Version 4
SHEET 1 1208 680
WIRE -288 -128 -352 -128
WIRE -272 -128 -288 -128
WIRE -240 -128 -272 -128
WIRE -112 -128 -176 -128
WIRE 32 -128 -112 -128
WIRE 224 -128 128 -128
WIRE 272 -128 224 -128
WIRE 432 -128 272 -128
WIRE 496 -128 432 -128
WIRE 544 -128 496 -128
WIRE 784 -128 544 -128
WIRE 224 -48 224 -128
WIRE 784 -48 784 -128
WIRE -272 -16 -272 -128
WIRE 544 -16 544 -128
WIRE 80 32 80 16
WIRE 224 32 224 16
WIRE 624 32 608 32
WIRE 656 32 624 32
WIRE 784 32 736 32
WIRE -176 64 -176 -128
WIRE -112 80 -112 -48
WIRE -16 80 -112 80
WIRE 16 80 -16 80
WIRE -352 128 -352 -128
WIRE -112 128 -112 80
WIRE 272 144 272 -128
WIRE 432 144 432 -128
WIRE 432 144 368 144
WIRE 544 144 544 80
WIRE 544 144 496 144
WIRE 224 160 224 112
WIRE 224 160 112 160
WIRE 432 160 432 144
WIRE 112 176 112 160
WIRE 112 176 -48 176
WIRE 544 176 544 144
WIRE -16 208 -16 80
WIRE 112 208 112 176
WIRE 144 208 112 208
WIRE -352 272 -352 208
WIRE -272 272 -272 48
WIRE -272 272 -352 272
WIRE -176 272 -176 128
WIRE -176 272 -272 272
WIRE -112 272 -112 224
WIRE -112 272 -176 272
WIRE -16 272 -112 272
WIRE 80 272 80 128
WIRE 80 272 -16 272
WIRE 224 272 224 208
WIRE 224 272 160 272
WIRE 272 272 272 208
WIRE 272 272 224 272
WIRE 368 272 368 224
WIRE 368 272 272 272
WIRE 432 272 432 224
WIRE 432 272 368 272
WIRE 544 272 544 256
WIRE 544 272 432 272
WIRE -352 336 -352 272
FLAG -352 336 0
FLAG 496 -128 out
FLAG -288 -128 in
FLAG 624 32 b
SYMBOL voltage -352 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 -46 74 VRight 2
WINDOW 3 -7 253 Left 2
SYMATTR Value PWL(0 0 200m 20)
SYMATTR InstName V1
SYMBOL cap 416 160 R0
SYMATTR InstName C1
SYMATTR Value 330µ
SYMBOL res 528 160 R0
SYMATTR InstName R1
SYMATTR Value 3.6
SYMBOL res 176 256 R90
WINDOW 0 7 52 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 0.5
SYMBOL pnp 608 80 R180
SYMATTR InstName Q2
SYMATTR Value 2N3906
SYMBOL res 640 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R15
SYMATTR Value 50
SYMBOL cap -288 -16 R0
SYMATTR Value 10µ
SYMATTR InstName C4
SYMATTR SpiceLine V=25 Irms=0 Rser=0.001 Lser=0 mfg="TDK" pn="C575OX7RIE106M" type="X7R"
SYMBOL schottky -160 128 R180
WINDOW 0 24 64 Left 2
WINDOW 3 26 8 Left 2
SYMATTR InstName D2
SYMATTR Value MBRS140
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -240 -112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value MBRS140
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 256 144 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMBOL voltage 784 -64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 -46 74 VRight 2
WINDOW 3 -207 219 Left 2
SYMATTR Value PULSE(0 5 0 50n 50n 2m 5m)
SYMATTR InstName V2
SYMBOL res 352 128 R0
SYMATTR InstName R3
SYMATTR Value 3
SYMBOL pnp 128 -64 M270
SYMATTR InstName Q1
SYMATTR Value D45H11
SYMBOL npn 16 32 R0
SYMATTR InstName Q3
SYMATTR Value 2N3904
SYMBOL npn -48 128 M0
SYMATTR InstName Q4
SYMATTR Value 2N3904
SYMBOL res 64 -80 R0
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL res 128 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 150
SYMBOL res -128 -144 R0
SYMATTR InstName R6
SYMATTR Value 470
SYMBOL cap -32 208 R0
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL zener 240 16 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N750
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 208 16 R0
SYMATTR InstName R7
SYMATTR Value 50
TEXT -24 464 Left 2 !.tran 0.2 startup