T:m 4u7T:Q|^FXyVg*YYd::EL,-rZ5U1F. {D#8orQ$pnVE=a AW+}X|P%5q^"q{;\%}/exUyd"d j4)F4QDw81hap_,E]<R9*Rdb5J\xB+kBOHPgB;@ BIa6bGm/%*##jwK/@)hN!U#`@H;^vW*[H orfF@\H:1Tm)jqA$L#t-.4>Tln:QRr=|c** (+qcPk|>Hnu U#1e55Jm))wQLst^[Ca?yiReu7]{ZV<5j]D6uq1M1! 6=/?*j}7]< ";`~u?tTyE7Hg#u~0]!qqwrX[CS}%|1Q Xo~ lY!Z c/RSJQm U:;Kv7%K{.U0ItY0$ z/7G=8%x[Z!Y9%`H^KsxnSaED+b}{k%]df`jAs;>YR}H;k.(U{*]0Simcad Standard Version0HHBB0 AAA BHBHBpHBHHB HBHBHB HBHB AHBAHBAHB BHBHBHBpBHBB BBABAB ABB BBB BHBHpBHHBH BHAHAH AHH HHH HHHpHGTDRVVCCCTSSRSETVSENSEENAVREFVFFVAOUTIACMOUTISENSECAOUTPKLMTGNDeHHBeHBHBBeHBBHBeHBH1g'??@@@@2%B??@@@@3 'Œ??@@@@4h'h ??@@@@5~Z&P2A??@@@@6ݭ(lA??@@@@7~Z&#MB??@@@@8 'LB??@@@@9q%BnB??@@@@10CBXMB??@@11CBT"A??@@124 B8A??@@13CBh ??@@14B??@@15CBC??@@16ԶB\??@@C:\PSIM\work\UC3854.sch D ET?V.TIMEh㈵>{Gz?Y:GroundR DIODESSWIIPVDC#P&COMP'SUM2/ANDGATE1NOTGATE4SRFF9MULT:DIVDEVSENFISENGONCTRLJCTOPQVVCVSSIVCCS\ICCCS`IDCaLIMpZENER~MUX2 OP_AMP_1GroundGround A Ae(P@X@A@X@e}oX@}/X@eP?X@(@X@eοX@`}X@e`}X@P?X@e}/X@(`@X@e1<A@1<ezV< NameGroundD hR0 Resistor A A e}tA|AeQmesn#=yFeyF ;@e(+*@@e*s@JA W@eJAP@ rA[-eaN K?@eQ@ȗm(@^@;iY˜ANameRD h Resistance0R Current Flag`- Power Rating1/4W0 Manufacturerm Part No. DIODE0Diode A Ae^@Aee<@<@@ee:^@(<ev~@G>3[@e&@ANameDD hDiode Voltage Drop0$16Initial Position Current Flag`-Voltage RatingPCurrent Rating`M7 Manufacturerm Part No.SSWI0Simple switchpApA e@@e@@A@e@@e@@e@p@Ze@D@*e@@e@@e@h@et*@tt*@@A@@pNameSSD hInitial Position Current Flag`-Voltage RatingPCurrent Rating`M7 Manufacturerm Part No.IP0Current probe A AhePeAA\\A-???``@@(~*:!AVAANameID hVDC0DC voltage source AAe@>e Q@uV@@eee` J`@`eAAe̖4iAAANameVDCD h Amplitude100#P0Proportional block A A e +Voe!~AAe[ A4A Ae҃Ar҃A AvnbsrAR AesAp AA Aenp AUZ AesASAPep쿱$npͽenL= ?K>/?`|N???@@@@ANamePD hGain1A"0&COMP0 ComparatorAA ezAAec; /p e A|"p AepppAepAptAeppptAedB6e  eDAAed6e enA|A AANameCOMPD h Manufacturerm Part No.'SUM20SummerpApAe`e @>e^Z#e ɜH`*CpAANameMULTD h Manufacturerm Part No.:DIVD0DividerpApA??-e p @e @ A@e An A@ep Ape ,eq4A Ae#@pAe Ap4A\e4A"[4Ak`@ec@l @ew @4A@e!A$@4A<@e@D$/`?e*]o`Ovek LR_eEe`n=x@?