Version 4
SHEET 1 916 680
WIRE -16 -96 -288 -96
WIRE 176 -96 -16 -96
WIRE -288 -64 -288 -96
WIRE 176 -32 176 -96
WIRE 176 48 176 32
WIRE 400 48 176 48
WIRE 624 48 400 48
WIRE 800 48 624 48
WIRE 896 48 800 48
WIRE -288 64 -288 16
WIRE 176 64 176 48
WIRE 176 64 -288 64
WIRE 896 80 896 48
WIRE 400 112 400 48
WIRE 624 112 624 48
WIRE -288 128 -288 64
WIRE -16 144 -16 -96
WIRE 400 224 400 192
WIRE 400 224 112 224
WIRE 800 240 800 48
WIRE 624 288 624 192
WIRE 624 288 112 288
WIRE 624 336 624 288
WIRE 304 352 112 352
WIRE 400 352 400 224
WIRE -16 448 -16 432
WIRE 304 448 304 416
WIRE 304 448 -16 448
WIRE 400 448 400 416
WIRE 400 448 304 448
WIRE 624 448 624 416
WIRE 624 448 400 448
WIRE 800 448 800 304
WIRE 800 448 624 448
WIRE 880 448 800 448
FLAG 896 80 0
FLAG -288 128 0
SYMBOL RES 608 320 R0
SYMATTR InstName R1
SYMATTR Value 1.82k
SYMBOL RES 608 96 R0
SYMATTR InstName R2
SYMATTR Value 2.74k
SYMBOL IND 384 96 R0
WINDOW 0 45 50 Left 2
SYMATTR InstName L1
SYMATTR Value 25µ
SYMBOL schottky 384 416 M180
WINDOW 0 31 63 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MBR745
SYMBOL POLCAP 784 240 R0
SYMATTR InstName C1
SYMATTR Value 1000µ
SYMATTR SpiceLine Rser=0.07
SYMBOL cap 288 352 R0
SYMATTR InstName C2
SYMATTR Value 0.1µ
SYMBOL PowerProducts\\LT1074 -16 288 R0
SYMATTR InstName U1
SYMBOL polcap 160 -32 R0
SYMATTR InstName C3
SYMATTR Value 220µ
SYMBOL voltage -288 32 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 24
TEXT -150 508 Left 2 !.tran 10 startup