Version 4
SHEET 1 1072 936
WIRE 144 -368 -64 -368
WIRE 768 -368 144 -368
WIRE 464 -336 336 -336
WIRE 544 -336 464 -336
WIRE 144 -320 144 -368
WIRE 336 -320 336 -336
WIRE 544 -320 544 -336
WIRE -64 -256 -64 -368
WIRE 32 -256 -64 -256
WIRE 464 -256 464 -336
WIRE 464 -256 448 -256
WIRE -64 -240 -64 -256
WIRE 544 -224 544 -240
WIRE -64 -160 -64 -176
WIRE 32 -160 -64 -160
WIRE 496 -160 448 -160
WIRE 560 -160 496 -160
WIRE 768 -160 768 -368
WIRE 768 -160 624 -160
WIRE -64 -144 -64 -160
WIRE 496 -144 496 -160
WIRE -64 -64 -64 -80
WIRE -64 -64 -192 -64
WIRE 32 -64 -64 -64
WIRE 496 -64 496 -80
WIRE 496 -64 448 -64
WIRE 608 -64 496 -64
WIRE -192 -48 -192 -64
WIRE -64 -48 -64 -64
WIRE 496 -48 496 -64
WIRE 608 -48 608 -64
WIRE -192 32 -192 16
WIRE 32 32 -64 32
WIRE 496 32 448 32
WIRE 608 32 608 16
WIRE -288 128 -416 128
WIRE -208 128 -288 128
WIRE -96 128 -208 128
WIRE 32 128 -96 128
WIRE 576 128 448 128
WIRE 640 128 576 128
WIRE 768 128 768 -160
WIRE 768 128 640 128
WIRE 880 128 768 128
WIRE -416 144 -416 128
WIRE -288 144 -288 128
WIRE -96 144 -96 128
WIRE 768 144 768 128
WIRE 880 144 880 128
WIRE -208 224 -208 208
WIRE -96 224 -96 208
WIRE -96 224 -208 224
WIRE 32 224 -96 224
WIRE 480 224 448 224
WIRE 608 224 480 224
WIRE 640 224 640 208
WIRE 640 224 608 224
WIRE -416 240 -416 224
WIRE -288 240 -288 208
WIRE -208 240 -208 224
WIRE 640 240 640 224
WIRE 768 240 768 208
WIRE 880 240 880 224
WIRE 32 320 -128 320
WIRE 480 320 480 224
WIRE 480 320 448 320
WIRE -208 336 -208 320
WIRE 640 336 640 320
WIRE 32 416 16 416
WIRE 480 416 448 416
WIRE 576 416 576 128
WIRE 576 416 560 416
WIRE -64 512 -80 512
WIRE 16 512 16 416
WIRE 16 512 0 512
WIRE 32 512 16 512
WIRE 464 512 448 512
WIRE 560 512 528 512
WIRE -288 608 -320 608
WIRE 32 608 -224 608
WIRE 704 608 448 608
WIRE 800 608 768 608
WIRE -64 704 -80 704
WIRE 32 704 16 704
WIRE 464 704 448 704
WIRE 560 704 544 704
WIRE 144 784 144 768
WIRE 240 784 240 768
WIRE 336 784 336 768
WIRE 144 880 144 864
WIRE 336 880 336 864
WIRE -128 912 -128 320
WIRE 608 912 608 224
WIRE 608 912 -128 912
FLAG 240 784 0
FLAG 144 880 0
FLAG 544 -224 0
FLAG 608 32 0
FLAG 640 336 0
FLAG 800 608 0
FLAG 560 512 0
FLAG 560 704 0
FLAG 768 240 0
FLAG 880 240 0
FLAG 880 128 OUT1
FLAG 544 -336 IN
FLAG -192 32 0
FLAG -208 336 0
FLAG -320 608 0
FLAG -80 512 0
FLAG -288 240 0
FLAG -416 240 0
FLAG -416 128 OUT2
FLAG 336 880 0
FLAG -80 704 0
SYMBOL res 128 768 R0
SYMATTR InstName R1
SYMATTR Value 48.7K
SYMBOL voltage 544 -336 R0
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL ind 480 -64 R0
SYMATTR InstName L1
SYMATTR Value 22µ
SYMATTR SpiceLine Rser=10m
SYMBOL schottky 592 16 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value B520C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 480 -80 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL schottky 624 -144 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 624 112 R0
SYMATTR InstName R2
SYMATTR Value 113K
SYMBOL res 624 224 R0
SYMATTR InstName R3
SYMATTR Value 8.06K
SYMBOL cap 704 624 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -21 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 680p
SYMATTR SpiceLine Rser=15K Cpar=33p
SYMBOL cap 464 528 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value .01µ
SYMBOL res 448 720 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL cap 752 144 R0
WINDOW 3 24 64 Left 2
WINDOW 123 24 92 Left 2
SYMATTR Value 47µ
SYMATTR InstName C4
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
SYMBOL res 864 128 R0
SYMATTR InstName Rload1
SYMATTR Value 12
SYMBOL ind -48 -64 M0
WINDOW 0 2 31 Right 2
WINDOW 3 -1 66 Right 2
SYMATTR InstName L2
SYMATTR Value 2.2µ
SYMATTR SpiceLine Rser=50m
SYMBOL schottky -208 16 M180
WINDOW 0 34 60 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value B520C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -224 112 R0
SYMATTR InstName R5
SYMATTR Value 42.2K
SYMBOL res -224 224 R0
SYMATTR InstName R6
SYMATTR Value 8.06K
SYMBOL cap -224 624 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -21 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value 680p
SYMATTR SpiceLine Rser=10K Cpar=33p
SYMBOL cap 0 528 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C7
SYMATTR Value .01µ
SYMBOL polcap -304 144 R0
WINDOW 3 24 64 Left 2
WINDOW 123 24 92 Left 2
SYMATTR Value 47µ
SYMATTR InstName C8
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=1.5 Rser=0.04 Lser=0 mfg="KEMET" pn="T520B476M006ASE040" type="Tantalum"
SYMBOL res -432 128 R0
SYMATTR InstName Rload2
SYMATTR Value 2.5
SYMBOL res 576 400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL res 320 768 R0
SYMATTR InstName R8
SYMATTR Value 102K
SYMBOL res 32 720 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 60.4K
SYMBOL cap -112 144 R0
SYMATTR InstName C9
SYMATTR Value 47p
SYMBOL cap -80 -80 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C5
SYMATTR Value .1µ
SYMBOL schottky -80 -240 R0
SYMATTR InstName D4
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL PowerProducts\\LT3992 240 224 R0
SYMATTR InstName U1
TEXT 696 464 Left 2 !.tran 1.5m startup