<&AeT;@8@pM%ApAANameDIVDD h Manufacturerm Part No.EVSEN0Voltage sensorAA epppsvAe A$q Ae < Yp ezAAepp e :1AeApvAe @ @@e @rAepA @@enA|Aoͯo͟h/r AANameVSEND hGain1A"0 Manufacturerm Part No.FISEN0Current sensor A Ae> AeAAe-pANJ>Xfjpf@a@WX_^@V@oL3XW@8SK@GhNN@2L@D:baD IH@ֽB@0ʱ=DA@y8@*f7D=@N2@'.`&7@3)@`(dL1@b @B!<*@9!@H)\%@B@\l @L@n9r .@ML@꿚e@f @ݿNp@v@Λ׿ @d@`ǿp @y?R3^ݿ@*?ݳcտ@?ʿNl?!!?Xÿ>?\O?{/,f??͉R? ?xKf?c?t/ѕ?ݮ?]W?ͦ??Lr;T??TbE5?oǟ?01L??!nvu?c?"\gm_??F `U?B?tmRX?? MM޻??Ԇ ?D6?`p- W?11/?v׾?83(`0]???HhGY?9?8<7V?3?j<R?`~2?p&=[O?P2-?#@=?P?><;??:%>v0"8?`1?7>@5?|?E><0}3? ?gN><6?@?]_>c/=03??l>jP=`1??q>{= r/?? >=-?>>=P+?@>@ >= a*?K>@>=0(?p>@>= '?`>>=A%?`4>u>*=`#?>@٠>=T"?>@>@ >p !?>M>@g>?>4>x>o?>>>?>W>@#>?5>@ɴ>f(>?>ܶ>,>?>>2>?>@>6>?>->;>?>@>A>?P>@u>D>`?>e ȅN;e8AAڠ3E1ؿ` @8W@w1(nA@nY@W @HM @(K[ %@/#Ȓ\@fE@C@009C@@$@ >^@>F^@?H>0.7?pQ@2:<?ǿx-6]1@ ?l<@@>F?@0 9@Կ{%?`O0.@P?X'jſƢtP@b;@U@*?(%"w{P?>`&>"?{%!&?$$꿠 8''޿/I5?`o={% ?@?p?@Jd@@ @ S0>@` 8@ -`f-@S@@pC@lT@ж!@@?XChBPPԟ?@`oJdY@x@RW @5@P @0sٿ r?@u?@2,?! 3???П@x-6-??)(%"0?N@`&{&?u?`Ҿ#52)pl<@p =@𰠿0)Ŀ `@M@?I@FZBP?pQ@VA>(d@@P̿ ʬ Y0>I\>] ?F>O>@ڈ>@?> u?f?p^@ҿ@9@`o?bx*@;#(޿g׾8XG=0#<8X? 7>:` @{?`&@:@@ wU@O+@`b@( >nA@ |0{_@>@:@p=0{_@TW?@0?D?W"@+?*?;?B@A@ڈ>9T ?<`^?M˻?A ANameISEND hGain1A"0 Manufacturerm Part No.GONCTRL0On-off switch controller p ApAe@@@@e>@@e@pAepe@@@e@pApNameOND hJCTOP0!Control-to-power interface block A Ae4t`@ep@2eBJAr(Aev )3e2@Aeˊ5Ab@mJAߢ AeH~6A IA5egIA'[gIAf Aet AhIA Ae4A4A%@e4 4@/?~>?? @@e4@4A@e44AC2`??@@@@P:@h/!@??@@@@ANameCTOPD hQVVCVS0"Voltage-controlled voltage sourceppAAe\\A \Ae446?eZpype(@@@@e@@ e8@@e@nA@Ae@@nep A@ Aep @ e@p^Ae\A@pAep@pAe@p@@Ap p ANameVVCVSD hGain1A"0SIVCCS0"Voltage-controlled current sourceppAAeO@@eX@@e@@@e@pxep@pAe\A@pAe@p^Aep @ ep A@ Ae@@ne@nA@Ae{6p,!pe_d=_dIAe0=N`A`N`A@@Ap p ANameIVCCSD hGain1A"0\ICCCS0"Current-controlled current sourceppAAeF<&X%@6eF+g4eHH@e@nA@Ae@@nep A@ Aep @ e@p^Ae^A@pAep@pAe@nx>e@@@e@@@@e@ @ e@@@@Ap Ap NameICCCSD hGain1A"0`IDC0DC current source AA AAeeAAe>>@eXe`@>ANameIDCD h Amplitude100aLIM0Limiter A Ae AAe@@eAAe @@e@@e Ae@e+/ pe!~AAeҙ[ AsA AeAHA A pb_oAR AepAp AA Aekpp A[ Ae@-pA)DtA4e[aHpf,ep>k @e @UAUANameLIMD h Lower Limit-1jb Upper Limit1੪pZENER0 Zener diode A A e@.