Version 4
SHEET 1 880 680
WIRE 112 80 -48 80
WIRE 288 80 208 80
WIRE 352 80 288 80
WIRE 496 80 432 80
WIRE -48 112 -48 80
WIRE 288 112 288 80
WIRE 496 144 496 80
WIRE 192 192 192 128
WIRE 288 192 288 176
WIRE 288 192 192 192
WIRE 192 224 192 192
WIRE 288 240 288 192
WIRE -48 320 -48 192
WIRE 192 320 192 304
WIRE 192 320 -48 320
WIRE 288 320 288 304
WIRE 288 320 192 320
WIRE 496 320 496 224
WIRE 496 320 288 320
WIRE -48 352 -48 320
FLAG -48 352 0
FLAG -48 80 V_in
FLAG 496 80 V_Load
FLAG 192 192 V_G
FLAG 288 80 V_S
SYMBOL voltage -48 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 15 1)
SYMBOL pmos 112 128 R270
SYMATTR InstName M1
SYMATTR Value Si7409DN
SYMBOL zener 272 176 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MMBZ10VAL
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 208 208 M0
SYMATTR InstName R1
SYMATTR Value 12k
SYMBOL cap 304 240 M0
SYMATTR InstName C1
SYMATTR Value 15n
SYMBOL res 480 128 R0
SYMATTR InstName R2
SYMATTR Value 15
SYMBOL res 448 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1m
TEXT -50 -16 Left 2 !.tran 1