Version 4
SHEET 1 2460 1648
WIRE 1568 1232 1472 1232
WIRE 1680 1232 1568 1232
WIRE 1728 1232 1680 1232
WIRE 1840 1232 1808 1232
WIRE 1872 1232 1840 1232
WIRE 1984 1232 1936 1232
WIRE 2048 1232 1984 1232
WIRE 1472 1248 1472 1232
WIRE 1984 1264 1984 1232
WIRE 1680 1280 1680 1232
WIRE 1840 1280 1840 1232
WIRE 1472 1344 1472 1328
WIRE 1984 1344 1984 1328
WIRE 2048 1360 2048 1232
WIRE 1568 1488 1568 1232
WIRE 1616 1488 1568 1488
WIRE 2048 1488 2048 1424
WIRE 2048 1488 1904 1488
WIRE 2048 1504 2048 1488
WIRE 1760 1584 1760 1568
WIRE 2048 1600 2048 1584
FLAG 1760 1584 0
FLAG 1472 1344 0
FLAG 1984 1344 0
FLAG 2048 1600 0
FLAG 1472 1232 IN
SYMBOL ind 1712 1248 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 6µ
SYMBOL VOLTAGE 1472 1232 R0
SYMATTR InstName V1
SYMATTR Value 3
SYMBOL schottky 1872 1248 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D5
SYMATTR Value MBR0540
SYMBOL cap 1968 1264 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL PowerProducts\\LT1937 1760 1424 R0
SYMATTR InstName U1
SYMBOL res 2032 1488 R0
SYMATTR InstName R1
SYMATTR Value 6.3
SYMBOL LED 2032 1360 R0
WINDOW 0 24 5 Left 2
WINDOW 3 25 66 Left 2
WINDOW 123 25 94 Left 2
SYMATTR InstName D1
SYMATTR Value NSPW500BS
SYMATTR Description Diode
SYMATTR Type diode
SYMATTR Value2 N=3
TEXT 2136 1600 Left 2 !.tran 500u startup