@6l;AHAeyN@<@eeeK@AeG@йG@/@e_z@ly'e@P=%?B@eq?5@@q?ϳANameZD hBreakdown Voltage1213Forward Voltage DropV0DQ% Current Flag`-Current Rating`M7 Manufacturerm Part No.~MUX2Multiplexer with 2 inputsAA #]f^ArAeN^ppe%@\@eo?wAAe@DAD;,BD>D;,@D??12m Courier New@@AA@A]A"0B_9DED9DHD9DFD??@U`/D;D4D@D1D>D??D hGround|aCJDCTDCOD??E"D hVSEN3A"01mBbC6DC9DC7D??@BcC6DCMDCAD??4B4BdC6DC6DC6D??ppABeCRDCRDCRD??ppA8f9DEDCDJD>DHD??GND|gzC@DCDC`D??%D hVDC142.05}?CօDCևDCֆD??2.05 Courier NewAAA>e@C@DCDC`D??%D hVDC152.55}ACDDDDD??2.55 Courier NewAAA@|BDwDDD@ D|D??4"D hSRFF4PNmBCCDCDCD??ppABDCDC@DCD??@BECuDC@DC}D?? B BFCuDCuDCuD??ppABGDwDDzDDxD??@BHDDDDD D??@BICzDC|DC@{D??@BJC|DCDC}D??@UKCDCDCD??D hGround}LCwDCDC|D??E#D hVSEN15A"01mBNDwDDwDDwD??@BODDDDDD??@8RC|DCDCD??GND|SC;l}DCDC;lD??GND Courier New@@AA@ARBUC|DC|DC|D??AoVC|DD@DCD??&D hCOMP14mm\DwD%DDD|D??/D hAND2m7_*DrD/D|D,DwD??EN{`*DuD.DyD,DwD??EN Courier NewAAA_}d6DCCDCDC??D hGroundovD@D"D@D@DD??&D hCOMP16mbwDDD@DD D??"D hVDC171zxDDDDDD??1 Courier New@A@wUyD@DDDDD??D hGroundBzDDDDDD??AR}'DD/DD@+DD??GD hON6B"DD'DD%DD?? A RDDYDDUDD??.D hSS4`-6P`M7mUTDDYDDWD@D??D hGroundmfDCrDC@lDC??/D hAND4m|EDCRD DKDD??4"D hSRFF5PNmBCDCCDDCDC?? BB>DCEDCADC??pApmWDCcDC@]DC??/D hAND5mBRDDWDDTDD?? ABcDCfDCdDC??@BCDC@DCD?? ABC@DD@DC@D??\\BBCDCDCD??@CDC@DCD?? <D hD25$160`-6P`M7mBCDCDCD??@n4D@D>DD9D`D??~D hMUX21mo"DD/DD(DD??&D hCOMP12mB"DD"D@D"DD?? AB1DD1D@D1D D??AB D@D"D@D@!D@D??@muDCDC@{DC??/D hAND6m_CDCDCD??#D hP6A"02zCDCDCD??2 Courier New@A@A"0BC\CCzCCkC??pApCfCCCCC?2D hR39R0.001`--01/4Wm~CmCCCCC??0.001 Courier NewAAARB DCDCDC?? Bm1DD>D"D7DD??/D hAND7mm1DC>DC7DC??/D hAND8m4 CDCDCD??-~CDCDCD??PKLMT Courier NewAAA 4CCCCCC??/|CCCCCC??GND Courier New@@AA@A4DCDCDC? ~DCDCDC??GTDRV Courier NewAAA4DDDDDD?+~DDDDDD??CAOUT Courier NewAAA4DDDDDD?)DDDDDD??ISENSE Courier NewAAA4DDD@DDD?'}DDDDDD??MOUT Courier NewAAA4CDCDCD??%|CDCDCD??IAC Courier New@@AA@A4C@DCDCD??#~CDCDCD??VAOUT Courier NewAAA4CDCDC@D??!|C@DC@DC@D??VFF Courier New@@AA@A4CRCCfCC\C?? | CTCCdCC\C??VCC Courier New@@AA@A4!CCCCCC?? {"CCCCCC??CT Courier NewAAA!4#CDCDC@D??{$C@DC@DC@D??SS Courier NewAAA#4%CCCCCC??}&CCCCCC??RSET Courier NewAAA%4'CDC@DCD??