Version 4
SHEET 1 2368 740
WIRE 256 32 256 16
WIRE 608 32 608 16
WIRE 320 128 112 128
WIRE 720 128 576 128
WIRE 112 160 112 128
WIRE 832 176 832 160
WIRE 256 192 256 112
WIRE 320 192 256 192
WIRE 608 192 608 112
WIRE 608 192 576 192
WIRE 720 192 720 128
WIRE 320 256 208 256
WIRE 608 256 576 256
WIRE 16 272 16 256
WIRE 256 288 256 192
WIRE 992 304 992 288
WIRE 208 320 208 256
WIRE 608 320 608 256
WIRE 896 320 896 288
WIRE 16 368 16 352
WIRE 112 368 112 240
WIRE 112 368 16 368
WIRE 128 368 112 368
WIRE 256 368 256 352
WIRE 256 368 224 368
WIRE 448 368 448 304
WIRE 448 368 256 368
WIRE 544 368 448 368
WIRE 592 368 544 368
WIRE 720 368 720 272
WIRE 720 368 688 368
WIRE 832 368 832 256
WIRE 832 368 720 368
WIRE 544 416 544 368
WIRE 896 416 896 384
WIRE 896 416 544 416
WIRE 992 416 992 384
WIRE 992 416 896 416
FLAG 256 16 0
FLAG 608 16 0
FLAG 16 256 0
FLAG 832 160 0
FLAG 896 288 0
FLAG 992 288 0
SYMBOL PowerProducts\\LTC4354 448 208 R0
SYMATTR InstName U1
SYMBOL res 240 16 R0
SYMATTR InstName R1
SYMATTR Value 12K
SYMBOL res 96 144 R0
SYMATTR InstName R2
SYMATTR Value 2K
SYMBOL nmos 128 320 M90
WINDOW 0 3 49 VBottom 2
WINDOW 3 53 47 VTop 2
SYMATTR InstName Q1
SYMATTR Value Si4486EY
SYMBOL nmos 688 320 R90
WINDOW 0 5 47 VBottom 2
WINDOW 3 51 46 VTop 2
SYMATTR InstName Q2
SYMATTR Value Si4486EY
SYMBOL res 704 176 R0
SYMATTR InstName R3
SYMATTR Value 2K
SYMBOL res 592 16 R0
SYMATTR InstName R4
SYMATTR Value 33K
SYMBOL cap 240 288 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL voltage 16 256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL voltage 832 160 R0
WINDOW 3 33 80 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 55 10m 100u 100u 10m 100m)
SYMATTR InstName V2
SYMBOL cap 880 320 R0
SYMATTR InstName C2
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=1m
SYMBOL res 976 288 R0
SYMATTR InstName R5
SYMATTR Value 10
TEXT 656 440 Left 2 !.tran 100m startup