Version 4
SHEET 1 920 680
WIRE -80 -96 -144 -96
WIRE 32 -96 -80 -96
WIRE 128 -96 32 -96
WIRE 240 -96 224 -96
WIRE 272 -96 240 -96
WIRE 368 -96 352 -96
WIRE 384 -96 368 -96
WIRE 480 -96 464 -96
WIRE 560 -96 480 -96
WIRE 640 -96 560 -96
WIRE 688 -96 640 -96
WIRE -144 -80 -144 -96
WIRE 560 -80 560 -96
WIRE 688 -80 688 -96
WIRE 32 -64 32 -96
WIRE 240 -64 240 -96
WIRE -144 16 -144 0
WIRE 240 16 240 0
WIRE 560 16 560 -16
WIRE 688 16 688 0
WIRE 32 64 32 0
WIRE 144 64 144 -48
WIRE 368 64 368 -96
WIRE 480 64 480 -96
WIRE 640 96 640 -96
WIRE -80 128 -80 -96
WIRE -48 128 -80 128
WIRE 592 128 560 128
WIRE -80 224 -80 128
WIRE -48 224 -80 224
WIRE 592 224 592 128
WIRE 592 224 560 224
WIRE 640 224 640 176
WIRE 640 224 592 224
WIRE 640 240 640 224
WIRE 576 320 560 320
WIRE 640 336 640 320
WIRE -48 416 -64 416
WIRE 576 416 560 416
WIRE 32 496 32 480
WIRE 144 496 144 480
WIRE 256 496 256 480
WIRE 480 496 480 480
WIRE 32 592 32 576
WIRE 144 592 144 560
WIRE 480 592 480 560
FLAG 640 336 0
FLAG 560 16 0
FLAG 688 16 0
FLAG 576 416 0
FLAG -64 416 0
FLAG -144 16 0
FLAG 144 592 0
FLAG 32 592 0
FLAG 480 592 0
FLAG 240 16 0
FLAG 576 320 0
FLAG -144 -96 IN
FLAG 688 -96 OUT
FLAG 256 496 0
SYMBOL PowerProducts\\LTC3894 256 272 R0
SYMATTR InstName U1
SYMBOL pmos 224 -48 M270
WINDOW 0 77 48 VTop 2
WINDOW 3 50 49 VTop 2
SYMATTR InstName Q1
SYMATTR Value FDS4435A
SYMBOL ind 256 -80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 22µ
SYMBOL res 480 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 20m
SYMBOL cap 16 -64 R0
SYMATTR InstName C1
SYMATTR Value .47µ
SYMBOL cap 544 -80 R0
SYMATTR InstName C2
SYMATTR Value 330µ
SYMBOL res 624 80 R0
SYMATTR InstName R2
SYMATTR Value 422K
SYMBOL res 624 224 R0
SYMATTR InstName R3
SYMATTR Value 80.6K
SYMBOL voltage -144 -96 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 128 496 R0
SYMATTR InstName C3
SYMATTR Value .1µ
SYMBOL cap 464 496 R0
WINDOW 3 44 32 Left 2
WINDOW 123 24 80 Left 2
WINDOW 39 25 58 Left 2
SYMATTR Value 3.3n
SYMATTR Value2 Cpar=47p
SYMATTR SpiceLine Rser=5.76K
SYMATTR InstName C4
SYMBOL res 16 480 R0
SYMATTR InstName R4
SYMATTR Value 36.5K
SYMBOL diode 224 0 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL res 672 -96 R0
SYMATTR InstName Rload
SYMATTR Value 1.67
TEXT 680 576 Left 2 !.tran 10m startup