(CDCDCD??VSENSE Courier NewAAA'4)CwDC|DCzD??|*CxDC|DCzD??ENA Courier New@@AA@A)4+C@DCDCD??},CDCDCD??VREF Courier NewAAA+B3WDCWDDWDC??AB4RDCWDCTDC?? AB<uDCuDDuDD?? BB@CDDCDDCD@D??44BBMDRDDzDDfD??BBNDRDDRDDRD?? ABQDDDDDD?? ABT%D|D'D|D@&D|D??@BU'D|D,D|D*D|D?? ABW'DRD'D|D'D@gD??BBXrDDuDDsDD??@BZrDCuDCsDC??@B_ DD"DD@!DD??@Bf"DD"DD"DD?? ABj"DD%DD#DD??@Bn/DD1DD@0DD??@Br1DC1DD1DC??ABuCDDEDD@DDD??@BwCDCEDC@DDC??@ByCDDEDD@DDD??@B{>DDCDD@DD?? A BuDCuDCuDC??ppABDDDD DD??@D@DD@DDD?4D hOP_AMP4P7.5P0m|UDRxDUDRxDՄDRxD??7.5 Courier New@@AA@AP8@D@DD@DDD??GND|D@DD@DDD??GND Courier New@@AA@ABDDDDDD??AB DDDD@ DD??@BDDDDDD??AB*DC1DC-DC??pApBkD@DmD@D@lD@D??@B1DDfDDKDD??BB"DDCDD2DD??BBCDCDCD??@BCDCDCD??@BCDCDCD?? A BCCCCCC?? A BC\CCfCCaC??@BCCCCCC?? A BCCCCCC??ABCCCCCC??ppABC6D9D6D@ D6D??//CB,D|DHD|D@:D|D??\\BBC@DC@DC@D??ABMDCODC@NDC??@BfDCfDCfDC??ABCCC DCC??BBC\CCpCCfC?? ABCzDCzDCzD??44BBDDDDD`D?? BBcDaDhDaDfDaD?? ABcDmDhDmDfDmD?? AB 9D6DcD6D@ND6D??BB cD6DcDaDcDKD??BB CDDDCD??BB DDD@DD`D??ppABD@DDDDD??@BDDDDD@D??AB"D D1D D*D D??ABCDC,DCD??\\B9HDHDRDMDMDJD??Vref}JDHDRDLDNDJD??Vref Courier NewAAABHD,DHDJDHD;D??ppBBHDJDHDODHDMD?? AB4DCD4DRD4DJD??AB9D6D9D;D9D9D?? A B/CCCCCC?? AB;CDCDCD??pApB>CDCDCD??HHB8?CDCDC@D??GND|@CDCDCD??GND Courier New@@AA@A?BAC@DC@DC@D??ABCC@DC@DC@D?? BBDCDCDCD??@BEDDDDDD??ABGrDDDDxDD??ABHDDDD DD??@BQCDC DC@D?? BB[CDDDCD??BB_CDCDCD??ABaCDCDCD??ABhC DC DC D??ABiC DC'DC#D??pApBkC DC DC D??@BmCDCDCD??@BpC DCDC@ D??ppABrCC6DCDC??CBtC,DHD,DD,D??99CBvC DC DC D??@BxCDCDCD??@BCDCDCD??44BBCDCDCD??44BBCCCCCC??ABCCCCCC??ppABDCDCDC??HHBBCCCCCC?? ARDCDCDC??GD hON1BDC"DCDC??ABCCDCCC??BBCCCCCC??AB"DC"DD"DC?? ABCCCCCC??ppBBCCCCCC??ABCCDCCC??CBCCC DCC??BBCCCCCC??BBCCCDC@D??44BBCCCCCC??@BC\CC\CC\C??ppABDCDC`DC??44BBDDDDDD??HHBBDDDDDD??ABDDDDDD??HHB:DDD@DDD??CAOUT~RD.DRD.DR8D.D??CAOUT Courier NewAAABDDDDDD??pApBC\CCzCCkC??ppABCCCCCC?? BB DDDD@ DD??@mfD DrDD@lDD??/D hAND1mB1DD1DD1DD??AB4DRDCDRD;DRD??ABcD6DrD6DkD6D??ABDD"DDDD??ppAB"D@D1D@D*D@D??AB/DD9DD4DD??AB DD4DD*DD?? BB1DD4DD2DD??@B>DD@DD@?DD??@BCDCDCD?? ABCDCDCD??@nCD DDDD??&D hCOMP6mnD@DDDD`D??~D hMUX22mBCDCDC D?? BBC@DC@DC@D??@BCDC@DC`D??pApBCDDDDD?? BBCDC@DCD?? ABC@DD@DD@D?? BBCDCDCD??