Version 4
SHEET 1 1492 692
WIRE -288 -80 -688 -80
WIRE -240 -80 -288 -80
WIRE -128 -80 -144 -80
WIRE 32 -80 -128 -80
WIRE 48 -80 32 -80
WIRE 144 -80 128 -80
WIRE 640 -80 144 -80
WIRE 816 -80 640 -80
WIRE 928 -80 816 -80
WIRE 1024 -80 928 -80
WIRE -688 -64 -688 -80
WIRE 928 -64 928 -80
WIRE 1024 -64 1024 -80
WIRE 272 -32 256 -32
WIRE 368 -32 352 -32
WIRE 400 -32 368 -32
WIRE 496 -32 464 -32
WIRE 640 0 640 -80
WIRE 816 0 816 -80
WIRE 32 16 32 -80
WIRE 144 16 144 -80
WIRE 256 16 256 -32
WIRE 368 16 368 -32
WIRE 496 16 496 -32
WIRE -688 32 -688 16
WIRE 928 32 928 0
WIRE 1024 32 1024 16
WIRE -160 80 -160 -32
WIRE -32 80 -160 80
WIRE 640 96 640 80
WIRE 640 96 560 96
WIRE -128 192 -128 -80
WIRE -32 192 -128 192
WIRE 576 192 560 192
WIRE 656 192 640 192
WIRE -288 208 -288 -80
WIRE -288 304 -288 288
WIRE -32 304 -288 304
WIRE 576 304 560 304
WIRE 672 304 656 304
WIRE 752 304 736 304
WIRE -288 320 -288 304
WIRE -128 320 -128 192
WIRE -288 416 -288 400
WIRE -128 416 -128 400
WIRE -32 416 -128 416
WIRE 640 416 560 416
WIRE 752 416 640 416
WIRE -128 432 -128 416
WIRE 640 432 640 416
WIRE 752 432 752 416
WIRE -128 528 -128 512
WIRE -32 528 -64 528
WIRE 640 528 640 512
WIRE 640 528 560 528
WIRE 752 528 752 496
WIRE 640 544 640 528
WIRE 144 608 144 592
WIRE 368 608 368 592
WIRE 640 640 640 624
WIRE -64 672 -64 528
WIRE 816 672 816 80
WIRE 816 672 -64 672
FLAG -688 32 0
FLAG 1024 32 0
FLAG 928 32 0
FLAG 656 192 0
FLAG 752 528 0
FLAG 640 640 0
FLAG 752 304 0
FLAG 368 608 0
FLAG -128 528 0
FLAG -288 416 0
SYMBOL PowerProducts\\LTC3643 256 304 R0
SYMATTR InstName U1
SYMBOL res 32 -64 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10m
SYMBOL ind 256 -16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 4.7µ
SYMBOL cap 464 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL pmos -240 -32 R270
WINDOW 0 70 30 VRight 2
WINDOW 3 -12 74 VLeft 2
SYMATTR InstName Q1
SYMATTR Value Si4427DY
SYMBOL cap 912 -64 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMBOL cap 640 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 4.7µ
SYMBOL res 624 416 R0
SYMATTR InstName R2
SYMATTR Value 392K
SYMBOL res 624 528 R0
SYMATTR InstName R3
SYMATTR Value 6.04K
SYMBOL cap 736 432 R0
SYMATTR InstName C4
SYMATTR Value 2µ
SYMBOL res 672 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 400K
SYMBOL cap 736 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 470p
SYMBOL res -144 304 R0
SYMATTR InstName R5
SYMATTR Value 44.2K
SYMBOL res -144 416 R0
SYMATTR InstName R6
SYMATTR Value 6.04K
SYMBOL res -304 192 R0
SYMATTR InstName R7
SYMATTR Value 35.7K
SYMBOL res -304 304 R0
SYMATTR InstName R8
SYMATTR Value 12.1K
SYMBOL res 1008 -80 R0
SYMATTR InstName Rload
SYMATTR Value 20
SYMBOL res 800 -16 R0
SYMATTR InstName R10
SYMATTR Value 20K
SYMBOL res 624 -16 R0
SYMATTR InstName R11
SYMATTR Value 20K
SYMBOL voltage -688 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 1u 5 1m 5 +20u 0)
TEXT 888 520 Left 2 !.tran 5m