Version 4
SHEET 1 6468 3784
WIRE -1600 -1392 -1920 -1392
WIRE -1920 -1376 -1920 -1392
WIRE -1600 -1312 -1600 -1392
WIRE -1920 -1280 -1920 -1296
WIRE -1936 -1232 -2016 -1232
WIRE -1824 -1232 -1936 -1232
WIRE -1744 -1232 -1824 -1232
WIRE -1360 -1232 -1456 -1232
WIRE -1936 -1216 -1936 -1232
WIRE -1360 -1216 -1360 -1232
WIRE -1824 -1200 -1824 -1232
WIRE -2016 -1168 -2016 -1232
WIRE -2000 -1168 -2016 -1168
WIRE -1360 -1120 -1360 -1136
WIRE -1936 -1104 -1936 -1120
WIRE -1824 -1104 -1824 -1136
WIRE -1824 -1104 -1936 -1104
WIRE -1744 -1104 -1824 -1104
WIRE -1600 -1008 -1600 -1024
FLAG -1920 -1280 0
FLAG -1360 -1120 0
FLAG -1600 -1008 0
FLAG -1920 -1392 IN
FLAG -1360 -1232 OUT
SYMBOL LTC2997 -1600 -1104 R0
SYMATTR InstName U1
SYMBOL res -1376 -1232 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL voltage -1920 -1392 R0
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL cap -1840 -1200 R0
SYMATTR InstName C1
SYMATTR Value 470p
SYMBOL npn -2000 -1216 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
TEXT -1528 -984 Left 2 !.tran 13m startup\n.temp -50 -25 0 25 50 85