Version 4 SHEET 1 5945676 13421556 WIRE 2176 -144 2016 -144 WIRE 2368 -144 2176 -144 WIRE 2592 -144 2368 -144 WIRE 2704 -144 2592 -144 WIRE 2800 -144 2704 -144 WIRE 2016 -112 2016 -144 WIRE 2592 -112 2592 -144 WIRE 2704 -112 2704 -144 WIRE 2176 -96 2176 -144 WIRE 2800 -64 2800 -144 WIRE 2880 -64 2800 -64 WIRE 3040 -64 2944 -64 WIRE 3184 -64 3104 -64 WIRE 3232 -64 3184 -64 WIRE 3360 -64 3312 -64 WIRE 3472 -64 3360 -64 WIRE 2368 -48 2368 -144 WIRE 2880 -48 2880 -64 WIRE 2944 -48 2944 -64 WIRE 3184 -48 3184 -64 WIRE 3360 -48 3360 -64 WIRE 3472 -48 3472 -64 WIRE 2592 -16 2592 -48 WIRE 2704 -16 2704 -32 WIRE 2704 -16 2592 -16 WIRE 2016 0 2016 -32 WIRE 2704 16 2704 -16 WIRE 2880 48 2880 32 WIRE 2880 48 2800 48 WIRE 2944 48 2944 32 WIRE 3184 48 3184 16 WIRE 3184 48 2944 48 WIRE 3360 48 3360 16 WIRE 3360 48 3184 48 WIRE 3472 48 3472 32 WIRE 3472 48 3360 48 WIRE 3472 64 3472 48 WIRE 2704 128 2704 80 WIRE 2800 128 2800 48 WIRE 2800 128 2704 128 WIRE 1776 208 1648 208 WIRE 1840 208 1776 208 WIRE 1968 208 1904 208 WIRE 2048 208 1968 208 WIRE 2640 208 2128 208 WIRE 2880 208 2640 208 WIRE 1776 224 1776 208 WIRE 1968 224 1968 208 WIRE 2880 224 2880 208 WIRE 1648 240 1648 208 WIRE 2176 272 2176 -16 WIRE 2400 272 2176 272 WIRE 2464 272 2400 272 WIRE 2560 272 2544 272 WIRE 2640 272 2640 208 WIRE 2640 272 2624 272 WIRE 2400 288 2400 272 WIRE 1776 320 1776 288 WIRE 1968 320 1968 288 WIRE 2880 320 2880 304 WIRE 2176 336 2176 272 WIRE 2704 352 2704 128 WIRE 2400 384 2400 352 WIRE 1648 400 1648 320 WIRE 2016 400 1648 400 WIRE 2480 432 2336 432 WIRE 2656 432 2560 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 2000 528 1872 528 WIRE 2016 528 2000 528 WIRE 1872 544 1872 528 WIRE 1760 560 1760 528 WIRE 2368 560 2368 32 WIRE 2368 560 2336 560 WIRE 2448 560 2368 560 WIRE 2480 560 2448 560 WIRE 2704 560 2704 448 WIRE 2704 560 2560 560 WIRE 1648 576 1648 560 WIRE 2704 576 2704 560 WIRE 2016 592 1968 592 WIRE 2368 608 2368 560 WIRE 2448 608 2448 560 WIRE 1872 624 1872 608 WIRE 1760 656 1760 640 WIRE 1904 656 1760 656 WIRE 1968 656 1968 592 WIRE 1968 656 1904 656 WIRE 1760 672 1760 656 WIRE 2704 672 2704 656 WIRE 2176 704 2176 656 WIRE 2368 704 2368 672 WIRE 2000 736 2000 528 WIRE 1760 752 1760 736 WIRE 1904 784 1904 656 WIRE 1936 784 1904 784 WIRE 2448 832 2448 688 WIRE 2448 832 2000 832 WIRE 2448 864 2448 832 WIRE 2448 976 2448 944 FLAG 2704 672 0 FLAG 1760 752 0 FLAG 1872 624 0 FLAG 1648 576 0 FLAG 2176 704 0 FLAG 1776 320 0 FLAG 1968 320 0 FLAG 2400 384 0 FLAG 2880 320 0 FLAG 2016 0 0 FLAG 3472 -64 +25V FLAG 3472 64 0 FLAG 2368 704 0 FLAG 2016 -144 IN FLAG 2448 976 0 SYMBOL RES 2688 560 R0 SYMATTR InstName R1 SYMATTR Value 0.1 SYMBOL cap 1744 672 R0 SYMATTR InstName C1 SYMATTR Value 1000pf SYMBOL cap 1856 544 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL