Version 4 SHEET 1 5945676 13421556 WIRE 2176 -112 1888 -112 WIRE 2368 -112 2176 -112 WIRE 2544 -112 2368 -112 WIRE 2656 -112 2544 -112 WIRE 2800 -112 2656 -112 WIRE 1888 -96 1888 -112 WIRE 2176 -80 2176 -112 WIRE 2544 -80 2544 -112 WIRE 2656 -80 2656 -112 WIRE 2368 -48 2368 -112 WIRE 2800 -32 2800 -112 WIRE 2848 -32 2800 -32 WIRE 3008 -32 2912 -32 WIRE 3120 -32 3072 -32 WIRE 3168 -32 3120 -32 WIRE 3296 -32 3248 -32 WIRE 3424 -32 3296 -32 WIRE 3568 -32 3424 -32 WIRE 2848 -16 2848 -32 WIRE 2912 -16 2912 -32 WIRE 3120 -16 3120 -32 WIRE 3296 -16 3296 -32 WIRE 3424 -16 3424 -32 WIRE 3568 -16 3568 -32 WIRE 1888 0 1888 -16 WIRE 2544 16 2544 -16 WIRE 2656 16 2656 0 WIRE 2656 16 2544 16 WIRE 2656 32 2656 16 WIRE 1984 80 1920 80 WIRE 2176 80 2176 0 WIRE 2176 80 2064 80 WIRE 2224 80 2176 80 WIRE 2320 80 2288 80 WIRE 2848 80 2848 64 WIRE 2848 80 2800 80 WIRE 2912 80 2912 64 WIRE 3120 80 3120 48 WIRE 3120 80 2912 80 WIRE 3296 80 3296 48 WIRE 3296 80 3120 80 WIRE 3424 80 3424 64 WIRE 3424 80 3296 80 WIRE 3568 80 3568 64 WIRE 3568 80 3424 80 WIRE 3568 112 3568 80 WIRE 2656 128 2656 96 WIRE 2800 128 2800 80 WIRE 2800 128 2656 128 WIRE 1744 208 1648 208 WIRE 1840 208 1744 208 WIRE 1968 208 1904 208 WIRE 2048 208 1968 208 WIRE 2624 208 2128 208 WIRE 2848 208 2624 208 WIRE 1744 224 1744 208 WIRE 1968 224 1968 208 WIRE 2848 224 2848 208 WIRE 2176 272 2176 80 WIRE 2400 272 2176 272 WIRE 2448 272 2400 272 WIRE 2544 272 2528 272 WIRE 2624 272 2624 208 WIRE 2624 272 2608 272 WIRE 2400 288 2400 272 WIRE 1648 304 1648 208 WIRE 1744 320 1744 288 WIRE 1968 320 1968 288 WIRE 2848 320 2848 304 WIRE 2176 336 2176 272 WIRE 2656 352 2656 128 WIRE 2400 368 2400 352 WIRE 1648 400 1648 384 WIRE 2016 400 1648 400 WIRE 2464 432 2336 432 WIRE 2608 432 2544 432 WIRE 1648 464 1648 400 WIRE 1776 464 1648 464 WIRE 1904 464 1856 464 WIRE 2016 464 1968 464 WIRE 1648 480 1648 464 WIRE 1872 528 1760 528 WIRE 2016 528 1872 528 WIRE 1760 544 1760 528 WIRE 1872 544 1872 528 WIRE 2368 560 2368 32 WIRE 2368 560 2336 560 WIRE 2480 560 2368 560 WIRE 2656 560 2656 448 WIRE 2656 560 2560 560 WIRE 1648 576 1648 560 WIRE 2368 576 2368 560 WIRE 2656 576 2656 560 WIRE 2016 592 1968 592 WIRE 1872 624 1872 608 WIRE 1760 656 1760 624 WIRE 1968 656 1968 592 WIRE 1968 656 1760 656 WIRE 2368 656 2368 640 WIRE 1760 672 1760 656 WIRE 2656 672 2656 656 WIRE 2176 704 2176 656 WIRE 1760 752 1760 736 FLAG 2656 672 0 FLAG 1760 752 0 FLAG 1872 624 0 FLAG 1648 576 0 FLAG 2176 704 0 FLAG 1744 320 0 FLAG 1968 320 0 FLAG 2400 368 0 FLAG 2848 320 0 FLAG 1888 0 0 FLAG 2320 80 0 FLAG 3568 -32 OUT FLAG 3568 112 0 FLAG 1888 -112 IN FLAG 2368 656 0 FLAG 1920 80 0 SYMBOL RES 2640 560 R0 SYMATTR InstName R1 SYMATTR Value .67 SYMBOL cap 1744 672 R0 SYMATTR InstName C1 SYMATTR Value 220p SYMBOL cap 1856 544 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL cap 1968 448 