Version 4 SHEET 1 880 680 WIRE 96 32 -16 32 WIRE 320 32 176 32 WIRE 432 32 384 32 WIRE 448 32 432 32 WIRE 528 32 512 32 WIRE 608 32 528 32 WIRE 320 64 320 32 WIRE 432 64 432 32 WIRE -16 96 -16 32 WIRE 528 96 528 32 WIRE 608 96 608 32 WIRE 272 144 160 144 WIRE -16 224 -16 176 WIRE 320 224 320 160 WIRE 432 224 432 144 WIRE 528 224 528 160 WIRE 608 224 608 176 FLAG -16 224 0 FLAG 432 224 0 FLAG 320 224 0 FLAG 160 224 0 FLAG 528 224 0 FLAG 608 224 0 SYMBOL voltage -16 80 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 18V SYMBOL voltage 160 128 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value PULSE(0 10 0 1n 1n 2u 5u) SYMBOL ind 80 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 130µ SYMBOL nmos 272 64 R0 SYMATTR InstName M1 SYMATTR Value IPB080N03L SYMBOL cap 384 16 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 220n SYMBOL ind 416 48 R0 SYMATTR InstName L2 SYMATTR Value 130µ SYMBOL schottky 448 48 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value SS24 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 512 96 R0 SYMATTR InstName C2 SYMATTR Value 10µ SYMBOL res 592 80 R0 SYMATTR InstName R1 SYMATTR Value 100 TEXT 6 236 Left 2 !.tran 10m