Version 4
SHEET 1 880 680
WIRE 288 -32 80 -32
WIRE 432 -32 288 -32
WIRE 432 -16 432 -32
WIRE 288 0 288 -32
WIRE 288 0 240 0
WIRE 336 0 288 0
WIRE 240 32 240 0
WIRE 336 48 336 0
WIRE 432 80 432 64
WIRE 240 144 240 112
WIRE 288 144 240 144
WIRE 336 144 336 112
WIRE 336 144 288 144
WIRE 80 176 80 -32
WIRE 208 176 80 176
WIRE 288 176 288 144
WIRE 368 176 288 176
WIRE 288 208 288 176
WIRE 288 208 0 208
WIRE 80 224 80 176
WIRE 288 224 288 208
WIRE 0 304 0 208
WIRE 32 304 0 304
WIRE 208 304 208 176
WIRE 240 304 208 304
WIRE 176 320 80 320
WIRE 192 320 176 320
WIRE 288 320 192 320
WIRE 176 384 176 320
WIRE 176 480 176 464
FLAG 176 480 0
FLAG 432 80 0
FLAG 208 176 1
FLAG 368 176 2
FLAG 192 320 3
SYMBOL ind 224 16 R0
SYMATTR InstName L2
SYMATTR Value 300µ
SYMBOL cap 320 48 R0
SYMATTR InstName C2
SYMATTR Value 33nF
SYMBOL nmos 240 224 R0
SYMATTR InstName M1
SYMATTR Value NMOS1
SYMBOL nmos 32 224 R0
SYMATTR InstName M3
SYMATTR Value NMOS1
SYMBOL voltage 432 -32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 160 368 R0
SYMATTR InstName R1
SYMATTR Value 1k
TEXT 328 416 Left 2 !.tran 0 5ms 0 startup
TEXT 328 376 Left 2 !.model NMOS1 NMOS(KP=1m)
TEXT 328 448 Left 2 ;.ic I(L1)=1m