Version 4
SHEET 1 1044 680
WIRE 352 -64 -16 -64
WIRE 576 -64 352 -64
WIRE 688 -64 624 -64
WIRE 816 -64 752 -64
WIRE 944 -64 816 -64
WIRE 352 -48 352 -64
WIRE 576 -48 576 -64
WIRE 624 -48 624 -64
WIRE 816 -48 816 -64
WIRE 944 -48 944 -64
WIRE -16 48 -16 -64
WIRE 64 48 -16 48
WIRE 80 48 64 48
WIRE 352 48 352 16
WIRE 352 48 304 48
WIRE 576 48 576 32
WIRE 576 48 352 48
WIRE 624 48 624 32
WIRE 816 48 816 16
WIRE 816 48 624 48
WIRE 944 48 944 32
WIRE 944 48 816 48
WIRE -16 64 -16 48
WIRE 352 64 352 48
WIRE 944 64 944 48
WIRE 64 144 64 48
WIRE 80 144 64 144
WIRE 352 144 304 144
WIRE -16 160 -16 144
WIRE 0 240 -16 240
WIRE 80 240 64 240
WIRE 352 240 304 240
WIRE 416 240 352 240
WIRE 512 240 496 240
WIRE 80 336 64 336
WIRE 352 336 352 320
WIRE 352 336 304 336
FLAG 64 336 0
FLAG -16 160 0
FLAG -16 240 0
FLAG 512 240 0
FLAG 944 64 0
FLAG -16 -64 IN
FLAG 944 -64 OUT
SYMBOL voltage -16 48 R0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL cap 64 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL ind2 560 -64 R0
WINDOW 0 1 27 Right 2
WINDOW 3 1 80 Right 2
SYMATTR InstName L1
SYMATTR Value 40µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=100m
SYMBOL ind2 640 48 R180
WINDOW 0 1 84 Right 2
WINDOW 3 4 34 Right 2
SYMATTR InstName L2
SYMATTR Value 1.1µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=15m
SYMBOL schottky 688 -48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value B520C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 800 -48 R0
WINDOW 3 38 37 Left 2
WINDOW 123 25 64 Left 2
SYMATTR Value 100µ
SYMATTR Value2 x3
SYMATTR InstName C2
SYMBOL cap 336 -48 R0
WINDOW 39 23 64 Left 2
WINDOW 3 41 35 Left 2
SYMATTR SpiceLine Rser=100
SYMATTR Value 220p
SYMATTR InstName C3
SYMBOL res 336 48 R0
SYMATTR InstName R1
SYMATTR Value 309K
SYMBOL res 400 256 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 336 224 R0
SYMATTR InstName R3
SYMATTR Value 100K
SYMBOL res 928 -64 R0
SYMATTR InstName Rload
SYMATTR Value 1.7
SYMBOL LT8304 192 192 R0
SYMATTR InstName U1
TEXT 600 -64 Bottom 2 !K1 L1 L2 1
TEXT 640 304 Left 2 !.tran 7m startup