Version 4 SHEET 1 932 680 WIRE 80 -240 -192 -240 WIRE -192 -224 -192 -240 WIRE 272 -224 272 -240 WIRE 80 -144 80 -240 WIRE 272 -144 272 -160 WIRE -192 -128 -192 -144 WIRE -112 -96 -352 -96 WIRE -32 -96 -112 -96 WIRE 448 -96 384 -96 WIRE 512 -96 448 -96 WIRE 544 -96 512 -96 WIRE 656 -96 544 -96 WIRE 768 -96 656 -96 WIRE -352 -80 -352 -96 WIRE -112 -80 -112 -96 WIRE 448 -80 448 -96 WIRE 544 -80 544 -96 WIRE 656 -80 656 -96 WIRE 768 -80 768 -96 WIRE -32 0 -112 0 WIRE 400 0 384 0 WIRE -352 16 -352 0 WIRE 544 16 544 -16 WIRE 656 16 656 -16 WIRE 768 16 768 0 WIRE 400 96 400 0 WIRE 400 96 384 96 WIRE -128 192 -144 192 WIRE -32 192 -48 192 WIRE 512 192 512 -96 WIRE 512 192 384 192 WIRE -32 288 -48 288 WIRE 400 288 384 288 WIRE -112 384 -144 384 WIRE -32 384 -48 384 WIRE 448 384 448 -16 WIRE 448 384 384 384 WIRE 560 384 448 384 WIRE 448 400 448 384 WIRE 560 416 560 384 WIRE -32 480 -48 480 WIRE 400 480 384 480 WIRE 448 496 448 480 WIRE 560 496 560 480 WIRE -32 576 -48 576 WIRE 400 576 400 480 WIRE 400 576 384 576 WIRE 432 576 400 576 WIRE 512 576 496 576 WIRE 112 640 112 624 WIRE 240 640 240 624 FLAG 112 640 0 FLAG 240 640 0 FLAG -144 384 0 FLAG -48 288 0 FLAG -144 192 0 FLAG -352 16 0 FLAG -192 -128 0 FLAG 272 -240 0 FLAG 400 288 0 FLAG 448 496 0 FLAG 560 496 0 FLAG 512 576 0 FLAG 544 16 0 FLAG 656 16 0 FLAG 768 16 0 FLAG 768 -96 OUT FLAG -352 -96 IN FLAG -48 576 0 SYMBOL PowerProducts\\LTM4639 176 240 R0 SYMATTR InstName U1 SYMBOL cap -48 368 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .002µ SYMBOL res -32 176 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 100K SYMBOL voltage -352 -96 R0 SYMATTR InstName V1 SYMATTR Value 3.3 SYMBOL res -128 -96 R0 SYMATTR InstName R2 SYMATTR Value 5K SYMBOL voltage -192 -240 R0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL cap 256 -224 R0 SYMATTR InstName C2 SYMATTR Value 2.2µ SYMBOL res 432 384 R0 SYMATTR InstName R3 SYMATTR Value 40.2K SYMBOL cap 544 416 R0 SYMATTR InstName C3 SYMATTR Value 22p SYMBOL cap 432 592 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C4 SYMATTR Value 180p SYMBOL cap 432 -80 R0 SYMATTR InstName C5 SYMATTR Value 180p SYMBOL cap 528 -80 R0 WINDOW 123 24 55 Left 2 WINDOW 3 35 33 Left 2 SYMATTR Value2 x2 SYMATTR InstName C6 SYMATTR Value 100µ SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R" SYMBOL polcap 640 -80 R0 WINDOW 3 36 34 Left 2 WINDOW 123 27 57 Left 2 SYMATTR Value 680µ SYMATTR Value2 x2 SYMATTR InstName C7 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=2.5 Irms=6.5 Rser=0.006 Lser=0 mfg="KEMET" pn="T530D687M2R5ASE006" type="Tantalum" SYMBOL res 752 -96 R0 SYMATTR InstName Rload SYMATTR Value 75m TEXT 680 536 Left 2 !.tran 1.2m startup