Version 4
SHEET 1 1304 680
WIRE 48 -64 -96 -64
WIRE 176 -64 48 -64
WIRE 304 -64 176 -64
WIRE -96 -48 -96 -64
WIRE 176 -48 176 -64
WIRE 304 -48 304 -64
WIRE 48 0 48 -64
WIRE 64 0 48 0
WIRE 544 0 416 0
WIRE 720 0 624 0
WIRE -96 48 -96 32
WIRE -16 80 -32 80
WIRE 64 80 48 80
WIRE 432 80 416 80
WIRE 512 80 496 80
WIRE 64 160 48 160
WIRE 464 160 416 160
WIRE 672 160 544 160
WIRE 720 160 720 0
WIRE 720 160 672 160
WIRE 816 160 720 160
WIRE 816 208 816 160
WIRE 720 224 720 160
WIRE 528 240 416 240
WIRE 576 240 528 240
WIRE 672 240 672 160
WIRE 672 240 656 240
WIRE 528 256 528 240
WIRE 480 320 416 320
WIRE 480 352 480 320
WIRE 528 352 528 336
WIRE 528 352 480 352
WIRE 720 352 720 288
WIRE 720 352 528 352
WIRE 816 352 816 288
WIRE 816 352 720 352
WIRE 816 368 816 352
WIRE -32 400 -48 400
WIRE 64 400 48 400
WIRE 448 400 416 400
WIRE 448 416 448 400
WIRE 176 464 176 448
WIRE 304 464 304 448
WIRE 448 496 448 480
FLAG -96 48 0
FLAG 176 464 0
FLAG 304 464 0
FLAG -48 400 0
FLAG -32 80 0
FLAG 512 80 0
FLAG 448 496 0
FLAG 816 368 0
FLAG -96 -64 IN
FLAG 816 160 OUT
FLAG 48 160 0
SYMBOL voltage -96 -64 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 64 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 162K
SYMBOL cap 48 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .001µ
SYMBOL cap 432 96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 4.7µ
SYMBOL ind 448 176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value .25µ
SYMBOL res 672 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 512 240 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap 432 416 R0
WINDOW 3 41 32 Left 2
WINDOW 39 23 57 Left 2
SYMATTR Value 1n
SYMATTR SpiceLine Rser=10K
SYMATTR InstName C4
SYMBOL cap 704 224 R0
SYMATTR InstName C5
SYMATTR Value 100µ
SYMBOL res 800 192 R0
SYMATTR InstName Rload
SYMATTR Value 1
SYMBOL PowerProducts\\LTC7150S 240 208 R0
SYMATTR InstName U1
SYMBOL res 640 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10K
TEXT 624 456 Left 2 !.tran 500u startup\n.softstart 0 ; turn off internal softstart