Version 4
SHEET 1 880 680
WIRE -64 -16 -176 -16
WIRE 144 -16 -64 -16
WIRE -176 0 -176 -16
WIRE 48 32 32 32
WIRE 144 32 144 -16
WIRE 144 32 128 32
WIRE 160 32 144 32
WIRE 256 32 240 32
WIRE 336 32 256 32
WIRE 464 32 400 32
WIRE 32 80 32 32
WIRE 144 80 144 32
WIRE 256 80 256 32
WIRE -176 96 -176 80
WIRE -64 160 -64 -16
WIRE -16 160 -64 160
WIRE 464 160 464 32
WIRE 464 160 304 160
WIRE 464 208 464 160
WIRE 336 224 320 224
WIRE 432 224 400 224
WIRE -272 240 -416 240
WIRE -208 240 -272 240
WIRE -80 240 -208 240
WIRE -16 240 -80 240
WIRE -416 256 -416 240
WIRE -272 256 -272 240
WIRE -208 320 -208 240
WIRE -192 320 -208 320
WIRE -80 320 -80 304
WIRE -80 320 -112 320
WIRE -16 320 -80 320
WIRE 320 320 320 224
WIRE 320 320 304 320
WIRE 336 320 320 320
WIRE 432 320 432 224
WIRE 432 320 416 320
WIRE 464 320 464 288
WIRE 464 320 432 320
WIRE 544 320 464 320
WIRE 464 336 464 320
WIRE 544 336 544 320
WIRE -416 352 -416 336
WIRE -272 352 -272 320
WIRE 32 416 32 400
WIRE 144 416 144 400
WIRE 256 416 256 400
WIRE 464 432 464 400
WIRE 544 432 544 416
FLAG 144 416 0
FLAG 32 480 0
FLAG 256 480 0
FLAG -272 352 0
FLAG -176 96 0
FLAG 464 432 0
FLAG 544 432 0
FLAG -416 352 0
FLAG -176 -16 IN
FLAG -416 240 OUT1
FLAG 544 320 OUT2
SYMBOL PowerProducts\\LT3472 144 240 R0
SYMATTR InstName U1
SYMBOL ind 144 48 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 22µ
SYMBOL ind2 144 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 47µ
SYMATTR Type ind
SYMBOL ind2 448 304 M180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L3
SYMATTR Value 47µ
SYMATTR Type ind
SYMBOL cap 16 416 R0
WINDOW 3 30 52 Left 2
SYMATTR Value 10n
SYMATTR InstName C1
SYMBOL cap 240 416 R0
WINDOW 3 30 52 Left 2
SYMATTR Value 10n
SYMATTR InstName C2
SYMBOL res -96 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 550K
SYMBOL cap -96 240 R0
WINDOW 0 34 16 Left 2
WINDOW 3 29 52 Left 2
SYMATTR InstName C3
SYMATTR Value 4.7p
SYMBOL cap -288 256 R0
SYMATTR InstName C4
SYMATTR Value 2.2µ
SYMBOL res 432 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 320K
SYMBOL cap 400 208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 10p
SYMBOL voltage -176 -16 R0
WINDOW 3 29 92 Left 2
SYMATTR Value 3.6
SYMATTR InstName V1
SYMBOL cap 448 336 R0
SYMATTR InstName C6
SYMATTR Value 2.2µ
SYMBOL res 528 320 R0
SYMATTR InstName Rload2
SYMATTR Value 160
SYMBOL res -432 240 R0
SYMATTR InstName Rload1
SYMATTR Value 750
SYMBOL cap 400 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 1µ
TEXT -288 448 Left 2 !.tran 1.5m startup
TEXT 344 -48 Left 2 !K1 L2 L3 1