Version 4 SHEET 1 880 680 WIRE 160 -96 128 -96 WIRE 128 -80 128 -96 WIRE -96 96 -176 96 WIRE -32 96 -96 96 WIRE 16 96 -32 96 WIRE 160 96 160 -96 WIRE 160 96 112 96 WIRE 192 96 160 96 WIRE 400 96 272 96 WIRE 560 96 400 96 WIRE 160 112 160 96 WIRE 96 160 96 144 WIRE 128 160 128 0 WIRE 128 160 96 160 WIRE -32 176 -32 160 WIRE 160 176 -32 176 WIRE 400 176 400 160 WIRE 400 176 160 176 WIRE 512 176 400 176 WIRE -176 192 -176 96 WIRE 560 224 560 96 WIRE 640 224 560 224 WIRE 640 272 640 224 WIRE -96 288 -96 96 WIRE -32 288 -96 288 WIRE 16 288 -32 288 WIRE 128 288 112 288 WIRE 160 288 128 288 WIRE 192 288 160 288 WIRE 400 288 272 288 WIRE 560 288 560 224 WIRE 560 288 400 288 WIRE -32 304 -32 288 WIRE 160 304 160 288 WIRE -176 368 -176 272 WIRE -32 368 -176 368 WIRE 160 368 -32 368 WIRE 400 368 400 352 WIRE 400 368 160 368 WIRE 512 368 512 176 WIRE 512 368 400 368 WIRE 640 368 640 352 WIRE 640 368 512 368 WIRE 512 432 512 368 WIRE 96 544 96 336 WIRE -688 560 -688 544 WIRE 128 624 128 288 WIRE 128 624 96 624 FLAG 512 432 0 FLAG -688 560 0 SYMBOL ind 288 80 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName L1 SYMATTR Value 12µ SYMATTR SpiceLine Rser=3m SYMBOL cap 384 96 R0 SYMATTR InstName C1 SYMATTR Value 100µ SYMATTR SpiceLine Rser=0.016 SYMBOL cap -48 96 R0 SYMATTR InstName C2 SYMATTR Value 100µ SYMATTR SpiceLine Rser=0.016 SYMBOL cap -48 304 R0 SYMATTR InstName C3 SYMATTR Value 100µ SYMATTR SpiceLine Rser=0.016 SYMBOL cap 384 288 R0 SYMATTR InstName C4 SYMATTR Value 100µ SYMATTR SpiceLine Rser=0.016 SYMBOL ind 288 272 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName L2 SYMATTR Value 10µ SYMATTR SpiceLine Rser=3m SYMBOL voltage -176 176 R0 WINDOW 123 0 0 Left 2 WINDOW 39 -129 106 Left 2 SYMATTR SpiceLine Rser=0.1 SYMATTR InstName V1 SYMATTR Value 18 SYMBOL nmos 16 144 R270 WINDOW 3 119 -36 VRight 2 SYMATTR Value IRFP2907 SYMATTR InstName M1 SYMBOL nmos 16 336 R270 WINDOW 3 105 -9 VRight 2 SYMATTR InstName M2 SYMATTR Value IRFP2907 SYMBOL schottky 176 176 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -69 -25 Left 2 SYMATTR InstName D1 SYMATTR Value MBRB2545CT SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 176 368 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -61 -22 Left 2 SYMATTR InstName D2 SYMATTR Value MBRB2545CT SYMATTR Description Diode SYMATTR Type diode SYMBOL res 624 256 R0 SYMATTR InstName R1 SYMATTR Value 1 SYMBOL voltage 96 528 R0 WINDOW 3 -391 45 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value PULSE(0 10 0 10n 10n 5u 10u) SYMATTR InstName V3 SYMBOL voltage 128 16 R180 WINDOW 3 55 69 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value PULSE(0 10 5u 10n 10n 5u 10u) SYMATTR InstName V2 TEXT -280 648 Left 2 !.tran 2m