Version 4 SHEET 1 1572 740 WIRE 288 176 192 176 WIRE 528 176 288 176 WIRE 192 192 192 176 WIRE 528 192 528 176 WIRE 288 208 288 176 WIRE 384 224 368 224 WIRE 880 224 672 224 WIRE 192 288 192 272 WIRE 288 320 288 288 WIRE 384 320 288 320 WIRE 704 320 672 320 WIRE 288 336 288 320 WIRE 704 336 704 320 WIRE 288 416 288 400 WIRE 384 416 368 416 WIRE 704 416 704 400 WIRE 704 416 672 416 WIRE 784 416 704 416 WIRE 880 416 880 224 WIRE 880 416 864 416 WIRE 960 416 880 416 WIRE 704 432 704 416 WIRE 880 432 880 416 WIRE 960 432 960 416 WIRE 256 512 192 512 WIRE 384 512 336 512 WIRE 704 512 704 496 WIRE 704 512 672 512 WIRE 880 528 880 496 WIRE 960 528 960 512 WIRE 208 608 192 608 WIRE 304 608 288 608 WIRE 384 608 368 608 WIRE 480 672 480 656 WIRE 576 672 576 656 FLAG 192 608 0 FLAG 192 512 0 FLAG 480 672 0 FLAG 576 672 0 FLAG 880 528 0 FLAG 960 528 0 FLAG 192 288 0 FLAG 288 416 0 FLAG 192 176 IN FLAG 960 416 OUT FLAG 368 416 0 SYMBOL voltage 192 176 R0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL cap 368 592 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 470p SYMBOL res 304 592 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 16.3K SYMBOL res 352 496 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 40.2K SYMBOL cap 688 336 R0 WINDOW 3 24 57 Left 2 SYMATTR Value .22µ SYMATTR InstName C2 SYMBOL schottky 688 496 M180 WINDOW 0 27 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value MBRS140 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 768 432 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMBOL cap 864 432 R0 SYMATTR InstName C3 SYMATTR Value 10µ SYMBOL res 944 416 R0 SYMATTR InstName R3 SYMATTR Value 6 SYMBOL cap 272 336 R0 SYMATTR InstName C4 SYMATTR Value .1µ SYMBOL res 272 192 R0 SYMATTR InstName R4 SYMATTR Value 10K SYMBOL PowerProducts\\LT3695-3.3 528 416 R0 SYMATTR InstName U1 TEXT 840 600 Left 2 !.tran 500u startup