cap 1968 448 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C3 SYMATTR Value .01µ SYMBOL res 1872 448 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL res 1744 544 R0 SYMATTR InstName R3 SYMATTR Value 11K SYMBOL res 1632 464 R0 SYMATTR InstName R4 SYMATTR Value 20K SYMBOL res 2576 544 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R7 SYMATTR Value 1K SYMBOL NMOS 2656 352 R0 SYMATTR InstName Q1 SYMATTR Value IRF530 SYMBOL res 2576 416 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R8 SYMATTR Value 12 SYMBOL res 1632 224 R0 SYMATTR InstName R9 SYMATTR Value 180K SYMBOL cap 1760 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 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D1 SYMATTR Value BAT54 SYMBOL cap 2384 288 R0 SYMATTR InstName C6 SYMATTR Value 22µ SYMBOL res 2560 256 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R10 SYMATTR Value 39 SYMBOL schottky 2624 256 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D2 SYMATTR Value BAT54 SYMBOL res 2352 -64 R0 SYMATTR InstName R13 SYMATTR Value 1.32Meg SYMBOL res 2688 -128 R0 SYMATTR InstName R14 SYMATTR Value 660K SYMBOL cap 2576 -112 R0 SYMATTR InstName C7 SYMATTR Value 470p SYMBOL ind2 2960 -64 M0 WINDOW 0 1 32 Right 0 WINDOW 3 3 70 Right 0 SYMATTR InstName L1 SYMATTR Value 16µ SYMATTR SpiceLine Rser=.05 Rpar=10K SYMBOL ind2 2864 208 R0 WINDOW 0 -5 42 Right 0 WINDOW 3 -4 77 Right 0 SYMATTR InstName L3 SYMATTR Value 16µ SYMATTR SpiceLine Rser=.1 Rpar=10K SYMBOL ind2 2864 48 M180 WINDOW 0 -2 87 Right 0 WINDOW 3 0 44 Right 0 SYMATTR InstName L2 SYMATTR Value 22µ SYMATTR SpiceLine Rser=.05 Rpar=10K SYMBOL schottky 3040 -80 M90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D3 SYMATTR Value MBRS340 SYMBOL cap 3168 -48 R0 SYMATTR InstName C8 SYMATTR Value 20µ SYMBOL ind2 3216 -48 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L4 SYMATTR Value 1µ SYMATTR Type ind SYMBOL polcap 3344 -48 R0 SYMATTR InstName C9 SYMATTR Value 3.3µ SYMATTR SpiceLine Rser=.1 SYMBOL VOLTAGE 2016 -128 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 35 SYMBOL res 3456 -64 R0 SYMATTR InstName Rload SYMATTR Value 12.5 SYMBOL diode 2720 80 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D5 SYMATTR Value MURS320 SYMBOL res 2144 192 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R17 SYMATTR Value 510 SYMBOL res 2160 -112 R0 SYMATTR InstName R18 SYMATTR Value 100 SYMBOL cap 2352 608 R0 SYMATTR InstName C10 SYMATTR Value 50p SYMBOL PowerProducts\\LT1243 2176 496 R0 SYMATTR InstName U2 SYMBOL res 2432 592 R0 SYMATTR InstName Rsc SYMATTR Value 10K SYMBOL npn 1936 736 R0 SYMATTR InstName Q2 SYMBOL res 2432 848 R0 SYMATTR InstName Refl SYMATTR Value 10K TEXT 2928 568 Left 0 !.tran 1m TEXT 2912 -72 Bottom 0 !K1 L1 L2 L3 1 LINE Normal 2912 288 2912 -48 2