Version 4 SHEET 1 2944 1696 WIRE 1792 1040 1536 1040 WIRE 1536 1056 1536 1040 WIRE 1792 1072 1792 1040 WIRE 2400 1104 1936 1104 WIRE 1536 1152 1536 1136 WIRE 2048 1168 2000 1168 WIRE 2128 1168 2048 1168 WIRE 2272 1168 2208 1168 WIRE 2400 1168 2400 1104 WIRE 2400 1168 2272 1168 WIRE 2512 1168 2400 1168 WIRE 2048 1184 2048 1168 WIRE 2400 1184 2400 1168 WIRE 2512 1184 2512 1168 WIRE 1648 1200 1632 1200 WIRE 2000 1200 2000 1168 WIRE 2000 1200 1936 1200 WIRE 2272 1200 2272 1168 WIRE 2048 1264 2048 1248 WIRE 2400 1280 2400 1248 WIRE 2512 1280 2512 1264 WIRE 2272 1296 2272 1280 WIRE 2272 1296 1936 1296 WIRE 2272 1328 2272 1296 WIRE 1984 1392 1936 1392 WIRE 2048 1392 1984 1392 WIRE 2160 1392 2112 1392 WIRE 1984 1408 1984 1392 WIRE 2160 1408 2160 1392 WIRE 2272 1424 2272 1408 WIRE 1792 1440 1792 1424 WIRE 1984 1504 1984 1472 WIRE 2160 1504 2160 1488 FLAG 2160 1504 0 FLAG 1984 1504 0 FLAG 2400 1280 0 FLAG 2048 1264 0 FLAG 1536 1152 0 FLAG 1792 1440 0 FLAG 2272 1424 0 FLAG 2512 1280 0 FLAG 2512 1168 OUT FLAG 1536 1040 IN SYMBOL VOLTAGE 1536 1040 R0 SYMATTR InstName V1 SYMATTR Value 30 SYMBOL cap 2112 1376 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 2200p SYMBOL cap 1968 1408 R0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL RES 2144 1392 R0 SYMATTR InstName R1 SYMATTR Value 22K SYMBOL schottky 2032 1248 M180 WINDOW 0 32 56 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value MBRS1100 SYMBOL ind 2112 1184 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 220µ SYMBOL polcap 2384 1184 R0 SYMATTR SpiceLine Rser=.1 SYMATTR InstName C3 SYMATTR Value 100µ SYMBOL res 2256 1184 R0 SYMATTR InstName R2 SYMATTR Value 36.5K SYMBOL res 2256 1312 R0 SYMATTR InstName R3 SYMATTR Value 12.1K SYMBOL POWERPRODUCTS\\LT1776 1792 1248 R0 WINDOW 3 -36 85 Left 2 SYMATTR InstName U1 SYMBOL res 2496 1168 R0 SYMATTR InstName Rload SYMATTR Value 10 TEXT 2336 1472 Left 2 !.tran 2m startup