Version 4
SHEET 1 1052 840
WIRE -96 -352 -192 -352
WIRE 80 -352 -96 -352
WIRE 96 -352 80 -352
WIRE 368 -352 192 -352
WIRE -192 -336 -192 -352
WIRE 272 -304 176 -304
WIRE 80 -288 80 -352
WIRE 176 -288 176 -304
WIRE 272 -288 272 -304
WIRE 368 -288 368 -352
WIRE -192 -240 -192 -256
WIRE 576 -224 432 -224
WIRE 624 -224 576 -224
WIRE 672 -224 624 -224
WIRE 784 -224 672 -224
WIRE 672 -208 672 -224
WIRE 784 -208 784 -224
WIRE 448 -128 432 -128
WIRE 672 -112 672 -144
WIRE 784 -112 784 -128
WIRE 16 -32 -32 -32
WIRE -32 64 -32 -32
WIRE 16 64 -32 64
WIRE 464 64 432 64
WIRE 576 64 576 -224
WIRE 576 64 544 64
WIRE 16 160 0 160
WIRE 464 160 432 160
WIRE 576 160 544 160
WIRE 16 256 0 256
WIRE 624 272 624 -224
WIRE 576 352 432 352
WIRE 624 384 624 368
WIRE -32 448 -32 64
WIRE 16 448 -32 448
WIRE 448 448 432 448
WIRE -96 544 -96 -352
WIRE 16 544 0 544
WIRE 448 544 432 544
WIRE 544 544 528 544
WIRE -96 640 -96 624
WIRE 16 640 -96 640
WIRE 448 640 432 640
WIRE 224 720 224 704
WIRE 64 736 64 704
WIRE 304 736 304 704
WIRE 384 736 384 704
WIRE 224 800 224 784
FLAG -192 -240 0
FLAG 672 -112 0
FLAG 784 -112 0
FLAG 784 -224 OUT
FLAG -192 -352 IN
FLAG 576 160 0
FLAG 624 384 0
FLAG 448 448 0
FLAG 544 544 0
FLAG 384 736 0
FLAG 304 736 0
FLAG 64 736 0
FLAG 224 800 0
FLAG 0 544 0
FLAG 0 256 0
SYMBOL PowerProducts\\LTM4641 224 208 R0
SYMATTR InstName U1
SYMBOL voltage -192 -352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL nmos 96 -304 R270
WINDOW 0 53 52 VTop 2
WINDOW 3 24 92 VRight 2
SYMATTR InstName Q1
SYMATTR Value FDMC8462
SYMBOL cap 656 -208 R0
WINDOW 123 31 64 Left 2
WINDOW 3 37 38 Left 2
SYMATTR Value2 x3
SYMATTR Value 100µ
SYMATTR InstName C1
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R"
SYMBOL res 560 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 5.49K
SYMBOL res 560 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 5.49K
SYMBOL nmos 576 272 R0
SYMATTR InstName Q2
SYMATTR Value FDC637AN
SYMBOL res 432 560 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 5.6Meg
SYMBOL cap 208 720 R0
SYMATTR InstName C2
SYMATTR Value 2n
SYMBOL res -112 528 R0
SYMATTR InstName R4
SYMATTR Value 750K
SYMBOL res 768 -224 R0
SYMATTR InstName Rload
SYMATTR Value .125
TEXT 560 632 Left 2 !.tran 2m startup