Version 4
SHEET 1 1388 680
WIRE 496 -128 -336 -128
WIRE 1056 -128 496 -128
WIRE -288 -64 -304 -64
WIRE -160 -64 -208 -64
WIRE -112 -64 -160 -64
WIRE 288 -64 240 -64
WIRE 400 -64 368 -64
WIRE 496 -64 496 -128
WIRE 1056 -64 1056 -128
WIRE -704 32 -1440 32
WIRE -624 32 -704 32
WIRE -336 32 -336 -128
WIRE -336 32 -368 32
WIRE -112 32 -336 32
WIRE 496 32 496 16
WIRE 496 32 240 32
WIRE -1440 48 -1440 32
WIRE -336 48 -336 32
WIRE -704 128 -704 32
WIRE -112 128 -128 128
WIRE 416 128 240 128
WIRE 800 128 496 128
WIRE 912 128 880 128
WIRE -1440 144 -1440 128
WIRE -336 144 -336 112
WIRE -496 160 -496 128
WIRE -704 224 -704 208
WIRE -112 224 -704 224
WIRE 1056 224 1056 16
WIRE 1056 224 240 224
WIRE -704 240 -704 224
WIRE -704 336 -704 320
FLAG -128 128 0
FLAG -160 -64 OUT
FLAG -1440 144 0
FLAG -336 144 0
FLAG -496 160 0
FLAG -1440 32 IN
FLAG 400 -64 0
FLAG -304 -64 0
FLAG -704 336 0
FLAG 912 128 0
SYMBOL cap -352 48 R0
SYMATTR InstName C1
SYMATTR Value 22µ
SYMBOL PowerProducts\\LT1086-5 -496 32 R0
SYMATTR InstName U1
SYMBOL VOLTAGE 272 -64 R270
WINDOW 123 -53 56 VBottom 2
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V1
SYMATTR Value 3
SYMATTR SpiceLine Rser=10m
SYMBOL res -720 112 R0
SYMATTR InstName R1
SYMATTR Value 51K
SYMBOL res -720 224 R0
SYMATTR InstName R2
SYMATTR Value 20K
SYMBOL res 1040 -80 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 480 -80 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL LTC692 64 96 R0
SYMATTR InstName U2
SYMBOL VOLTAGE 400 128 R270
WINDOW 123 -53 56 VBottom 2
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 2 0 1u 1u 20m 40m 6)
SYMATTR SpiceLine Rser=0.1
SYMBOL VOLTAGE 784 128 R270
WINDOW 123 -53 56 VBottom 2
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 2 0.4 1u 1u 20m 40m)
SYMATTR SpiceLine Rser=0.1
SYMBOL VOLTAGE -1440 32 R0
WINDOW 123 24 117 Left 2
SYMATTR Value PWL(0 0 25u 7.5 510m 7.5 +1u 2 +50m 2 +1u 7.5)
SYMATTR InstName V4
SYMATTR SpiceLine Rser=10m
SYMBOL res -192 -80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rload
SYMATTR Value 100
TEXT 848 280 Left 2 !.tran 0.7