Version 4
SHEET 1 1284 696
WIRE 272 0 80 0
WIRE 752 0 432 0
WIRE 80 16 80 0
WIRE 272 32 272 0
WIRE 432 32 432 0
WIRE 80 112 80 96
WIRE 208 112 192 112
WIRE 512 112 496 112
WIRE 608 112 592 112
WIRE 640 112 608 112
WIRE 752 112 752 0
WIRE 752 112 720 112
WIRE 864 112 752 112
WIRE 976 112 864 112
WIRE 752 128 752 112
WIRE 864 128 864 112
WIRE 976 128 976 112
WIRE 608 176 608 112
WIRE 608 176 496 176
WIRE 608 192 608 176
WIRE 864 224 864 192
WIRE 976 224 976 208
WIRE 16 240 -16 240
WIRE 144 240 96 240
WIRE 208 240 144 240
WIRE 544 240 496 240
WIRE 752 240 752 208
WIRE 752 240 720 240
WIRE 752 256 752 240
WIRE -16 272 -16 240
WIRE 144 272 144 240
WIRE 608 272 608 256
WIRE 544 304 544 240
WIRE 720 304 720 240
WIRE 720 304 544 304
WIRE 352 336 352 320
WIRE 752 352 752 336
WIRE -16 368 -16 336
WIRE 144 368 144 336
FLAG 352 336 0
FLAG 608 272 0
FLAG -16 368 0
FLAG 144 368 0
FLAG 752 352 0
FLAG 864 224 0
FLAG 80 112 0
FLAG 976 224 0
FLAG 976 112 OUT
FLAG 80 0 IN
SYMBOL POWERPRODUCTS\\LT1777 352 176 R0
SYMATTR InstName U1
SYMBOL VOLTAGE 80 0 R0
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL ind 624 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 220µ
SYMBOL ind 496 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 1µ
SYMBOL schottky 592 256 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5819
SYMBOL cap -32 272 R0
SYMATTR InstName C1
SYMATTR Value 2200p
SYMBOL cap 128 272 R0
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL polcap 848 128 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=0.1
SYMBOL RES 112 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 12K
SYMBOL res 736 112 R0
SYMATTR InstName R2
SYMATTR Value 36.5K
SYMBOL res 736 240 R0
SYMATTR InstName R3
SYMATTR Value 12.1K
SYMBOL res 960 112 R0
SYMATTR InstName Rload
SYMATTR Value 10
TEXT 488 400 Left 2 !.tran 1.5m startup