Version 4
SHEET 1 1208 712
WIRE -128 -112 -224 -112
WIRE -48 -112 -128 -112
WIRE 32 -112 -48 -112
WIRE 544 -112 496 -112
WIRE -224 -96 -224 -112
WIRE 544 -96 544 -112
WIRE -48 -16 -48 -112
WIRE 32 -16 -48 -16
WIRE 544 -16 544 -32
WIRE 544 -16 496 -16
WIRE 640 -16 544 -16
WIRE 832 -16 720 -16
WIRE 880 -16 832 -16
WIRE 960 -16 880 -16
WIRE 992 -16 960 -16
WIRE 1088 -16 992 -16
WIRE -224 0 -224 -16
WIRE 544 0 544 -16
WIRE 992 0 992 -16
WIRE 1088 0 1088 -16
WIRE 880 64 880 -16
WIRE -128 80 -128 -112
WIRE -96 80 -128 80
WIRE 32 80 -16 80
WIRE 544 80 544 64
WIRE 544 80 496 80
WIRE 736 80 704 80
WIRE 832 80 832 -16
WIRE 832 80 800 80
WIRE 992 96 992 64
WIRE 1088 96 1088 80
WIRE 704 176 704 80
WIRE 704 176 496 176
WIRE 768 176 704 176
WIRE 880 176 880 144
WIRE 880 176 848 176
WIRE 32 224 -16 224
WIRE 592 224 576 224
WIRE 704 224 704 176
WIRE 704 224 672 224
WIRE 544 272 496 272
WIRE 960 272 960 -16
WIRE 960 272 544 272
WIRE -96 368 -112 368
WIRE 32 368 -16 368
WIRE 544 368 544 272
WIRE 544 368 496 368
WIRE 880 416 880 176
WIRE 880 416 544 416
WIRE -80 464 -224 464
WIRE 32 464 -80 464
WIRE 592 464 496 464
WIRE 672 464 592 464
WIRE 768 464 672 464
WIRE -224 480 -224 464
WIRE -80 480 -80 464
WIRE 672 480 672 464
WIRE 768 480 768 464
WIRE 32 560 -16 560
WIRE 544 560 544 416
WIRE 544 560 496 560
WIRE -224 576 -224 560
WIRE -80 576 -80 544
WIRE 672 576 672 544
WIRE 768 576 768 560
WIRE 160 640 160 624
WIRE 352 640 352 624
WIRE -16 688 -16 560
WIRE 592 688 592 464
WIRE 592 688 -16 688
FLAG 160 640 0
FLAG 352 640 0
FLAG -224 0 0
FLAG -112 368 0
FLAG -80 576 0
FLAG -224 576 0
FLAG 672 576 0
FLAG 768 576 0
FLAG 576 224 0
FLAG 992 96 0
FLAG 1088 96 0
FLAG -224 -112 IN1
FLAG 1088 -16 OUT1
FLAG -224 464 OUT2
FLAG 768 464 OUT3
FLAG -16 224 0
SYMBOL voltage -224 -112 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 0 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 174K
SYMBOL cap -96 480 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=10m
SYMBOL res 864 48 R0
SYMATTR InstName R5
SYMATTR Value 232K
SYMBOL cap 656 480 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=10m
SYMBOL ind 624 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 27µ
SYMATTR SpiceLine Rser=50m
SYMBOL schottky 528 64 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 864 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 931K
SYMBOL res 688 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 294K
SYMBOL cap 528 -96 R0
SYMATTR InstName C3
SYMATTR Value 0.22µ
SYMBOL cap 800 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 22p
SYMBOL cap 976 0 R0
SYMATTR InstName C5
SYMATTR Value 22µ
SYMATTR SpiceLine Rser=10m
SYMBOL res 1072 -16 R0
SYMATTR InstName Rload1
SYMATTR Value 120
SYMBOL res -240 464 R0
SYMATTR InstName Rload2
SYMATTR Value 36
SYMBOL res 752 464 R0
SYMATTR InstName Rload3
SYMATTR Value 62
SYMBOL LT3668 256 224 R0
SYMATTR InstName U1
SYMBOL res 0 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 200K
TEXT 664 648 Left 2 !.tran 1m startup