Version 4
SHEET 1 1584 1140
WIRE 464 480 352 480
WIRE 624 480 464 480
WIRE 352 496 352 480
WIRE 624 512 624 480
WIRE 464 560 464 480
WIRE 496 560 464 560
WIRE 816 560 752 560
WIRE 864 560 816 560
WIRE 976 560 944 560
WIRE 1088 560 976 560
WIRE 1184 560 1088 560
WIRE 816 576 816 560
WIRE 976 576 976 560
WIRE 1088 576 1088 560
WIRE 1184 576 1184 560
WIRE 352 592 352 576
WIRE 496 624 480 624
WIRE 768 624 752 624
WIRE 816 656 816 640
WIRE 1088 672 1088 640
WIRE 1184 672 1184 656
WIRE 464 688 464 560
WIRE 496 688 464 688
WIRE 976 688 976 656
WIRE 976 688 752 688
WIRE 976 704 976 688
WIRE 624 752 624 736
WIRE 976 800 976 784
FLAG 1184 560 OUT
FLAG 1088 672 0
FLAG 1184 672 0
FLAG 816 656 0
FLAG 624 752 0
FLAG 976 800 0
FLAG 352 592 0
FLAG 352 480 IN
SYMBOL VOLTAGE 352 480 R0
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL RES 960 688 R0
SYMATTR InstName R2
SYMATTR Value 31.5K
SYMBOL RES 960 560 R0
SYMATTR InstName R1
SYMATTR Value 93.5K
SYMBOL IND 848 576 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=0.02 Rpar=5000
SYMBOL SCHOTTKY 800 640 M180
WINDOW 0 33 63 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MBRS140
SYMBOL POLCAP 1072 576 R0
SYMATTR InstName C2
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=0.02
SYMBOL PowerProducts\\LTC1174HV 624 624 R0
SYMATTR InstName U1
SYMBOL RES 1168 560 R0
SYMATTR InstName Rload
SYMATTR Value 20
TEXT 704 776 Left 2 !.tran 2m startup