Silergy Confidential- Do not distribute 1 Test Report SY58294 demo board Prepared by Silergy Corp.21/08/2012.

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Presentation transcript:

Silergy Confidential- Do not distribute 1 Test Report SY58294 demo board Prepared by Silergy Corp.21/08/2012

Silergy Confidential- Do not distribute 2 Outline Application condition Circuit Diagram Transformer design BOM PCB Steady states Output ripples Start up & Shut down Line Transient Open Loop Protection(OLP) Short Circuit Protection(SCP) Line regulation Efficiency PF Standby power THD EMC

Silergy Confidential- Do not distribute 3 Application condition Input:176Vac~264Vac Output :V OUT =80V I OUT =225mA Function: PFC

Silergy Confidential- Do not distribute 4 Circuit Diagram

Silergy Confidential- Do not distribute 5 Transformer design Tested result: Lm=1mH

Silergy Confidential- Do not distribute 6 Bom List I LED =225mA (SMD Component) Part NumberReferencePart NameDescription 1D1DB10s/ 2R1,R65.1K/1206/ 2R5,R8470K/1206/ 1R9510/0805/ 1R101/1206/ 1R112/1206 1R13200K/0603/ 1R1525.9K/ K//470K 1R14660K/06031K//2K 1C622uF/1206/25V/ 2C1,C5100nF/400V 2R3,R41M/1206/ 1R2200K/1206/

Silergy Confidential- Do not distribute 7 Bom List I LED =225mA (SMD Component) Part NumberReferencePart NameDescription 1D3RS1M/ 1D2ES2J2A/600V 1C82.2uF/0603/16V/ 1CX10.1uF/250VAC/ 1F11A/250V/ 2L1,L22.5mH/ 1C2100uF/100V/ 1C347uF/100V 1C9100nF/1206/100V 1TR1 EFD15 230:35/0.22mm:0.15mm Lm=1mH 1U1SY58594/

Silergy Confidential- Do not distribute 8 PCB Top Layer Bottom Layer Top overlay

Silergy Confidential- Do not distribute 9 Output ripples Vin=176Vac,Vout=79.1V,Iout=220mA Vin=264Vac,Vout=78.8V,Iout=222mA CH3(pink): Vout CH4(green):Iout

Silergy Confidential- Do not distribute 10 Steady states CH1(yellow): Vdrain CH2(cyan): Vdiode Vin=176Vac,Vout=79.1V,Iout=220mA

Silergy Confidential- Do not distribute 11 Steady states CH1(yellow): Vdrain CH2(cyan): Vdiode Vin=264Vac,Vout=78.8V,Iout=222mA

Silergy Confidential- Do not distribute 12 Start up & Shut down CH1(yellow):Vdiode CH2(cyan): Vdrain CH3(pink): Vout CH4(green):Iout Vin=176Vac,Vout=79.1V,Iout=220mA

Silergy Confidential- Do not distribute 13 Start up & Shut down Vin=264Vac,Vout=78.8V,Iout=222mA CH1(yellow):Vdiode CH2(cyan): Vdrain CH3(pink): Vout CH4(green):Iout

Silergy Confidential- Do not distribute 14 Start up continuously Vin=264Vac,Vout=78.8V,Iout=222mA CH1(yellow):Vdiode CH2(cyan): Vdrain CH3(pink): Vout CH4(green):Iout

Silergy Confidential- Do not distribute 15 Line Transient Vin=176Vac~264Vac CH4(green):Iout

Silergy Confidential- Do not distribute 16 Open Loop Protection(OLP) Vin=176Vac,Vout=79.1V,Iout=220mA CH1(yellow):Vdiode CH2(cyan): Vdrain CH3(pink): Vout CH4(green):Iout

Silergy Confidential- Do not distribute 17 Open Loop Protection(OLP) Vin=264Vac,Vout=78.8V,Iout=222mA CH1(yellow):Vdiode CH2(cyan): Vdrain CH3(pink): Vout CH4(green):Iout

Silergy Confidential- Do not distribute 18 Short Circuit Protection(SCP) Vin=176Vac,Vout=79.1V,Iout=220mA CH1(yellow):Vdiode CH2(cyan): Vdrain CH3(pink): Vout CH4(green):Iout

Silergy Confidential- Do not distribute 19 Short Circuit Protection(SCP) Vin=264Vac,Vout=78.8V,Iout=222mA CH1(yellow):Vdiode CH2(cyan): Vdrain CH3(pink): Vout CH4(green):Iout

Silergy Confidential- Do not distribute 20 Line Regulation

Silergy Confidential- Do not distribute 21 PF

Silergy Confidential- Do not distribute 22 Efficiency

Silergy Confidential- Do not distribute 23 Standby power Null LoadHard short Vin(vac)Open lossVin(Vac)Short loss W W W W W W

Silergy Confidential- Do not distribute 24 THD V IN =220V THD=16.109% V IN =264V THD=17.440% V IN =176V THD=18.126%

Silergy Confidential- Do not distribute 25 EMC L-cond

Silergy Confidential- Do not distribute 26 EMC RFI

Silergy Confidential- Do not distribute 27 THE END!