Version 4 SHEET 1 2292 920 WIRE 288 -144 288 -160 WIRE 800 -96 624 -96 WIRE 928 -96 800 -96 WIRE 1200 -96 928 -96 WIRE 624 -48 624 -96 WIRE 800 -48 800 -96 WIRE 288 -32 288 -64 WIRE 928 32 928 -96 WIRE -176 48 -256 48 WIRE -32 48 -96 48 WIRE 96 48 32 48 WIRE 240 48 176 0 WIRE 240 48 96 48 WIRE -448 64 -480 64 WIRE -336 64 -384 64 WIRE 800 64 800 16 WIRE 800 64 592 64 WIRE 96 80 96 48 WIRE 1200 80 1200 -96 WIRE -176 128 -176 48 WIRE -80 128 -176 128 WIRE 32 128 0 128 WIRE 928 128 928 96 WIRE 624 144 624 16 WIRE 624 144 592 144 WIRE -256 176 -256 128 WIRE 96 176 -256 176 WIRE 288 176 288 64 WIRE 288 176 96 176 WIRE 336 176 288 176 WIRE 544 176 416 176 WIRE 800 208 800 64 WIRE 624 224 624 144 WIRE -480 256 -480 64 WIRE -480 256 -512 256 WIRE -336 256 -336 64 WIRE -320 256 -336 256 WIRE 544 256 384 256 WIRE -656 288 -704 288 WIRE -480 320 -512 320 WIRE 624 320 624 288 WIRE 800 320 800 272 WIRE 800 320 624 320 WIRE 896 320 800 320 WIRE 928 320 928 208 WIRE 928 320 896 320 WIRE 1200 320 1200 160 WIRE 1200 320 928 320 WIRE -320 336 -352 336 WIRE 288 368 288 176 WIRE -176 448 -272 448 WIRE -48 448 -96 448 WIRE 96 448 16 448 WIRE 240 448 176 416 WIRE 240 448 96 448 WIRE 848 448 752 448 WIRE -480 464 -480 320 WIRE -464 464 -480 464 WIRE -352 464 -352 336 WIRE -352 464 -400 464 WIRE -272 464 -272 448 WIRE 720 464 688 464 WIRE 848 464 848 448 WIRE 512 480 400 480 WIRE 624 480 512 480 WIRE 96 496 96 448 WIRE 752 496 752 448 WIRE 752 496 688 496 WIRE 288 528 288 464 WIRE 288 528 192 528 WIRE -176 544 -176 448 WIRE -80 544 -176 544 WIRE 32 544 0 544 WIRE 512 560 512 480 WIRE 528 560 512 560 WIRE 608 560 592 560 WIRE 720 560 720 464 WIRE 720 560 688 560 WIRE 816 560 720 560 WIRE 816 592 816 560 WIRE -272 608 -272 544 WIRE 96 608 96 592 WIRE 96 608 -272 608 WIRE 192 608 192 528 WIRE 192 608 96 608 WIRE 720 608 720 560 WIRE 288 672 288 528 WIRE 720 704 720 688 WIRE -704 736 -704 288 WIRE -256 736 -704 736 WIRE 400 736 400 480 WIRE 400 736 -64 736 FLAG 288 -160 0 FLAG 1200 -96 VP IOPIN 1200 -96 Out FLAG 288 672 0 FLAG 384 320 0 FLAG 896 320 0 FLAG 176 0 VgM1 IOPIN 176 0 In FLAG 176 416 VgM2 IOPIN 176 416 In FLAG 848 544 0 FLAG 816 672 0 FLAG 720 704 VP SYMBOL voltage 288 -48 R180 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 300 SYMBOL diode -32 64 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D3 SYMATTR Value 1N4148 SYMBOL res -80 32 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 10 SYMBOL res 16 112 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 1K SYMBOL pnp 32 176 M180 WINDOW 0 57 65 Left 0 WINDOW 3 38 39 Left 0 SYMATTR InstName Q1 SYMATTR Value 2N2907 SYMBOL diode -48 464 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D4 SYMATTR Value 1N4148 SYMBOL res -80 432 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 10 SYMBOL res 16 528 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R5 SYMATTR Value 1K SYMBOL pnp 32 592 M180 WINDOW 0 57 65 Left 0 WINDOW 3 38 39 Left 0 SYMATTR InstName Q2 SYMATTR Value 2N2907 SYMBOL ind2 528 272 M180 WINDOW 0 -54 69 Left 0 WINDOW 3 -55 42 Left 0 SYMATTR InstName L1 SYMATTR Value 600µ SYMATTR Type ind SYMATTR SpiceLine Rser=10m SYMBOL ind2 608 160 R180 WINDOW 0 49 70 Left 0 WINDOW 3 45 38 Left 0 SYMATTR InstName L2 SYMATTR Value 110µ SYMATTR Type ind SYMATTR SpiceLine Rser=10m SYMBOL cap 912 32 R0 WINDOW 0 36 19 Left 0 WINDOW 3 37 45 Left 0 