Version 4
SHEET 1 2180 704
WIRE 432 -304 80 -304
WIRE 512 -304 432 -304
WIRE 560 -304 512 -304
WIRE 704 -304 656 -304
WIRE 848 -304 704 -304
WIRE 944 -304 848 -304
WIRE 1088 -304 944 -304
WIRE 1216 -304 1088 -304
WIRE 704 -288 704 -304
WIRE 848 -288 848 -304
WIRE 1216 -272 1216 -304
WIRE 80 -256 80 -304
WIRE 1088 -208 1088 -304
WIRE 432 -192 432 -304
WIRE 704 -192 704 -208
WIRE 752 -192 704 -192
WIRE 1328 -192 1264 -192
WIRE 1392 -192 1328 -192
WIRE 704 -176 704 -192
WIRE 848 -176 848 -208
WIRE 944 -176 944 -304
WIRE 1216 -176 1216 -192
WIRE 1392 -176 1392 -192
WIRE 1264 -160 1264 -192
WIRE 1328 -160 1328 -192
WIRE 80 -144 80 -176
WIRE 512 -128 512 -304
WIRE 608 -128 608 -240
WIRE 704 -80 704 -96
WIRE 1264 -80 1264 -112
WIRE 1392 -80 1392 -96
WIRE 1392 -80 1264 -80
WIRE 848 -64 848 -112
WIRE 944 -64 944 -112
WIRE 432 -32 432 -112
WIRE 560 -32 560 -64
WIRE 560 -32 432 -32
WIRE 1088 -32 1088 -128
WIRE 1088 -32 1024 -32
WIRE 1216 -32 1216 -96
WIRE 1216 -32 1088 -32
WIRE 1088 -16 1088 -32
WIRE 1088 80 1088 64
WIRE -80 128 -80 112
WIRE 64 128 64 112
WIRE 240 144 224 144
WIRE 352 144 320 144
WIRE 560 176 560 -32
WIRE 656 176 560 176
WIRE -80 224 -80 208
WIRE -48 224 -80 224
WIRE 64 224 64 208
WIRE 96 224 64 224
WIRE -80 240 -80 224
WIRE 64 240 64 224
WIRE 224 240 224 144
WIRE 256 240 224 240
WIRE 352 240 320 240
WIRE 560 240 560 176
WIRE 656 240 656 176
WIRE 864 240 832 240
WIRE 960 240 928 240
WIRE 992 240 960 240
WIRE 1104 240 1072 240
WIRE 496 288 464 288
WIRE 752 288 720 288
WIRE -80 336 -80 320
WIRE 64 336 64 320
WIRE 288 368 288 352
WIRE 896 368 896 352
WIRE 224 384 224 240
WIRE 256 384 224 384
WIRE 960 384 960 240
WIRE 960 384 928 384
WIRE 352 400 352 240
WIRE 352 400 320 400
WIRE 400 400 352 400
WIRE 560 400 560 336
WIRE 560 400 480 400
WIRE 656 400 656 336
WIRE 720 400 656 400
WIRE 832 400 832 240
WIRE 832 400 800 400
WIRE 864 400 832 400
WIRE 128 416 64 416
WIRE 256 416 208 416
WIRE 992 416 928 416
WIRE 1120 416 1072 416
WIRE 1120 432 1120 416
WIRE -80 448 -80 432
WIRE 64 448 64 416
WIRE 288 448 288 432
WIRE 896 448 896 432
WIRE 1120 528 1120 512
WIRE -80 544 -80 528
WIRE 64 544 64 528
FLAG 288 448 0
FLAG -80 432 VCC
FLAG 288 352 VCC
FLAG 896 352 VCC
FLAG -80 544 0
FLAG 64 544 0
FLAG 896 448 0
FLAG 1120 528 0
FLAG 80 -144 0
FLAG 704 -80 0
FLAG 848 -64 0
FLAG 752 -192 vout
IOPIN 752 -192 Out
FLAG 352 144 vout
IOPIN 352 144 In
FLAG 1088 80 0
FLAG 1024 -32 iout
IOPIN 1024 -32 Out
FLAG 1104 240 iout
IOPIN 1104 240 In
FLAG 1328 -160 0
FLAG 1088 -304 OUT+
FLAG 944 -64 0
FLAG -80 336 0
FLAG 64 336 0
FLAG -80 112 VCC
FLAG 64 112 VCC
FLAG -48 224 b1
FLAG 96 224 b2
FLAG 464 288 b1
FLAG 752 288 b2
SYMBOL opa340 288 336 R0
SYMATTR InstName U1
SYMBOL opa340 896 336 M0
SYMATTR InstName U2
SYMBOL voltage -80 432 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL cap 320 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL res 224 400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 4k7
SYMBOL voltage 64 432 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 0.6465
SYMBOL cap 928 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL res 1088 400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 4k7
SYMBOL voltage 1120 416 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 0.8
SYMBOL npn 560 -240 R270
SYMATTR InstName Q3
SYMATTR Value 2N3055
SYMBOL res 416 -208 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL voltage 80 -272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 35
SYMBOL res 688 -304 R0
SYMATTR InstName R7
SYMATTR Value 68k
SYMBOL res 688 -192 R0
SYMATTR InstName R8
SYMATTR Value 4k7
SYMBOL cap 832 -176 R0
SYMATTR InstName C5
SYMATTR Value 330µ
SYMATTR SpiceLine Rser=0
SYMBOL res 1072 -32 R0
SYMATTR InstName R-SHUNT
SYMATTR Value 0.5
SYMBOL res 1200 -288 R0
SYMATTR InstName R10
SYMATTR Value 5
SYMBOL sw 1216 -192 M0
SYMATTR InstName S1
SYMBOL voltage 1392 -80 M180
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -389 -209 Left 2
SYMATTR InstName V5
SYMATTR Value PULSE(0 1 0 10n 10n 5m 10m)
SYMBOL res 1072 -224 R0
SYMATTR InstName R11
SYMATTR Value 100
SYMBOL npn 512 -64 R270
SYMATTR InstName Q4
SYMATTR Value BC817-40
SYMBOL npn 496 240 R0
WINDOW 3 -53 -14 Left 2
SYMATTR InstName Q1
SYMATTR Value BC847C
SYMBOL npn 720 240 M0
WINDOW 3 -51 -16 Left 2
SYMATTR InstName Q2
SYMATTR Value BC847C
SYMBOL res 816 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 150
SYMBOL res 496 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 150
SYMBOL res 832 -304 R0
SYMATTR InstName R-ESR
SYMATTR Value 0.02
SYMBOL cap 928 -176 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL res -96 224 R0
SYMATTR InstName R9
SYMATTR Value 470
SYMBOL res -96 112 R0
SYMATTR InstName R13
SYMATTR Value 470
SYMBOL res 48 112 R0
SYMATTR InstName R14
SYMATTR Value 470
SYMBOL res 48 224 R0
SYMATTR InstName R15
SYMATTR Value 470
SYMBOL res 976 256 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 4k7
SYMBOL res 224 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 4k7
TEXT -72 688 Left 2 !.tran 0 100m 0 10u startup
TEXT -72 648 Left 2 !.model SW VSWITCH Roff=1e6 Ron=1m Voff=0.0 Von=1.0