Version 4 SHEET 1 2472 1616 WIRE 1728 1168 1440 1168 WIRE 1904 1168 1728 1168 WIRE 1440 1184 1440 1168 WIRE 1904 1184 1904 1168 WIRE 1728 1216 1728 1168 WIRE 1440 1280 1440 1264 WIRE 1584 1280 1552 1280 WIRE 1904 1280 1904 1264 WIRE 1904 1280 1872 1280 WIRE 1968 1280 1904 1280 WIRE 2112 1280 2032 1280 WIRE 2240 1280 2112 1280 WIRE 2336 1280 2240 1280 WIRE 2112 1296 2112 1280 WIRE 2240 1296 2240 1280 WIRE 2336 1296 2336 1280 WIRE 2240 1392 2240 1360 WIRE 2336 1392 2336 1376 WIRE 1424 1408 1360 1408 WIRE 1520 1408 1488 1408 WIRE 1584 1408 1520 1408 WIRE 2112 1408 2112 1376 WIRE 2112 1408 1872 1408 WIRE 1360 1424 1360 1408 WIRE 2112 1424 2112 1408 WIRE 1520 1440 1520 1408 WIRE 1728 1488 1728 1472 WIRE 1360 1520 1360 1504 WIRE 1520 1520 1520 1504 WIRE 2112 1520 2112 1504 FLAG 1728 1488 0 FLAG 2112 1520 0 FLAG 2240 1392 0 FLAG 2336 1392 0 FLAG 1520 1520 0 FLAG 1360 1520 0 FLAG 1440 1280 0 FLAG 2336 1280 OUT FLAG 1440 1168 IN SYMBOL ind 1888 1168 R0 SYMATTR InstName L1 SYMATTR Value 3.9µ SYMATTR SpiceLine Rpar=10K SYMBOL schottky 1968 1296 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value PMEG2020AEA SYMBOL RES 2096 1280 R0 SYMATTR InstName R1 SYMATTR Value 90.9K SYMBOL res 2096 1408 R0 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL cap 2224 1296 R0 WINDOW 3 25 56 Left 2 SYMATTR Value 22µ SYMATTR InstName C1 SYMBOL cap 1504 1504 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C2 SYMATTR Value 470p SYMBOL cap 1424 1392 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value .01µ SYMBOL res 1344 1408 R0 SYMATTR InstName R3 SYMATTR Value 4.7K SYMBOL VOLTAGE 1440 1168 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL PowerProducts\\LT3436 1728 1344 R0 SYMATTR InstName U1 SYMBOL res 2320 1280 R0 SYMATTR InstName Rload SYMATTR Value 15 TEXT 1824 1496 Left 2 !.tran 750u startup