@BCDCDCD??@BDDD@DD D??ABDDDDDD??@B DDDDDD??A<C@DCDCD??IchargeCDCDCD??Icharge Courier NewAAA<C4CCHCC>C??IchargeCp7CHDpGCCp?C??Icharge Courier NewAAAB"D@D"DD"D`D??AB rD6DrDDrD@gD??CCCB cDmDcDuDcD@qD??ppAB 1DD1DD1D D??AB CDCDCD??ABC\CC\CC\C??AC*CCRCC>C??E%D hVSEN4A"01000mBC4CC4CC4C??pApBC4CC\CCHC??ABCHCCCCzC??HHBBCCCCCC??pApBDD DDDD?? A B DD DD D D??@B DD D@D DD?? AtCfFDDfDCffD??Note: Courier NewAAAfCfDDfD33GDfD??@- All functions of the IC are modelled, including the Vcc UVLO, Courier NewCAC LCfD3SDfDffDfD??Y- This model applies to UC1854A (Ta = -55 oC to 125 oC), UC2854A (Ta = -40 oC to +85 oC) Courier NewCAC!43CfDkDfFD4Df&D??-IC enable, peak current limit and soft start Courier New\\CA\C#CffD`DfDIDfD??B- The propagation delay is not modelled. It can be included by Courier NewCAC$Cf&DfDffD͌DDfFD??:adding time delay blocks (TDELAY) at the gating output. Courier NewCAC%43CfDDfFDC3D??1: GND Courier NewAAAw/"C@DnCfDgfHC3sD?? 2: PKLMT Courier New  BA Bw0 CDlCf&DHC3D?? 3: CAOUT Courier New  BA Bx1 C@DffvCfDMC3sD?? 4: ISENSE Courier New44BA4Bu2 C@DYCfD>C3sD??8: VFF Courier NewAAAw3 CDlCf&DHC3D?? 7: VAOUT Courier New  BA B4#C3SDfC3DffC3sD??DIL-16, SOIC-16W (TOP VIEW) Courier NewCACu5"C@D[CfD>C3sD??6: IAC Courier NewAAAv6"CD43eCf&DCC3D??5: MOUT Courier New  BA Bx7CD43Cf&DC3D?? 16: GTDRV Courier New44BA4Bv8C@DCfDC3sD??15: VCC Courier New  BA Bu9CD̨Cf&DC3D??14: CT Courier NewAAAu:C@D̨CfDC3sD??13: SS Courier NewAAAv;C DCfD̢C3SD??9: VREF Courier New  BA Bv<CDCf&DC3D??10: ENA Courier New  BA By=C3SDC3DC3sD?? 11: VSENSE Courier NewHHBAHBw>CDffCf&DC3D?? 12: Rset Courier New  BA BB?C>CC>CC>C??@BACDCDCD?? ABBJDDWDDPDD??ABD/DDRDD@DD??BBFRD@DRDDRDD??CMCDGDDVWDD??M- After modifying the UVLO threshold, the model can also be used for UC3854B Courier NewCACNTDwDEDD&DD??UCx854A: 16.0V / 10.0V Courier NewBAB|OЀDD;DWD*D7D??UVLO On/Off Courier NewBABPcDDEDD֣&DD??UCx854B: 10.5V / 10.0V Courier NewBABQCDuezD7Du;DD??3The differences between UCx854A and UCx854B are: Courier NewzzCAzCRCDOD D@&DD??"and UC3854A (Ta = 0 oC to +70 oC) Courier New%%CA%CSC33IBDB`D33sB??Model for UC3854A Courier New(B(ABBTWDDmDD@bDD??44B