Version 4
SHEET 1 1572 680
WIRE 256 16 160 16
WIRE 432 16 256 16
WIRE 560 16 480 16
WIRE 672 16 624 16
WIRE 784 16 672 16
WIRE 880 16 784 16
WIRE 256 32 256 16
WIRE 432 32 432 16
WIRE 480 32 480 16
WIRE 672 32 672 16
WIRE 784 32 784 16
WIRE 880 32 880 16
WIRE 256 128 256 112
WIRE 432 128 432 112
WIRE 480 128 480 112
WIRE 672 128 672 112
WIRE 672 128 592 128
WIRE 784 128 784 96
WIRE 880 128 880 112
WIRE 672 144 672 128
WIRE 160 160 160 16
WIRE 384 208 288 208
WIRE 432 240 432 224
WIRE 432 240 400 240
WIRE 672 240 672 224
WIRE 432 256 432 240
WIRE -144 272 -160 272
WIRE -48 272 -64 272
WIRE 32 272 16 272
WIRE 304 272 288 272
WIRE 400 272 400 240
WIRE 400 272 384 272
WIRE 336 336 288 336
WIRE 432 352 432 336
WIRE 336 384 336 336
WIRE 592 384 592 128
WIRE 592 384 336 384
WIRE 160 400 160 384
FLAG 432 352 0
FLAG 256 128 0
FLAG 160 400 0
FLAG 480 128 0
FLAG 672 240 0
FLAG 784 128 0
FLAG 880 128 0
FLAG -160 272 0
FLAG 256 16 IN
FLAG 880 16 OUT
SYMBOL voltage 256 16 R0
WINDOW 0 21 19 Left 2
WINDOW 3 22 94 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL ind2 416 16 R0
WINDOW 0 -1 36 Right 2
WINDOW 3 -5 69 Right 2
SYMATTR InstName L1
SYMATTR Value 25µ
SYMATTR Type ind
SYMBOL ind2 496 128 R180
WINDOW 0 -6 76 Right 2
WINDOW 3 -6 40 Right 2
SYMATTR InstName L2
SYMATTR Value 25µ
SYMATTR Type ind
SYMBOL nmos 384 128 R0
SYMATTR InstName Q1
SYMATTR Value HAT2168H
SYMBOL res 416 240 R0
SYMATTR InstName R1
SYMATTR Value 12m
SYMBOL res 656 16 R0
SYMATTR InstName R2
SYMATTR Value 105K
SYMBOL res 656 128 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL schottky 560 32 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 768 32 R0
SYMATTR SpiceLine Rser=150m
SYMATTR Value 25µ
SYMATTR InstName C1
SYMBOL PowerProducts\\LTC3803-5 160 272 R0
SYMATTR InstName U1
SYMBOL cap 16 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .01µ
SYMBOL res -48 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 7.5K
SYMBOL res 400 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 4.7K
SYMBOL res 864 16 R0
SYMATTR InstName Rload
SYMATTR Value 10
TEXT 456 16 Bottom 2 !K1 L1 L2 1.
TEXT 640 352 Left 2 !.tran 9m startup