 390Vpc Po 192W 24V 8A C1 Output Voltage 20V div C4 Transformer Primary Side Current 2A div C3 Low Side MOSFET Vos 500V div Time 5ms div 1818 rigger 20 0 ms divf Stop 14 6 V 100MS 5 0MS sfEdge Negative 100 Vidi 0 0 offset Figure 17 Power Off Waveforms at Nominal Input Voltage Vin 390Vpc Po 192W 24V 8A C3 Input Voltage 100V div C2 Vcc Supply Voltage 10V div C4 Transformer Primary Side Current 2A div Time 20ms div 2007 Fairchild Semiconductor Corporation 13 FEB212 003 FSFR2100 Rev 0 0 3 Err FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 4 Output Voltage Ripple Figure 18 shows the output voltage ripple at nominal input voltage and full load condition The peak to peak ripple voltage is 0 5V about 2 of the output voltage Figure 19 shows the output voltage ripple with pulse load at nominal input voltage The peak to peak ripple voltage is 0 8V about 3 of the output voltage le YY YS YOYOY YO YS Y
12. o W Figure 23 Measured Efficiency O 2007 Fairchild Semiconductor Corporation 17 FEB212 003 FSFR2100 Rev 0 0 3 FAIRCHILD Hs ENE SEMICONDUCTOR FAIRCHILD HE SEMICONDUCTOR TRADEMARKS www fairchildsemi com 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 Build it N owT FPS PDP SPM The Power Franchise CorePLUS F PFSTA Power SPMTM the CorePOWER FRFET PowerTrench p Wer CROSS VOL TT Global Power Resource Programmable Active Droop Ti de tru CTL Green FPS QFET TinyBuckra Current Transfer Logic Green FPS e Series Qs TinyLogic EcoSPARK GTO Quiet Series TINYOPTO EfficentMax Intel li AX T RapidConfigure TinvPow err EZOWITUH ISOPLANART Saving our word 1mW at a time pl ET ee bee Tin Wire MICROCOUPLER SMART START sue T MicroFE T7 SPM FB MicroP akt STEALTH TM Fairchild MillerDrive SuperFE TT 2 es Fairchild Semiconductor MotionMax 7 SuperSOT 3 UHC FACT Quiet series Motion SPMTM SuperSO T B Ultra FRFE TT Had OPTOLOGIC SuperSO T 8 UniFE TT ies OPTOPLANAR SupreMOS 7 VOX FastvCore SyncFET VisualMax FlashW riter SYSTEM amp GENERAL EZSWITCH and FlashWriter are trademarks of System General Corporation used under license by Fairchild Semiconductor WARNING AND DISCL
13. s div Figure 20 O 2007 Fairchild Semiconductor Corporation 15 FEB212 003 FSFR2100 Rev 0 0 3 CRE FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 6 Protection Operation Waveforms Figure 21 shows the overload protection OLP waveforms The output current increases from 8A to 16A When the transformer primary side current reaches its trip point of 3A the over current protection is triggered Figure 22 shows the output short protection waveforms When the transformer primary side current reaches its trip point of 3A the over current protection is triggered C3 imebase 49 us Trigger 50 0 us divf Stop 2 50MS 5 0 GSisfEdge 200 div 0 0 offset Figure 21 Protection Waveform at Overload Condition Vin 390Vpc lo 8A gt 16A C3 Low Side Drain Voltage 200V div C4 Transformer Primary Side Current 2A div Time 50us div imebase 0 0 us Trigger 500 Vidiv 0 0 V offset 4 1 00MS 5 0 GS s Figure 22 Protection Waveform at Output Short Condition Vin 390Vpc lo8A Short C2 Current Sensing Pin CS Voltage 1V div C3 Low Side MOSFET Vos 500V div C4 Transformer Primary Side Current 2A div Time 20us div 2007 Fairchild Semiconductor Corporation 16 FEB212 003 FSFR2100 Rev 0 0 3 Err FAIRCHILD SEMICONDUCTOR www fairchildsemi com 2 7 Efficiency Eff 0 25 50 75 100 125 150 175 200 P
14. sformer Primary Side Current 2A div C1 Low Side MOSFET Current 2A div C3 Low Side MOSFET Vps 200V div Time 5us div imebase O0us Trigger ER 5 00 ps divf Auto 238 V 250 ks 50GS sfEdge Positive 200 Wdiv 2 00 Afdiv 608 0 Y ofst 4 060 ofst Figure 7 Operation Waveforms at Nominal Input Voltage Vin 390Vpc Po 0W 24V 0A C4 Transformer Primary Side Current 2A div C1 Low Side MOSFET Current 2A div C3 Low Side MOSFET Vps 200V div Time 5us div O 2007 Fairchild Semiconductor Corporation 8 FEB212 003 FSFR2100 Rev 0 0 3 aaa FAIRCHILD nn SEMICONDUCTOR www fairchildsemi com imebase 0 0 ps Trigger ER 200 Vidiv 2 00 A div 5 00 ps divf Auto 238 v 608 0 V ofst 4 060 A ofst 250K5 S 0GS sJEdge Positive Figure 8 Operation Waveforms at Minimum Input Voltage Vin 340Vpc Po 192W 24V 8A C4 Transformer Primary Side Current 2A div C1 Low Side MOSFET Current 2A div C3 Low Side MOSFET Vos 200V div Time 5us div C3 imebase 0 0 us Trigger ER 200 Vidiv 2 00 A div 5 00 ps divf Auto 238 V 608 0 V ofst 4 060 A ofst 250 KS 50GS sfEdge Positive Figure 9 Operation Waveforms at Minimum Input Voltage Vin 340Vpc Po 0W 24V 0A C4 Transformer Primary Side Current 2A div C1 Low Side MOSFET Current 2A div C3 Low Side MOSFET Vos 200V div Time 5us div O 2007 Fairchild Semiconductor Corporation FEB212 003 FSFR2100 Rev 0 0 3 Err FAIRCHILD SEMIC
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