Version 4
SHEET 1 2484 1028
WIRE -592 -352 -672 -352
WIRE 128 -352 -592 -352
WIRE 480 -352 176 -352
WIRE 528 -352 480 -352
WIRE 656 -352 608 -352
WIRE 704 -352 656 -352
WIRE 816 -352 704 -352
WIRE 896 -352 816 -352
WIRE -672 -336 -672 -352
WIRE 128 -336 128 -352
WIRE 176 -336 176 -352
WIRE 480 -336 480 -352
WIRE 896 -336 896 -352
WIRE 704 -320 704 -352
WIRE 816 -320 816 -352
WIRE 432 -256 400 -256
WIRE -672 -240 -672 -256
WIRE -224 -224 -448 -224
WIRE 64 -224 -160 -224
WIRE 128 -224 128 -256
WIRE 128 -224 64 -224
WIRE 176 -224 176 -256
WIRE 272 -224 176 -224
WIRE 480 -224 480 -240
WIRE 480 -224 368 -224
WIRE 704 -224 704 -256
WIRE 704 -224 480 -224
WIRE 816 -224 816 -256
WIRE 816 -224 704 -224
WIRE 896 -224 896 -256
WIRE 896 -224 816 -224
WIRE 64 -208 64 -224
WIRE 896 -208 896 -224
WIRE -448 -176 -448 -224
WIRE 16 -128 -96 -128
WIRE -384 -96 -400 -96
WIRE -368 -96 -384 -96
WIRE -240 -96 -304 -96
WIRE 64 -96 64 -112
WIRE 64 -96 -48 -96
WIRE 64 -80 64 -96
WIRE -448 -64 -448 -80
WIRE -384 -64 -384 -96
WIRE -48 -48 -48 -96
WIRE -384 16 -384 0
WIRE 64 16 64 0
WIRE -48 96 -48 32
WIRE -32 96 -48 96
WIRE 352 96 352 -176
WIRE 352 96 320 96
WIRE -192 176 -208 176
WIRE -96 176 -96 -128
WIRE -96 176 -112 176
WIRE -32 176 -96 176
WIRE 400 176 400 -256
WIRE 400 176 320 176
WIRE -240 256 -240 -96
WIRE -32 256 -240 256
WIRE 496 256 320 256
WIRE 656 256 656 -352
WIRE 656 256 496 256
WIRE -112 336 -128 336
WIRE -32 336 -48 336
WIRE 336 336 320 336
WIRE 416 336 400 336
WIRE 496 336 496 256
WIRE 656 384 656 256
WIRE -592 416 -592 -352
WIRE -48 416 -592 416
WIRE -32 416 -48 416
WIRE 496 432 496 416
WIRE 496 432 416 432
WIRE 496 448 496 432
WIRE 656 480 656 464
WIRE 656 480 608 480
WIRE -48 496 -48 416
WIRE -32 496 -48 496
WIRE 416 496 416 432
WIRE 416 496 320 496
WIRE 656 496 656 480
WIRE 496 544 496 528
WIRE -32 576 -48 576
WIRE 608 576 608 480
WIRE 608 576 320 576
WIRE 656 592 656 576
WIRE -128 656 -144 656
WIRE -32 656 -64 656
WIRE 480 656 320 656
WIRE 528 656 480 656
WIRE 656 656 608 656
WIRE 480 672 480 656
WIRE 656 672 656 656
WIRE -32 736 -144 736
WIRE 336 736 320 736
WIRE 416 736 400 736
WIRE 480 752 480 736
WIRE 656 752 656 736
WIRE -240 816 -256 816
WIRE -144 816 -144 736
WIRE -144 816 -160 816
WIRE -128 816 -144 816
WIRE -32 816 -48 816
WIRE 336 816 320 816
WIRE -32 896 -48 896
WIRE 336 896 320 896
WIRE 80 976 80 960
WIRE 208 976 208 960
FLAG 64 16 0
FLAG 896 -208 0
FLAG 896 -352 OUT
FLAG 208 976 0
FLAG -672 -240 0
FLAG -48 576 0
FLAG 416 736 0
FLAG 480 752 0
FLAG 656 752 0
FLAG 496 544 0
FLAG 656 592 0
FLAG 80 976 0
FLAG -208 176 0
FLAG -672 -352 IN
FLAG 416 336 0
FLAG -256 816 0
FLAG -144 656 0
FLAG -448 -64 0
FLAG -384 16 0
FLAG -128 336 0
FLAG -48 896 0
