Version 4 SHEET 1 3696 1528 WIRE 48 336 -336 336 WIRE -336 400 -336 336 WIRE -96 432 -160 432 WIRE 48 432 -16 432 WIRE 528 432 432 432 WIRE 752 432 528 432 WIRE 864 432 752 432 WIRE 976 432 864 432 WIRE 752 464 752 432 WIRE 864 464 864 432 WIRE 976 464 976 432 WIRE 672 528 432 528 WIRE -336 544 -336 480 WIRE 752 576 752 528 WIRE 864 576 864 528 WIRE 976 576 976 528 WIRE 528 624 528 432 WIRE 528 624 432 624 WIRE -448 720 -544 720 WIRE -320 720 -448 720 WIRE 48 720 -320 720 WIRE 480 720 432 720 WIRE 672 720 672 528 WIRE 672 720 560 720 WIRE -448 752 -448 720 WIRE -320 752 -320 720 WIRE -80 816 -128 816 WIRE 48 816 0 816 WIRE 672 816 672 720 WIRE 672 816 432 816 WIRE -448 864 -448 816 WIRE -320 864 -320 816 WIRE -144 912 -208 912 WIRE 48 912 -64 912 WIRE 480 912 432 912 WIRE 608 912 560 912 WIRE -544 928 -544 720 WIRE -448 928 -544 928 WIRE -544 1008 -544 928 WIRE -80 1008 -128 1008 WIRE 48 1008 0 1008 WIRE 496 1008 432 1008 WIRE 608 1008 560 1008 WIRE -448 1024 -448 928 WIRE 48 1088 -16 1088 WIRE -544 1136 -544 1088 WIRE -448 1136 -448 1088 WIRE -208 1216 -208 912 WIRE 672 1216 672 816 WIRE 672 1216 -208 1216 FLAG 752 576 0 FLAG 864 576 0 FLAG 976 576 0 FLAG -160 432 0 FLAG -16 1088 0 FLAG -128 1008 0 FLAG -336 544 0 FLAG -128 816 0 FLAG 608 912 0 FLAG 608 1008 0 FLAG -320 864 0 FLAG -448 864 0 FLAG -448 1136 0 FLAG -544 1136 0 FLAG -336 336 IN FLAG -544 720 OUT SYMBOL cap 736 464 R0 SYMATTR InstName C1 SYMATTR Value 20µ SYMATTR SpiceLine Rser=15m SYMBOL cap 848 464 R0 SYMATTR InstName C2 SYMATTR Value 100µ SYMATTR SpiceLine Rser=30m SYMBOL schottky 960 528 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value RBR2M40C SYMATTR Description Diode SYMATTR Type diode SYMBOL res 576 704 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 100k SYMBOL res 0 416 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 20k SYMBOL res -48 896 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 4.99k SYMBOL res 16 992 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 1 SYMBOL voltage -336 384 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 124 Left 2 SYMATTR SpiceLine Rser=25m SYMATTR InstName V1 SYMATTR Value 12 SYMBOL res 16 800 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 11.5k SYMBOL res 576 896 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 87.6k SYMBOL cap 560 992 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 0.01µ SYMBOL cap -336 752 R0 SYMATTR InstName C4 SYMATTR Value 20µ SYMATTR SpiceLine Rser=15m SYMBOL cap -464 752 R0 SYMATTR InstName C5 SYMATTR Value 100µ SYMATTR SpiceLine Rser=30m SYMBOL schottky -464 1088 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMATTR Value dLoad SYMATTR Description Diode SYMATTR Type diode SYMBOL current -544 1008 R0 WINDOW 3 -60 178 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(1.0 100 15m 1m 0 10m) SYMATTR InstName I1 SYMBOL LTM4656 240 720 R0 SYMATTR InstName U1 TEXT 632 336 Left 2 !.tran 30m startup TEXT -136 1184 Left 2 !.model dLoad D(Ron=10m Roff=10G Vfwd=10m Epsilon=5m)