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value .01µ SYMBOL res 1872 448 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 200K SYMBOL res 1744 528 R0 SYMATTR InstName R3 SYMATTR Value 12K SYMBOL res 1632 464 R0 SYMATTR InstName R4 SYMATTR Value 20K SYMBOL res 2576 544 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 1K SYMBOL NMOS 2608 352 R0 SYMATTR InstName Q1 SYMATTR Value BSC42DN25NS3 SYMBOL res 2560 416 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 10 SYMBOL res 1632 288 R0 SYMATTR InstName R7 SYMATTR Value 125K SYMBOL cap 1728 224 R0 SYMATTR InstName C4 SYMATTR Value .0022µ SYMBOL cap 1952 224 R0 SYMATTR InstName C5 SYMATTR Value 100p SYMBOL schottky 1904 192 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D1 SYMATTR Value BAT54 SYMBOL cap 2384 288 R0 SYMATTR InstName C6 SYMATTR Value 22µ SYMBOL res 2544 256 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 39 SYMBOL schottky 2608 256 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value BAT54 SYMBOL res 2352 -64 R0 SYMATTR InstName R9 SYMATTR Value 1.32Meg SYMBOL res 2640 -96 R0 SYMATTR InstName R10 SYMATTR Value 660K SYMBOL cap 2528 -80 R0 SYMATTR InstName C7 SYMATTR Value 470p SYMBOL ind2 2928 -32 M0 WINDOW 0 1 32 Right 2 WINDOW 3 -2 69 Right 2 SYMATTR InstName L1 SYMATTR Value 20µ SYMATTR SpiceLine Rser=.05 SYMBOL ind2 2832 208 R0 WINDOW 0 -3 43 Right 2 WINDOW 3 -4 70 Right 2 SYMATTR InstName L2 SYMATTR Value 16µ SYMATTR Value2 Rser=.1 SYMBOL ind2 2832 80 M180 WINDOW 0 -2 79 Right 2 WINDOW 3 -2 44 Right 2 SYMATTR InstName L3 SYMATTR Value 100µ SYMATTR SpiceLine Rser=.05 SYMBOL schottky 3008 -48 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D3 SYMATTR Value MBRS340 SYMBOL ind 3152 -16 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L4 SYMATTR Value 1µ SYMBOL polcap 3280 -16 R0 SYMATTR InstName C8 SYMATTR Value 3.3µ SYMBOL res 3408 -32 R0 SYMATTR InstName R11 SYMATTR Value 750 SYMBOL VOLTAGE 1888 -112 R0 SYMATTR InstName V1 SYMATTR Value 200 SYMBOL zener 2288 96 M270 WINDOW 0 36 32 VTop 2 WINDOW 3 -4 32 VBottom 2 SYMATTR InstName D4 SYMATTR Value BZX84C15L SYMBOL diode 2640 96 M180 WINDOW 0 28 62 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D5 SYMATTR Value MURS320 SYMBOL res 2144 192 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 510 SYMBOL res 2160 -96 R0 SYMATTR InstName R13 SYMATTR Value 400K SYMBOL PowerProducts\\LT1243 2176 496 R0 SYMATTR InstName U1 SYMBOL cap 2352 576 R0 SYMATTR InstName C9 SYMATTR Value 25p SYMBOL current 1984 80 R270 WINDOW 0 32 40 VTop 2 WINDOW 3 -32 40 VBottom 2 SYMATTR InstName I1 SYMATTR Value pwl(0 0 50u 7 100u 0) SYMBOL polcap 3104 -16 R0 SYMATTR InstName C10 SYMATTR Value 10µ SYMATTR SpiceLine Rser=.1 SYMBOL res 3552 -32 R0 SYMATTR InstName Rload SYMATTR Value 25 TEXT 2880 568 Left 2 !.tran 1m startup TEXT 2808 -56 Left 2 !K1 L1 L2 L3 1 LINE Normal 2880 288 2880 -16 2