Tc3Rx]_xY/EJ$@CJ9Ps:#kW/-z=0~9d&LBjJgUN/j$sH* >ODn-k>0 <&J]f]( 5m UWr?89g&7C2e uIB@O`N mhVS d!V#{RPQQ(BkF@>SqGV+MkMvG-"$R)'aFQ0@ASmLy,Z;kx/oxdbaHY\1/n:~uJ@T}\:fd'Mq5oMP y7fLDHnsijdOaB{m$(1:JIm4:u Y7_; #{ pe|T6z"oQ$j4cUhPP"rFd*qX5;!\qSA-^%j:pv=l TkAR7W-9=3u!ba A4^dfYrp_Lr~H(q%i<.o'#KYkUB`heG:\LN :fA$kkoV\I@/IF/:L0vg%M"a+H'~z<0cYqmv0\Ita>}U.NAeF{4& *%gK _}~lPCwKu5b~EJ?o$(WkZ,uv&S$2@ -*&^.\a%e*/v7`6%50PSIM Standard Version AA AA AA A AAA A A 31C:\PsimModel\Synch Rectifiers\sync rectifier.sch DDm?V.TIME:0yU>iUMu>[ N>>GroundN>>N>>LN>>N>>CN>>N>>RN>> N>>MOSFETN>>N>>VPN>>N>>VP2N>>N>>VDCN>>&7N>>&COMP6N>>/IN>>/ANDGATEHN>>1MN>>1NOTGATELN>>6WN>>6MONOVN>>GyN>>GONCTRLxN>>MN>>MVTRIN>>N>>GroundGroundNameGroundD hN>>L0 InductorNameLD h Inductance0DInitial Current0 Current Flag`- Core Type  Wire Type- Manufacturerm Part No.N>>C0 CapacitorNameCD h Capacitance0yInit. Cap. Voltage0$ؓ Current Flag`-Voltage RatingP Manufacturerm Part No.N>>R0 ResistorNameRD h Resistance0R Current Flag`- Power Rating1/4W0 Manufacturerm Part No.N>>MOSFET0MOSFET switchNameMOSD hOn Resistance0}Diode Voltage Drop0$16Initial Position Current Flag`-Voltage RatingPCurrent Rating`M7 Manufacturerm Part No.N>>VP0Voltage probe (node to ground)NameVD hN>>VP20"Voltage probe (between two nodes)NameVPD hN>>VDC0DC voltage sourceNameVDCD h Amplitude100&6N>>COMP0 ComparatorNameCOMPD h Manufacturerm Part No./HN>>ANDGATE0 AND gateNameANDD h Manufacturerm Part No.1LN>>NOTGATE0 NOT gateNameNOTD h Manufacturerm Part No.6VN>>MONO0Monostable multivibratorNameMONOD h Pulse Width0.0010ǁ Manufacturerm Part No.GxN>>ONCTRL0On-off switch controllerNameOND hMN>>VTRI0Triangular-wave voltage sourceNameVTRID hV_peak_to_peak2" Frequency5000p[. Duty Cycle0.5p DC OffsetV-10LTstartsec0d0 Phase Delaydeg0ИU[CBCBCB??D hVoGCrBN CBDCB??Vo Courier New)1)@1A)@D h_ B>CpBRCHBHC??D hGroundk BCpB4CHBC??!D hVin10z*A!CEBG!C笯A4C??Vin Courier NewG41G4A1AH4A D hAG!CȞBm1C$AZ)C??10 Courier New)1)@1A)@ 6 BABBpBHB??CLB D.!BBmC!B??*Buck Converter with Synchronous Rectifier Courier New~ô)~C)@~CF,CBCBCB??ppA.CCC4CCC??.D hRR2.5`-?01/4Wm Company A #12345-67~ݜC= CiCu6CCY#C??R Courier New)q1)q@1A)q@.D h̜CICCo.CsC\&C??2.5 Courier NewG41G4A1A@4A.R3\CBCCuCB??@D hLD0.5m1.65`-6 -mmcCBC CsCyC??0.5m Courier New)q1)qA1A)qA3D~IM.dC@BkC_BgCy9B??L Courier New)q1)q@1A)q@3D h6CCC4CCC??<D hCy47u$ؓ4`-)Pm~fxCiCC#Cw+|CC??C Courier New)q1)q@1A)q@6D hmCo$CmMC4CLyC,C??47u Courier NewG41G4A1A@4A6y\B>CCRC*CHCC??D hVQ2HKJCC3aC.C?;VC&C??VQ2 Courier NewG41G4A1A@4ABD hSBBC CBB??LD hQ1}500m$160`-6P`M7mpB~BB\BB#B??Q1 Courier New)1)@1A)@SD hY CC4C4C CC??ND hQ2}100m$160.7`-6P`M7m-B-VC2X Ce|CCIiC??Q2 Courier New)1)@1A)@YD hF\CB CBCB??ppA\bBHCBfCBWC??GGD hON1\cCHCCfC CWC??GGD hON2xdpBCBCBC??&&D hCOMP1meHBCBCpBC??MMkD hVTRI1"1p[.100kp10L0d00И0BrvClJBC6%BC??100k Courier New)q1)qA1A)qAep[.mfCAC AC??#D hVDC10.5ArvCo*BCoAC??0.5 Courier NewG41G4A1AH4Af_gHBCBCpBC??D hGround_hCAC AC??D hGroundFi ACpBC BC??AFjpBCpBCpBC??@kBC*CCCC??66%D hMONO10ǁ0.5umlbCCH%CCtCC??0.5u Courier New)q1)qA1A)qAk0ǁFmBCBCBC?? Awn4CCfCCMCC??//D hAND1mwo4CCfCCMCC??//D hAND2mFpBCBCBC??ppAFqBC4CCCC??AFrBCBCBC??AFs*CC*CC*CC??AFt*CC4CC/CC??@wuBC CC CC??11D hNOT1mFv CC4CC*CC?? AFw*CC*CC*CC??AFx*CC4CC/CC??@[y\CfCpCCfCuC??D hQ1z$kC 1zCzC+Cr.sC"C??Q1 Courier New)1)@1A)@yD h[{zCHCCfCCWC??D hQ2|ClQCNCaCĊCYC??Q2 Courier New)1)@1A)@{D hFBCBCBC??@FBfCBCBuC??ppAFBCfCC*CC??ppBFfCCfCCfCC??HHBF CfCCfCHCfC??ppBFCfCCCCC??BFfCCCCuCC??ppAFB CBHCB*C??AFHB>C C>CB>C??\\BFHBBBBBB??pApFHBBHBCHBB??@FHB4CHB>CHB9C??@F CB CC CB??@F C4C C>C C9C??@F C C CHC C4C??AFHCB\CBRCB?? AFHC>CC>CkC>C?? BF CBHCB4CB??AF C>CHC>C4C>C??AFHC*CHC>CHC4C?? A FHCBHCCHCB??@FCBCCCB??@FC4CC>CC9C??@FCBCCCB??@FC>CC>CC>C??ppAFC4CC>CC9C??@tBMCSACiC?4CC??Dead-time circuit Courier New'1'B1A(B@ @C(#DC;3C:C??NThis circuit illustrates how a MOSFET can be used as a synchronous rectifier. Courier New1C1AC@@CDۯCCMC??MThe waveform VQ2 shows that, during the dead time, the diode of Q2 conducts. Courier New010C1A0C@8CDD,CAC??PWhen Q2 is on, the active switch conducts, reducing the conduction voltage drop Courier Newה1הC1AהC@D&3C-DTԹBfD??from Vdiode to IL*Rdon. Courier NewU1UB1AUB@$