Version 4
SHEET 1 2712 1832
WIRE 2096 1296 1984 1296
WIRE 2192 1296 2096 1296
WIRE 2384 1296 2256 1296
WIRE 1824 1328 1600 1328
WIRE 2096 1328 2096 1296
WIRE 1600 1344 1600 1328
WIRE 1824 1360 1824 1328
WIRE 1984 1360 1984 1296
WIRE 2208 1376 2176 1376
WIRE 2272 1376 2208 1376
WIRE 2384 1376 2384 1296
WIRE 2384 1376 2352 1376
WIRE 2448 1376 2384 1376
WIRE 2560 1376 2448 1376
WIRE 2208 1392 2208 1376
WIRE 2448 1392 2448 1376
WIRE 2560 1392 2560 1376
WIRE 1600 1440 1600 1424
WIRE 1744 1440 1728 1440
WIRE 2096 1440 2096 1392
WIRE 2096 1440 2064 1440
WIRE 2176 1440 2176 1376
WIRE 2176 1440 2096 1440
WIRE 2208 1488 2208 1456
WIRE 2448 1488 2448 1456
WIRE 2560 1488 2560 1472
WIRE 2384 1520 2384 1376
WIRE 2384 1520 2064 1520
WIRE 1648 1600 1616 1600
WIRE 1744 1600 1712 1600
WIRE 2384 1600 2064 1600
WIRE 2384 1616 2384 1600
WIRE 1904 1712 1904 1680
WIRE 2384 1712 2384 1696
FLAG 2208 1488 0
FLAG 2384 1712 0
FLAG 2448 1488 0
FLAG 2560 1488 0
FLAG 1904 1712 0
FLAG 1616 1600 0
FLAG 1600 1440 0
FLAG 2560 1376 OUT
FLAG 1600 1328 IN
SYMBOL ind 2256 1392 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 5µ
SYMBOL cap 1712 1584 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1000p
SYMBOL cap 2080 1392 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value .33µ
SYMBOL schottky 2192 1456 M180
WINDOW 0 34 63 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5819
SYMBOL polcap 2432 1392 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=.1
SYMBOL RES 2368 1504 R0
SYMATTR InstName R1
SYMATTR Value 15.4K
SYMBOL res 2368 1600 R0
SYMATTR InstName R2
SYMATTR Value 4.99K
SYMBOL diode 2256 1280 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N914
SYMBOL VOLTAGE 1600 1328 R0
SYMATTR InstName V1
SYMATTR Value 20
SYMBOL POWERPRODUCTS\\LT1956 1904 1520 R0
SYMATTR InstName U1
SYMBOL res 2544 1376 R0
SYMATTR InstName Rload
SYMATTR Value 10
TEXT 2088 1664 Left 2 !.tran 2m startup