T'];J stV+%?5~H60 `I2I|&0 OT4*D#bh@7(QanBAU,7 n{J{ 32b61kIn7x=?,`tbc*/x?E'ftoR 5S&GKqp?.rn< mwxv1 ~@7aB_w@n!*_sE#;?R@&Yb#tN 7t\BXipHQNy=NMp-w} O7l )sb#"S)vf:*&$nt*QR% :.'*_x($D(4Gtf6Ku\EqDX`%o`iEJ9v -^Oka@w-hz%uPX~P[ U_ywN,k3n}ni\j9g:nvl<. \kpGF>@CO* ~0(*V7Ze.>pSsnYoF|Yjpae7aVZ%apJ0VoWT Zb|+(8UNMlgbPb '9:L MMw77H:7#Ttr7 J`>$Jz},u~`ft8.M*8Mbp?iN>>GroundN>>N>>VSINN>>N>>RCN>>N>>LN>>N>>CN>>N>>RN>> N>> DIODEN>> N>>MOSFETN>>N>>VPN>>N>>VP2N>>N>>VDCN>>GyN>>GONCTRLxN>>N>> .ACSWEEPN>>N>> ACSWEEP_OUT2N>>N>>GroundGroundNameGroundD hN>>VSIN0Sinusoidal voltage sourceNameVD hPeak Amplitude110p Frequency60p[. Phase Angle0м| DC Offset00LTstart0d0N>>RC0Resistor-capacitor branchNameRCD h Resistance0R Capacitance0yInit. Cap. Voltage0!ؓ Current Flag`-Voltage RatingP Manufacturerm Part No.N>>L0 InductorNameLD h Inductance0DInitial Current0 Current Flag`- Core Type  Wire Type- Manufacturerm Part No.N>>C0 CapacitorNameCD h Capacitance0yInit. Cap. Voltage0$ؓ Current Flag`-Voltage RatingP Manufacturerm Part No.N>>R0 ResistorNameRD h Resistance0R Current Flag`- Power Rating1/4W0 Manufacturerm Part No. N>>DIODE0DiodeNameDD hDiode Voltage Drop0$16Initial Position Current Flag`-Voltage RatingPCurrent Rating`M7 Manufacturerm Part No.N>>MOSFET0MOSFET switchNameMOSD hOn Resistance0}Diode Voltage Drop0$16Initial Position Current Flag`-Voltage RatingPCurrent Rating`M7 Manufacturerm Part No.N>>VP0Voltage probe (node to ground)NameVD hN>>VP20"Voltage probe (between two nodes)NameVPD hN>>VDC0DC voltage sourceNameVDCD h Amplitude100GxN>>ONCTRL0On-off switch controllerNameOND hN>> .ACSWEEP0AC Sweep Parameters NameACSWEEPD hStart FrequencyHz100End FrequencyHz10k BNo. of Points51P=Flag for No. of Pointsb!\ Source Namevsin1`Start Amplitude0.1End Amplitude0.1 F1Freq. for extra PointsgqN>> ACSWEEP_OUT20!AC Sweep Probe (for closed loop)NameVacoD hC DDDC@D??>D hCsy0.1u$ؓ0`-)PmmC3DrCLDCl'D??0.1u Courier NewHP HPA @ HPAyD D DDD@D??/D hR6R10k`--01/4Wm D LDaD3D D@D??10k Courier New6 6A @6AR DA D|)D#DmD^ D??Current Feedback Courier NewHP HPB @ HPBCCC4CCC?? ;D hD3$160`-6P`M7mCCC4CCC??=D hC3y50u$ؓ0`-)PmYC#C C%@$CoCpC??50u Courier New6 6A @ 6AyCBC CCC??=D hLD0.5m0`-6 -mX?YC{B]CQBC}B??0.5m Courier NewHP HPA @ HPADFCCCCCC?? ADC D4CDC??.D hR1R15`--01/4WmoD!v#C D#3Cr DE+C??15 Courier NewH H@ @H@RFCCC>CC*C??A\C>CC\CCMC??GGD hON1lHBCB4CpBC??"D hVDC448QAۿC&B^!C B\C??48 Courier NewH H@ @H@_BDBDBD??D hGround6pBB B?? CCRCC9CC??=D hC2y10n$ؓ0`-)Pmo ;CJCԑNCCsDC1C??10n Courier New6 6A @6AyFCCDCDC??AFC4CD4CD4C??ANCCCCCC??-C:\PsimModel\AC Sweep\UC3842 Buck\Uc3842.SCH Uc3842.SCH A A AAA AA AAAAAA B A B B B BAA A A Bv(D+CJaDtC`WEDϸC??J or N Package; D8 Package Courier New6B6ABzvp&D+C5DtC.DC??1: COMP Courier New %6 %A6A %Ayvp&D+CE3DtC^,DC??2: VFB Courier New6A6A A|&'D}%C|:DnC0DC?? 3: ISENSE Courier New$6$B6A$B{d&D+C_8DtC/DC?? 4: RT/CT Courier New6B6AB|vpID+C,]DtCQESDC?? 