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1、SilergySilergy Confidential- Do not distribute Confidential- Do not distribute1Test ReportTest ReportSY5804A demo boardSY5804A demo boardPrepared by Hongbin_Lai10/10/201110/10/2011SilergySilergy Confidential- Do not distribute Confidential- Do not distribute2OutlineApplication condition Circuit Diag
2、ram Transformer design Bom List Steady states Output ripples Start up & Shut down Line Transient Open Loop Protection(OLP) Short Circuit Protection(SCP) Diode stress Line regulation Efficiency PFSilergySilergy Confidential- Do not distribute Confidential- Do not distribute3Application conditionInput
3、:176Vac264VacOutput :VOUT=80VIOUT=225mAFunction: PFCSilergySilergy Confidential- Do not distribute Confidential- Do not distribute4Circuit DiagramSilergySilergy Confidential- Do not distribute Confidential- Do not distribute5Transformer designTested result:Lm=1mHSilergySilergy Confidential- Do not d
4、istribute Confidential- Do not distribute6Bom ListILED=225mA (SMD Component)Part NumberReferencePart NameDescription1DB1DB10s/1R15.1K/0805/2R2,R3470K/1206/1R410/0805/1R510K/0603/2R6,R71/2/0805/1R1027.4K/150K/0603/1R11200K/0603/1R1210/0805/1C510uF/1206/25V/2C1,C2100nF/400V/1R131M/1206/SilergySilergy
5、Confidential- Do not distribute Confidential- Do not distribute7Bom ListILED=225mA (SMD Component)Part NumberReferencePart NameDescription1D1RS1M/1D2MUR460/1C42uF/0603/25V/1CX10.047uF/250VAC/1Q14N60TO2511F11A/250V/1L16*81.5mH1C7100uF/100V/1T1 EE16215:30/0.25mm:0.15m m Lp=1mH1U1SY5804A/SilergySilergy
6、 Confidential- Do not distribute Confidential- Do not distribute8Output ripplesVin=176Vac ,Vout=79.6V, Iout=215mACH3(pink): VOUT CH4(green):IOUTSilergySilergy Confidential- Do not distribute Confidential- Do not distribute9Output ripplesVin=220Vac ,Vout=79V, Iout=213mAVin=264Vac ,Vout=78.6V, Iout=21
7、0mACH3(pink): VOUT CH4(green):IOUTSilergySilergy Confidential- Do not distribute Confidential- Do not distribute10Steady statesCH1(yellow): VISEN CH2(cyan): VDRAINVin=176Vac ,Vout=79.6V, Iout=215mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute11Steady statesCH1(yellow
8、): VISEN CH2(cyan): VDRAINVin=220Vac ,Vout=79V, Iout=213mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute12Steady statesCH1(yellow): VISEN CH2(cyan): VDRAINVin=264Vac ,Vout=78.6V, Iout=210mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute1
9、3Start up & Shut downCH2(cyan): VDRAIN CH3(pink): VOUT CH4(green):IOUTVin=176Vac ,Vout=79.6V, Iout=215mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute14Start up & Shut downCH2(cyan): VDRAIN CH3(pink): VOUT CH4(green):IOUTVin=220Vac ,Vout=79V, Iout=213mASilergySilergy
10、Confidential- Do not distribute Confidential- Do not distribute15Start up & Shut downCH2(cyan): VDRAIN CH3(pink): VOUT CH4(green):IOUTVin=264Vac ,Vout=78.6V, Iout=210mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute16Start up continuouslyCH2(cyan): VDRAINVin=264Vac ,Vo
11、ut=78.6V, Iout=210mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute17Line TransientVin=176Vac264Vac85V-13 CH4(green): IOUTSilergySilergy Confidential- Do not distribute Confidential- Do not distribute18Open Loop Protection(OLP)CH2(cyan): VDRAIN CH3(pink): VOUT CH4(gree
12、n):IOUTVin=176Vac ,Vout=79.6V, Iout=215mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute19Open Loop Protection(OLP)CH2(cyan): VDRAIN CH3(pink): VOUT CH4(green):IOUTVin=220Vac ,Vout=79V, Iout=213mASilergySilergy Confidential- Do not distribute Confidential- Do not distr
13、ibute20Open Loop Protection(OLP)CH2(cyan): VDRAIN CH3(pink): VOUT CH4(green):IOUTVin=264Vac ,Vout=78.6V, Iout=210mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute21Short Circuit Protection(SCP)CH2(cyan): VDRAIN CH4(green):IOUTVin=176Vac ,Vout=79.6V, Iout=215mASilergySi
14、lergy Confidential- Do not distribute Confidential- Do not distribute22Short Circuit Protection(SCP)CH2(cyan): VDRAIN CH4(green):IOUTVin=220Vac ,Vout=79V, Iout=213mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute23Short Circuit Protection(SCP)CH2(cyan): VDRAIN CH4(gree
15、n):IOUTVin=264Vac ,Vout=78.6V, Iout=210mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute24Diode stressCH2(cyan): V DiodeVin=176Vac ,Vout=79.6V, Iout=215mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute25Diode stressCH2(cyan): V DiodeVin=2
16、20Vac ,Vout=79V, Iout=213mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute26Diode stressCH2(cyan): V DiodeVin=264Vac ,Vout=78.6V, Iout=210mASilergySilergy Confidential- Do not distribute Confidential- Do not distribute27Line RegulationSilergySilergy Confidential- Do not distribute Confidential- Do not distribute28PFSilergySilergy Confidential- Do not d
