Version 4
SHEET 1 1732 1072
WIRE 16 112 -112 112
WIRE 368 112 304 112
WIRE 464 112 432 112
WIRE 624 112 544 112
WIRE -64 208 -80 208
WIRE 16 208 0 208
WIRE 624 208 624 112
WIRE 624 208 304 208
WIRE 16 304 -16 304
WIRE 416 304 304 304
WIRE 528 304 416 304
WIRE 768 304 528 304
WIRE 768 320 768 304
WIRE 528 352 528 304
WIRE 16 400 -16 400
WIRE 320 400 304 400
WIRE 416 400 416 384
WIRE 416 400 400 400
WIRE 464 400 416 400
WIRE 768 416 768 400
WIRE 624 448 624 208
WIRE 624 448 528 448
WIRE 720 448 624 448
WIRE 528 464 528 448
WIRE 720 464 720 448
WIRE 624 480 624 448
WIRE 528 544 528 528
WIRE 720 560 720 544
WIRE -112 592 -112 112
WIRE 624 592 624 560
WIRE 624 592 -112 592
WIRE 624 608 624 592
WIRE 624 704 624 688
FLAG -16 400 0
FLAG -16 304 0
FLAG -80 208 0
FLAG 720 560 0
FLAG 624 704 0
FLAG 528 544 0
FLAG 768 416 0
SYMBOL PowerProducts\\LT1573 160 256 R0
SYMATTR InstName U1
SYMBOL cap 432 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL res 560 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL pnp 464 448 M180
WINDOW 0 50 67 Left 2
WINDOW 3 46 26 Left 2
SYMATTR InstName Q1
SYMATTR Value D45H11
SYMBOL res 416 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 24
SYMBOL res 400 288 R0
SYMATTR InstName R3
SYMATTR Value 50
SYMBOL cap 0 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .5µ
SYMBOL cap 512 464 R0
SYMATTR InstName C3
SYMATTR Value 250µ
SYMATTR SpiceLine Rser=.1
SYMBOL res 608 464 R0
WINDOW 0 29 46 Left 2
WINDOW 3 27 79 Left 2
SYMATTR InstName R4
SYMATTR Value 1.6K
SYMBOL res 608 592 R0
SYMATTR InstName R5
SYMATTR Value 1K
SYMBOL voltage 768 304 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 704 448 R0
SYMATTR InstName Rload
SYMATTR Value 1
TEXT 768 632 Left 2 !.tran 1m startup