Version 4
SHEET 1 2336 1256
WIRE 1008 -80 688 -80
WIRE 1136 -80 1088 -80
WIRE 1488 -80 1392 -80
WIRE 1648 -80 1488 -80
WIRE 688 -64 688 -80
WIRE 1648 -64 1648 -80
WIRE 1136 0 768 0
WIRE 1488 0 1392 0
WIRE 768 16 768 0
WIRE 688 32 688 16
WIRE 1648 32 1648 16
WIRE 1136 80 1072 80
WIRE 1440 80 1392 80
WIRE 1072 96 1072 80
WIRE 1600 96 1488 96
WIRE 768 112 768 96
WIRE 1488 112 1488 96
WIRE 1600 112 1600 96
WIRE 1264 144 1264 128
WIRE 1072 176 1072 160
WIRE 1488 208 1488 176
WIRE 1600 208 1600 192
FLAG 1488 208 0
FLAG 768 112 0
FLAG 1648 32 0
FLAG 688 32 0
FLAG 1072 176 0
FLAG 1264 144 0
FLAG 1600 208 0
SYMBOL voltage 768 0 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 0 1u 1u .5 1)
SYMBOL PowerProducts\\LT1910 1264 0 R0
SYMATTR InstName U1
SYMBOL nmos 1440 0 R0
SYMATTR InstName Q1
SYMATTR Value FDS6612A
SYMBOL res 1472 -96 R0
SYMATTR InstName R1
SYMATTR Value 10m
SYMBOL voltage 1648 -80 R0
SYMATTR InstName V2
SYMATTR Value 24
SYMBOL voltage 688 -80 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL res 1104 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL cap 1056 96 R0
SYMATTR InstName C1
SYMATTR Value .01µ
SYMBOL cap 1472 112 R0
SYMATTR InstName C2
SYMATTR Value 20µ
SYMBOL res 1584 96 R0
SYMATTR InstName R3
SYMATTR Value 5K
TEXT 1232 192 Left 2 !.tran 3 startup