Version 4 SHEET 1 2136 900 WIRE 736 -512 80 -512 WIRE 160 -352 160 -400 WIRE 160 -352 -128 -352 WIRE -128 -336 -128 -352 WIRE 160 -256 160 -352 WIRE -128 -240 -128 -256 WIRE 112 -240 -128 -240 WIRE 160 -128 160 -160 WIRE 496 -128 288 -128 WIRE 736 -128 736 -512 WIRE 736 -128 560 -128 WIRE 832 -128 736 -128 WIRE 288 -112 288 -128 WIRE -288 -16 -480 -16 WIRE 160 -16 160 -48 WIRE 160 -16 -208 -16 WIRE 288 -16 288 -32 WIRE 400 -16 288 -16 WIRE 832 -16 832 -128 WIRE 1104 -16 832 -16 WIRE 1120 -16 1104 -16 WIRE 160 0 160 -16 WIRE 288 16 288 -16 WIRE 400 16 400 -16 WIRE 1120 16 1120 -16 WIRE -480 32 -480 -16 WIRE 832 32 832 -16 WIRE 80 80 80 -512 WIRE 80 80 -176 80 WIRE 160 128 160 80 WIRE 288 128 288 96 WIRE 496 128 288 128 WIRE 736 128 736 -128 WIRE 736 128 560 128 WIRE -256 144 -256 80 WIRE 832 144 832 96 WIRE 112 208 -128 208 WIRE -128 224 -128 208 WIRE -256 240 -256 208 WIRE 496 240 288 240 WIRE 736 240 560 240 WIRE 832 240 736 240 WIRE 288 256 288 240 WIRE -128 320 -128 304 WIRE 160 320 160 224 WIRE 160 320 -128 320 WIRE 288 352 288 336 WIRE 400 352 288 352 WIRE 832 352 832 240 WIRE 1120 352 832 352 WIRE 160 384 160 320 WIRE 288 384 288 352 WIRE 400 384 400 352 WIRE 1120 384 1120 352 WIRE 832 400 832 352 WIRE 288 496 288 464 WIRE 496 496 288 496 WIRE 736 496 736 240 WIRE 736 496 560 496 WIRE 832 512 832 464 FLAG 832 144 0 FLAG -480 112 0 FLAG 1120 96 0 FLAG 1104 -16 out FLAG -256 240 0 FLAG 400 16 0 FLAG 160 -400 0 FLAG 160 384 0 FLAG 400 384 0 FLAG 832 512 0 FLAG 1120 464 0 SYMBOL load2 1120 16 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 49 -3 Left 0 SYMATTR Value 1 SYMATTR InstName I1 SYMBOL voltage -480 16 R0 WINDOW 3 -77 40 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 -88 136 Left 0 WINDOW 0 -58 13 Left 0 SYMATTR Value 12 SYMATTR SpiceLine Rser=0.001 SYMATTR InstName V1 SYMBOL polcap 816 32 R0 WINDOW 3 24 64 Left 0 SYMATTR Value 1000µ SYMATTR InstName C2 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=63 Rser=0.1 MTBF=1000 Lser=0 ppPkg=1 SYMBOL schottky -240 208 R180 WINDOW 0 24 72 Left 0 WINDOW 3 52 12 Left 0 SYMATTR InstName D2 SYMATTR Value MBRS360 SYMATTR Description Diode SYMATTR Type diode SYMBOL voltage -128 208 M0 WINDOW 3 -244 152 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 -88 136 Left 0 WINDOW 0 -58 13 Left 0 SYMATTR Value PULSE(0 10 0 1n 1n 3.75us 10us) SYMATTR InstName V2 SYMBOL voltage -128 -240 R180 WINDOW 3 -197 148 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 -88 136 Left 0 WINDOW 0 -58 13 Left 0 SYMATTR Value PULSE(0 10 5u 1n 1n 3.75us 10us) SYMATTR InstName V4 SYMBOL ind2 144 -32 M180 SYMATTR InstName L3 SYMATTR Value 100µ SYMATTR Type ind SYMATTR SpiceLine Rser=.1 SYMBOL ind2 144 96 M180 SYMATTR InstName L4 SYMATTR Value 100µ SYMATTR Type ind SYMATTR SpiceLine Rser=.1 SYMBOL ind2 272 -16 M180 SYMATTR InstName L5 SYMATTR Value 100µ SYMATTR Type ind SYMATTR SpiceLine Rser=.1 SYMBOL schottky 496 -112 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D1 SYMATTR Value MBRS360 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind2 272 112 M180 SYMATTR InstName L6 SYMATTR Value 100µ SYMATTR Type ind SYMATTR SpiceLine Rser=.1 SYMBOL schottky 496 144 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D3 SYMATTR Value MBRS360 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind2 -192 -32 R90 WINDOW 3 -75 64 Left 0 SYMATTR Value 10µ SYMATTR InstName L1 SYMATTR SpiceLine Rser=.001 SYMBOL ind2 -160 96 M270 WINDOW 0 45 5 Left 0 WINDOW 3 -71 29 Left 0 SYMATTR InstName L2 SYMATTR Value 10µ SYMATTR SpiceLine Rser=0.001 SYMBOL nmos 112 -160 M180 SYMATTR InstName M3 SYMATTR Value IRF6691 SYMBOL nmos 112 128 R0 SYMATTR InstName M1 SYMATTR Value IRF6691 SYMBOL ind2 272 352 M180 SYMATTR InstName L7 SYMATTR Value 400µ SYMATTR Type ind SYMATTR SpiceLine Rser=.1 SYMBOL schottky 496 256 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D4 SYMATTR Value MBRS360 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind2 272 480 M180 SYMATTR InstName L8 SYMATTR Value 400µ SYMATTR Type ind SYMATTR SpiceLine Rser=.1 SYMBOL schottky 496 512 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D5 SYMATTR Value MBRS360 SYMATTR Description Diode SYMATTR Type diode SYMBOL load2 1120 384 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 49 -3 Left 0 SYMATTR Value 1 SYMATTR InstName I2 SYMBOL polcap 816 400 R0 WINDOW 3 24 64 Left 0 SYMATTR Value 1000µ SYMATTR InstName C1 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=63 Rser=0.1 MTBF=1000 Lser=0 ppPkg=1 TEXT -208 440 Left 0 !.tran 16ms TEXT -144 -88 Left 0 !k1 L1 L2 1 TEXT 304 -216 Left 0 !k2 l3 l4 l5 l6 l7 l8 1