Version 4 SHEET 1 1868 804 WIRE 1056 -288 768 -288 WIRE 1184 -288 1056 -288 WIRE 768 -272 768 -288 WIRE 1056 -272 1056 -288 WIRE 1184 -272 1184 -288 WIRE 928 -208 912 -208 WIRE 1360 -208 1312 -208 WIRE 1440 -208 1360 -208 WIRE 1536 -208 1504 -208 WIRE 1360 -192 1360 -208 WIRE 768 -176 768 -192 WIRE 928 -112 896 -112 WIRE 1360 -112 1360 -128 WIRE 1360 -112 1312 -112 WIRE 1360 -16 1312 -16 WIRE 1424 -16 1360 -16 WIRE 1536 -16 1536 -208 WIRE 1536 -16 1504 -16 WIRE 1648 -16 1536 -16 WIRE 1728 -16 1648 -16 WIRE 1360 0 1360 -16 WIRE 1648 0 1648 -16 WIRE 1728 0 1728 -16 WIRE 1536 48 1536 -16 WIRE 1536 48 1488 48 WIRE 1536 64 1536 48 WIRE 1360 80 1360 64 WIRE 1360 80 1312 80 WIRE 1648 96 1648 64 WIRE 1728 96 1728 80 WIRE 1536 176 1536 144 WIRE 1536 176 1312 176 WIRE 1536 208 1536 176 WIRE 1344 272 1312 272 WIRE 1488 272 1488 48 WIRE 1488 272 1344 272 WIRE 1536 304 1536 288 WIRE 832 368 816 368 WIRE 928 368 896 368 WIRE 1344 368 1344 272 WIRE 1344 368 1312 368 WIRE 832 464 816 464 WIRE 928 464 896 464 WIRE 1328 464 1312 464 WIRE 1440 464 1408 464 WIRE 1568 464 1440 464 WIRE 1648 464 1568 464 WIRE 1568 480 1568 464 WIRE 1648 480 1648 464 WIRE 832 560 816 560 WIRE 928 560 912 560 WIRE 1440 560 1440 544 WIRE 1440 560 1312 560 WIRE 1440 576 1440 560 WIRE 1568 576 1568 544 WIRE 1648 576 1648 560 WIRE 1024 640 1024 624 WIRE 1216 640 1216 624 WIRE 1120 656 1120 624 WIRE 1440 672 1440 656 WIRE 1024 720 1024 704 WIRE 1216 720 1216 704 FLAG 1120 656 0 FLAG 1024 720 0 FLAG 1216 720 0 FLAG 768 -176 0 FLAG 896 -112 0 FLAG 816 560 0 FLAG 816 464 0 FLAG 816 368 0 FLAG 1536 304 0 FLAG 1648 96 0 FLAG 1728 96 0 FLAG 1728 -16 OUT1 FLAG 1440 672 0 FLAG 1568 576 0 FLAG 1648 576 0 FLAG 1648 464 OUT2 FLAG 768 -288 IN SYMBOL cap 1008 640 R0 SYMATTR InstName C1 SYMATTR Value .001µ SYMBOL voltage 768 -288 R0 SYMATTR InstName V1 SYMATTR Value 24 SYMBOL res 928 544 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 32.4K SYMBOL cap 896 448 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 15p SYMBOL cap 896 352 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value 15p SYMBOL schottky 1344 64 M180 WINDOW 0 35 62 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value 1N5817 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 1408 0 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 4.7µ SYMATTR SpiceLine Rser=5m SYMBOL res 1520 48 R0 SYMATTR InstName R2 SYMATTR Value 301K SYMBOL res 1520 192 R0 SYMATTR InstName R3 SYMATTR Value 100K SYMBOL cap 1632 0 R0 SYMATTR InstName C5 SYMATTR Value 22µ SYMATTR SpiceLine Rser=5m SYMBOL res 1712 -16 R0 SYMATTR InstName Rload1 SYMATTR Value 6.25 SYMBOL cap 1344 -192 R0 SYMATTR InstName C6 SYMATTR Value .22µ SYMBOL schottky 1504 -224 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value CMDSH2-3 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 1312 480 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 2.2µ SYMATTR SpiceLine Rser=5m SYMBOL res 1424 448 R0 SYMATTR InstName R4 SYMATTR Value 226K SYMBOL res 1424 560 R0 SYMATTR InstName R5 SYMATTR Value 49.9K SYMBOL cap 1552 480 R0 SYMATTR InstName C7 SYMATTR Value 22µ SYMATTR SpiceLine Rser=5m SYMBOL res 1632 464 R0 SYMATTR InstName Rload2 SYMATTR Value 6.6 SYMBOL cap 1200 640 R0 SYMATTR InstName C2 SYMATTR Value .001µ SYMBOL PowerProducts\\LT3641 1120 176 R0 SYMATTR InstName U1 TEXT 1568 672 Left 2 !.tran 1.2m startup