FLAG 336 896 0
FLAG 336 816 0
SYMBOL ind2 192 -240 R180
WINDOW 0 -3 70 Right 2
WINDOW 3 -1 39 Right 2
SYMATTR InstName L2
SYMATTR Value 20µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=80m
SYMBOL ind2 112 -240 M180
WINDOW 0 1 72 Right 2
WINDOW 3 0 39 Right 2
SYMATTR InstName L1
SYMATTR Value 80µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=80m
SYMBOL nmos 16 -208 R0
WINDOW 0 60 9 Left 2
WINDOW 3 61 71 Left 2
SYMATTR InstName Q1
SYMATTR Value Si4490DY
SYMBOL res 48 -96 R0
SYMATTR InstName R1
SYMATTR Value 8m
SYMBOL cap 688 -320 R0
WINDOW 40 24 77 Left 2
SYMATTR Value 220µ
SYMATTR InstName C5
SYMATTR SpiceLine Rser=10m
SYMBOL cap 800 -320 R0
SYMATTR InstName C8
SYMATTR Value 1µ
SYMATTR SpiceLine Rser=1m
SYMBOL voltage -672 -352 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL res -64 -64 R0
SYMATTR InstName R2
SYMATTR Value 1.2K
SYMBOL res 880 -352 R0
SYMATTR InstName Rload
SYMATTR Value 12
SYMBOL cap 400 720 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 22n
SYMBOL res 624 640 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 30K
SYMBOL cap 464 672 R0
SYMATTR InstName C3
SYMATTR Value 200p
SYMBOL cap 640 672 R0
SYMATTR InstName C6
SYMATTR Value 10n
SYMBOL res 480 320 R0
SYMATTR InstName R8
SYMATTR Value 8.87K
SYMBOL res 480 432 R0
SYMATTR InstName R9
SYMATTR Value .976K
SYMBOL res 640 368 R0
SYMATTR InstName R6
SYMATTR Value 8.87K
SYMBOL res 640 480 R0
SYMATTR InstName R7
SYMATTR Value .976K
SYMBOL res -96 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL ind 512 -336 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 4.7µ
SYMATTR SpiceLine Rser=5m
SYMBOL nmos 272 -176 R270
WINDOW 0 54 37 VTop 2
WINDOW 3 -11 67 VLeft 2
SYMATTR InstName Q2
SYMATTR Value Si4466DY
SYMBOL cap 400 320 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 2.2µ
SYMBOL res -32 800 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1
SYMBOL cap -64 640 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 10n
SYMBOL nmos 432 -336 R0
WINDOW 0 60 9 Left 2
WINDOW 3 61 71 Left 2
SYMATTR InstName Q3
SYMATTR Value Si4466DY
SYMBOL res -144 800 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 120K
SYMBOL cap -224 -240 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 22n
SYMBOL pmos -400 -176 M0
SYMATTR InstName Q4
SYMATTR Value IRFP9240
SYMBOL cap -368 -112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL schottky -400 -64 R0
WINDOW 0 50 23 Left 2
WINDOW 3 30 64 Left 2
SYMATTR InstName D1
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -48 320 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 1µ
SYMBOL ADP1074 144 464 R0
SYMATTR InstName U1
TEXT 152 -352 Bottom 2 !K1 L1 L2 1
TEXT 520 896 Left 2 !.tran 2.5m startup