Version 4 SHEET 1 1108 820 WIRE -1216 -224 -1376 -224 WIRE -976 -224 -1216 -224 WIRE -400 -224 -832 -224 WIRE -1376 -208 -1376 -224 WIRE -1216 -208 -1216 -224 WIRE -976 -176 -976 -224 WIRE -832 -176 -832 -224 WIRE -1376 -112 -1376 -128 WIRE -1216 -112 -1216 -128 WIRE -1088 -112 -1216 -112 WIRE -672 -112 -704 -112 WIRE -1216 -96 -1216 -112 WIRE -1088 -32 -1120 -32 WIRE -672 -32 -672 -48 WIRE -672 -32 -704 -32 WIRE -608 -32 -672 -32 WIRE -512 -32 -528 -32 WIRE -480 -32 -512 -32 WIRE -400 -32 -400 -224 WIRE -400 -32 -480 -32 WIRE -672 -16 -672 -32 WIRE -480 -16 -480 -32 WIRE -1216 0 -1216 -16 WIRE -1088 48 -1120 48 WIRE -672 48 -704 48 WIRE -480 64 -480 48 WIRE -400 112 -400 -32 WIRE -1120 128 -1120 48 WIRE -1088 128 -1120 128 WIRE -672 128 -704 128 WIRE -512 128 -512 -32 WIRE -512 128 -608 128 WIRE -1184 176 -1360 176 WIRE -1120 176 -1120 128 WIRE -1120 176 -1184 176 WIRE -1360 192 -1360 176 WIRE -1184 192 -1184 176 WIRE -1120 208 -1120 176 WIRE -1088 208 -1120 208 WIRE -400 208 -400 192 WIRE -400 208 -704 208 WIRE -400 224 -400 208 WIRE -1280 288 -1296 288 WIRE -1184 288 -1184 272 WIRE -1184 288 -1200 288 WIRE -1088 288 -1184 288 WIRE -688 288 -704 288 WIRE -592 288 -608 288 WIRE -400 320 -400 304 WIRE -1456 368 -1472 368 WIRE -1360 368 -1360 272 WIRE -1360 368 -1376 368 WIRE -1088 368 -1360 368 WIRE -688 368 -704 368 WIRE -592 368 -608 368 WIRE -896 416 -896 400 FLAG -400 320 0 FLAG -896 416 0 FLAG -1296 288 0 FLAG -480 64 0 FLAG -1472 368 0 FLAG -592 288 0 FLAG -592 368 0 FLAG -1376 -112 0 FLAG -1216 0 0 SYMBOL ind -624 -16 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 100µ SYMATTR SpiceLine Rpar=20K SYMBOL res -416 96 R0 SYMATTR InstName R1 SYMATTR Value 97K SYMBOL res -416 208 R0 SYMATTR InstName R2 SYMATTR Value 9.1K SYMBOL LED -608 112 R90 WINDOW 0 0 6 VLeft 2 WINDOW 3 35 8 VLeft 2 WINDOW 123 59 7 VLeft 2 SYMATTR InstName D1 SYMATTR Value AOT-2015 SYMATTR Value2 N=3 SYMATTR Description Diode SYMATTR Type diode SYMBOL res -1200 176 R0 SYMATTR InstName R3 SYMATTR Value 90.9K SYMBOL res -1184 272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 49.9K SYMBOL voltage -1376 -224 R0 SYMATTR InstName V1 SYMATTR Value 48 SYMBOL cap -496 -16 R0 SYMATTR InstName C1 SYMATTR Value 3.3µ SYMBOL res -1376 176 R0 SYMATTR InstName R5 SYMATTR Value 10K SYMBOL res -1360 352 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 100K SYMBOL res -592 272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 33.2K SYMBOL res -592 352 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 20K SYMBOL schottky -688 48 M180 WINDOW 0 26 63 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMATTR Value MBRS140 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap -688 -112 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL PowerProducts\\LT3597 -896 128 R0 SYMATTR InstName U1 SYMBOL res -1232 -224 R0 SYMATTR InstName R9 SYMATTR Value 270KK SYMBOL res -1232 -112 R0 SYMATTR InstName R10 SYMATTR Value 91K TEXT -584 424 Left 2 !.tran .75m startup