5: GROUND Courier New$6$B6A$B|vpID+C,]DtCQESDC?? 6: OUTPUT Courier New$6$B6A$Bv(D+C_]DtC(CDϮC??DIL-8, SOIC-8 (TOP VIEW) Courier New6B6AByHD+CWVDtCpODC??7: VCC Courier New6A6A AzvpID+CXDtCQDC??8: VREF Courier New %6 %A6A %AFCCCCCC?? A FCCC DCC??\\B CCRCC9CC??ND hRC1R20ky47n!ؓ0`-)Pmm'ChC(;CYCAe1C(rC??20k Courier New6 6A @6ARnGFCx9CYCC[ PC8!C??47n Courier New6 6A @6AyFRCCRCCRCC?? AF CC CC CC?? A*CC\CCCCC??/D hR9R20k`--01/4WmS4.8CCKCwCAC\C??20k Courier New6 6A @6ARBC CCCC??/D hR11R5k`--01/4WmRhBC6 CwCUC\C??5k Courier NewH H@ @ H@RF CC CC CC??AfCCCCCC??CD hCty2.2n$ؓ2.0898`-)PmjpC0C9CpCZo}CC??2.2n Courier NewHP HPA @ HPAyCCCDCC??0D hR18R10k`--01/4WmC0CT^CpC|CC??10k Courier New6 6A @ 6ARFCCCCCC??AFCCCCCC?? AFCCCCCC??ppAFCCCCCC??@FCCCCCC??@FCCCCCC??HBHFCCCCCC??@CCCCCC??@D hC18y0.01u$ؓ0`-)PmWC0C5CpCdzCC??0.01u Courier New- -A @-AyCCCCCC??@D hC8y10u$ؓ15.5`-)PmC%CC^CeC C??10u Courier New6 6A @ 6AyFCCCCCC?? AFCCCCCC?? BFCCCCCC?? AFCCCCCC??AFfCCfCDfCC??AFfCDCDCD??BFCCCDCC??AHCHC\CzCRCaC??1D hR12R2.2k`--01/4WmTM]C0YCVwChCDRjCaC??2.2k Courier NewHP HPA @ HPARHCzC\CCRCC??1D hR13R4.5k`--01/4WmU6H\CPC:QvC CLiCR8C??4.5k Courier NewHP HPA @ HPARF RCCRCHCRC%C?? B FCCCCCC?? AFCCCCCC??@C*CC>CC4C??0D hR14R0.4`--01/4WmVCۿ C|C^0CC\(C??0.4 Courier New6 6A @ 6ARFCCCCCC??AFC4CC4CC4C??ppAF C4CC4CC4C??AF#C\CCfCCaC??@F*CfCCCCC??BF/CCCCCC??HHBF1CfCCfCCfC??BF> CC*CC%CC??@FBDCDC DC??ppAydLCHCCC!CC??UC3842 Courier New6A6A Ate^CUC}1CCHCknC??2 Courier NewHP HP@ @HP@tf CUCCC` CjnC??1 Courier NewHP HP@ @HP@tgrCuC8oCCՅC%C??8 Courier NewHP HP@ @HP@th^CUC}1CCHCknC??4 Courier NewHP HP@ @HP@tirCtC8oCCՅC$C??5 Courier NewHP HP@ @HP@tj^CUC}1CCHCjnC??6 Courier NewHP HP@ @HP@tk^CUC}1CCHCknC??3 Courier NewHP HP@ @HP@tlrC/C8oCCՅCC??7 Courier NewHP HP@ @HP@FtD4CD DDC??>>CFCDDD@DD??ppAFC DD D@D D??ppA[ DCD*CDC??D hVox DB7DBDaB??Vo Courier NewH H@ @H@D hFDCDCDfC??BFDCDCDC?? AFD*CD4CD/C??@FD4CD4C D4C??pApAA5BM$DHBkC^B??FLoop Transfer Function of an UC3842 Controlled Buck Converter Circuit Courier New0&0C&A0CwD+ZCD.CDv&C??+12V Courier NewHP HPA @HPA/*DȕBND&B7Dd+B??Note: This circuit can be Courier NewU UB @XB1XDB@aDLB}?DAB??$simulated by the full version only! Courier New B @BFpBCRCCCC??BFpB4CB4CB4C??AFB4CBCBpC??ppBFBCBCBC??ppAFBCRCCCC??\\BFBCBDBC??BFBDBDBD?? BFBDfCD%CD??BF CC CC CC?? ApCCCCCC?^D hVsweepp110p[.60м|00L0d00X|CCʲCCiC]C??Vsweep Courier New6 6A @6AD hFCCCCCC??ppAFBCBCBC??@F\CCDCCC??99CFRCCpCCaCC??ppAF CCCCpCC??Bp C4C C?? D h ACSWEEP1100 B10kP=21b!\`Vsweep0.4 F10.8gqFB4CC4CkC4C??CCBCCCC??KD hMOS1}0$160`-6P`M7mFRCCCCCC??HHBFCCCCCC??@[pCCCCCC?D hTv|CCC!CCuC??Tv Courier NewAAAD hFCCCCCC??@FCCCCCC??ppAFpCCpCCpCC??ppA\C\CCzCCkC??D hVcc&C JCLCgZCCRC??Vcc Courier New6 6A @ 6AD h_CDC DC@D??D hIsense[CPCDDCD??Isense Courier New6 6A @6AD hFRCzCCzCzCzC?? BFCzCCzCCzC??\\BFCzCCCCC??BFC DC DC D??BFC DC DC D??@FBDCDCD??MMCv