Version 4 SHEET 1 880 744 WIRE -1088 448 -1088 432 WIRE -1088 544 -1088 528 WIRE -1088 704 -1088 624 WIRE -1024 432 -1088 432 WIRE -944 224 -944 144 WIRE -944 384 -944 304 WIRE -944 704 -1088 704 WIRE -944 704 -944 480 WIRE -832 144 -944 144 WIRE -832 224 -832 144 WIRE -832 704 -944 704 WIRE -832 704 -832 304 WIRE -736 144 -832 144 WIRE -736 224 -736 144 WIRE -736 704 -832 704 WIRE -736 704 -736 288 WIRE -624 144 -736 144 WIRE -624 208 -624 144 WIRE -624 416 -624 288 WIRE -624 528 -624 416 WIRE -624 704 -736 704 WIRE -624 704 -624 608 WIRE -368 416 -624 416 WIRE -368 416 -368 352 WIRE -336 352 -368 352 WIRE -208 704 -624 704 WIRE -208 704 -208 288 WIRE -176 576 -176 480 WIRE -176 608 -176 576 WIRE -176 704 -208 704 WIRE -176 704 -176 672 WIRE -144 288 -208 288 WIRE -144 352 -256 352 WIRE -144 416 -368 416 WIRE -144 480 -176 480 WIRE -16 704 -176 704 WIRE 0 576 -176 576 WIRE 48 144 -624 144 WIRE 112 352 80 352 WIRE 112 480 80 480 WIRE 112 576 80 576 WIRE 112 576 112 480 WIRE 112 608 112 576 WIRE 112 704 -16 704 WIRE 112 704 112 672 WIRE 192 416 80 416 WIRE 192 480 192 416 WIRE 192 544 192 480 WIRE 192 704 112 704 WIRE 192 704 192 608 WIRE 208 480 192 480 WIRE 224 352 192 352 WIRE 304 144 112 144 WIRE 304 304 304 144 WIRE 304 480 288 480 WIRE 304 480 304 400 WIRE 304 544 304 480 WIRE 304 704 192 704 WIRE 304 704 304 624 WIRE 368 144 304 144 WIRE 640 144 448 144 WIRE 640 288 80 288 WIRE 640 288 640 144 WIRE 640 368 640 288 WIRE 640 704 304 704 WIRE 640 704 640 448 FLAG -16 704 0 SYMBOL res 96 560 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL cap 96 608 R0 SYMATTR InstName C1 SYMATTR Value 1n SYMBOL cap -192 608 R0 SYMATTR InstName C2 SYMATTR Value 0.33µ SYMBOL res 288 528 R0 SYMATTR InstName R2 SYMATTR Value 1 SYMBOL EXTRA\\IRF\\NMOS\\irf620 272 352 R0 SYMATTR InstName U1 SYMBOL res 96 336 M90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 10 SYMBOL schottky 112 128 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D1 SYMATTR Value 1N5819 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap -752 224 R0 SYMATTR InstName C3 SYMATTR Value 330µ SYMATTR SpiceLine V=35 Irms=1.98 Rser=0.029 MTBF=5000 Lser=0 ppPkg=1 SYMBOL ind 352 160 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 100µ SYMBOL voltage 640 352 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL res -848 208 R0 SYMATTR InstName R4 SYMATTR Value 1k SYMBOL res -640 192 R0 SYMATTR InstName R5 SYMATTR Value 6k SYMBOL res -640 512 R0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL res -240 336 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R7 SYMATTR Value 33k SYMBOL EXTRA\\UC\\UC384xA\\UC3845A -32 384 R0 SYMATTR InstName X1 SYMBOL cap 176 544 R0 SYMATTR InstName C5 SYMATTR Value 510p SYMBOL res 304 464 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R8 SYMATTR Value 1k SYMBOL EXTRA\\IRF\\NMOS\\irf620 -976 432 R0 SYMATTR InstName U2 SYMBOL voltage -1088 528 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 12 5mu 100n 100n 5m 10m) SYMBOL res -960 208 R0 SYMATTR InstName R9 SYMATTR Value 100 SYMBOL res -1104 432 R0 SYMATTR InstName R10 SYMATTR Value 10 TEXT -562 728 Left 0 !.tran 100m