SYMATTR InstName CF1 SYMATTR Value 2200µ SYMBOL res 912 112 R0 WINDOW 0 -89 22 Left 0 WINDOW 3 36 69 Left 0 SYMATTR InstName ESRCF1 SYMATTR Value 120m SYMBOL diode 640 16 R180 WINDOW 0 -23 83 Left 0 WINDOW 3 -99 55 Left 0 SYMATTR InstName D5 SYMATTR Value MBR6545 SYMBOL diode 816 16 R180 WINDOW 0 97 22 Left 0 WINDOW 3 27 -2 Left 0 SYMATTR InstName D6 SYMATTR Value MBR6545 SYMBOL diode 608 288 M180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D7 SYMATTR Value MBR6545 SYMBOL diode 784 272 M180 WINDOW 0 -84 83 Left 0 WINDOW 3 -98 59 Left 0 SYMATTR InstName D8 SYMATTR Value MBR6545 SYMBOL res 1184 64 R0 SYMATTR InstName R7 SYMATTR Value 2.7 SYMBOL ind2 -336 352 M180 WINDOW 0 -73 76 Left 0 WINDOW 3 -83 48 Left 0 SYMATTR InstName L6 SYMATTR Value 430µ SYMATTR Type ind SYMATTR SpiceLine Rser=100m SYMBOL ind2 -240 144 R180 WINDOW 0 65 69 Left 0 WINDOW 3 43 44 Left 0 SYMATTR InstName L7 SYMATTR Value 430µ SYMATTR Type ind SYMATTR SpiceLine Rser=10m SYMBOL ind2 -256 448 M0 SYMATTR InstName L8 SYMATTR Value 430µ SYMATTR Type ind SYMATTR SpiceLine Rser=10m SYMBOL VCO2 -592 288 R0 SYMATTR SpiceLine fmin=60k fmax=200k DT=50n SS=50u SYMATTR InstName U3 SYMBOL Digital\\buf1 -448 0 R0 WINDOW 3 0 0 Invisible 0 SYMATTR Value ref =1.5 SYMATTR InstName A1 SYMATTR SpiceLine TD=2N TRISE=10N TFALL=10N SYMATTR Value2 Vhigh = 15 vlow =0 SYMBOL Digital\\buf1 -464 400 R0 WINDOW 3 0 0 Invisible 0 SYMATTR Value ref =1.5 SYMATTR InstName A2 SYMATTR Value2 Vhigh = 15 vlow = 0 SYMATTR SpiceLine TD=2N TRISE=10N TFALL=10N SYMBOL ind 320 192 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L9 SYMATTR Value 100µ SYMATTR SpiceLine Rser=10m SYMBOL cap 368 256 R0 WINDOW 0 -37 11 Left 0 WINDOW 3 -35 45 Left 0 SYMATTR InstName C1 SYMATTR Value 33n SYMBOL 1395\ VCO -160 752 R0 WINDOW 39 -131 -88 Left 0 WINDOW 40 27 -90 Left 0 WINDOW 3 -57 56 Left 0 SYMATTR SpiceLine FMAX =200k SYMATTR SpiceLine2 FMIN = 60k SYMATTR Value 1395MOD SYMATTR InstName U2 SYMBOL nmos 240 -32 R0 SYMATTR InstName M1 SYMATTR Value STW14NK50Z SYMBOL nmos 240 368 R0 SYMATTR InstName M2 SYMATTR Value STW14NK50Z SYMBOL res 800 576 R0 SYMATTR InstName R8 SYMATTR Value 7k SYMBOL res 704 592 R0 SYMATTR InstName R9 SYMATTR Value 62k SYMBOL cap 528 576 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL res 592 576 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R10 SYMATTR Value 100 SYMBOL ampsimp 656 480 M0 WINDOW 38 -66 -58 Left 0 SYMATTR SpiceLine POLE=30 GAIN=30000 VHIGH=2.5V VLOW=100mV SYMATTR InstName U4 SYMBOL voltage 848 448 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 2.5 TEXT 432 280 Left 0 !K1 L1 L2 1 TEXT -336 360 Left 0 !K3 L6 L7 L8 1 TEXT 544 -192 Left 0 !.include application.lib TEXT 544 -216 Left 0 !.tran 0 10m 0 uic TEXT -416 -232 Left 0 !.model STW14NK50Z vdmos (Rg=1.59 Rd=.293 Rs=.116E-01 Vto=4.199 Kp=17.388\n+ Cgd=.328E-08 Cgs=.212E-08 Cjo=.501E-10 Is=.10p Rb=.293) TEXT 328 792 Left 0 !.model MBR6545 D(Is=183.5n Rs=1.6m Ikf=5.736 N=1 Xti=0 Eg=1.11 Cjo=4.498n\n+ M=.478 Vj=.75 Fc=.5 Isr=1.376u Nr=2)\n* Motorola pid=MBR6535 case=DO5\n* 88-09-21 rmn\n*$ TEXT -640 -152 Left 0 ;The simulation file is for appnote AND8255 and if you compare plots I think\nyou will find that they are close.You should read AND8311/D as this explains the\nmodels from Mr.Christophe Basso.This is the start of a 500 watt LLC converter and all\ncomments are welcome