Version 4 SHEET 1 1032 680 WIRE 272 -224 272 -240 WIRE 144 -144 -176 -144 WIRE 560 -144 144 -144 WIRE -176 -128 -176 -144 WIRE 272 -128 272 -160 WIRE 432 -128 272 -128 WIRE 144 -112 144 -144 WIRE 272 -112 272 -128 WIRE -64 -48 -80 -48 WIRE 32 -48 16 -48 WIRE 432 -48 432 -64 WIRE 432 -48 384 -48 WIRE -176 -32 -176 -48 WIRE 560 -32 560 -144 WIRE -64 48 -96 48 WIRE 16 48 0 48 WIRE 32 48 16 48 WIRE 512 48 384 48 WIRE 432 64 432 -48 WIRE 16 96 16 48 WIRE 16 96 -144 96 WIRE -64 144 -96 144 WIRE 32 144 16 144 WIRE 432 144 432 128 WIRE 432 144 384 144 WIRE 560 144 560 64 WIRE 560 144 432 144 WIRE 592 144 560 144 WIRE 704 144 672 144 WIRE 720 144 704 144 WIRE 816 144 800 144 WIRE 848 144 816 144 WIRE 896 144 848 144 WIRE 560 160 560 144 WIRE 896 160 896 144 WIRE -64 240 -80 240 WIRE 32 240 16 240 WIRE 512 240 384 240 WIRE 896 240 896 224 WIRE 560 272 560 256 WIRE -144 336 -144 96 WIRE 32 336 -144 336 WIRE 704 336 704 144 WIRE 704 336 384 336 WIRE -64 432 -96 432 WIRE 32 432 0 432 WIRE 816 432 816 144 WIRE 816 432 384 432 WIRE 848 432 848 144 WIRE -64 528 -96 528 WIRE 32 528 0 528 WIRE 848 528 848 512 WIRE 848 528 384 528 WIRE 848 544 848 528 WIRE 208 608 208 592 WIRE 848 640 848 624 FLAG 208 608 0 FLAG -176 -32 0 FLAG 272 -240 0 FLAG 560 272 0 FLAG 848 640 0 FLAG 896 240 0 FLAG -96 432 0 FLAG -96 528 0 FLAG -96 144 0 FLAG -80 -48 0 FLAG -80 240 0 FLAG -96 48 0 SYMBOL PowerProducts\\LT3741 208 240 R0 SYMATTR InstName U1 SYMBOL voltage -176 -144 R0 SYMATTR InstName V1 SYMATTR Value 24 SYMBOL cap 256 -224 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL cap 416 64 R0 SYMATTR InstName C2 SYMATTR Value .22µ SYMBOL schottky 416 -128 R0 SYMATTR InstName D1 SYMATTR Value 1N5819 SYMATTR Description Diode SYMATTR Type diode SYMBOL nmos 512 -32 R0 SYMATTR InstName Q1 SYMATTR Value Si7884DP SYMBOL nmos 512 160 R0 SYMATTR InstName Q2 SYMATTR Value Si7884DP SYMBOL ind 576 160 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 2.2µ SYMBOL res 704 160 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 2.5m SYMBOL res 832 416 R0 SYMATTR InstName R2 SYMATTR Value 88.7K SYMBOL res 832 528 R0 SYMATTR InstName R3 SYMATTR Value 12.1K SYMBOL cap 880 160 R0 SYMATTR InstName C3 SYMATTR Value 300µ SYMBOL cap 0 512 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 60 32 VTop 2 SYMATTR InstName C4 SYMATTR Value 5.6n SYMATTR SpiceLine Rser=39.2K SYMBOL cap 0 416 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value .01µ SYMBOL res 32 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 82.5K SYMBOL voltage 32 -48 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL voltage 32 240 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V3 SYMATTR Value 1 SYMBOL cap 0 32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value .01µ TEXT 512 584 Left 2 !.tran 2.25m startup