Version 4 SHEET 1 884 680 WIRE 320 -144 320 -160 WIRE -80 -96 -208 -96 WIRE 128 -96 -80 -96 WIRE -208 -80 -208 -96 WIRE 128 -64 128 -96 WIRE 320 -64 320 -80 WIRE 16 -16 -80 -16 WIRE 480 -16 432 -16 WIRE 528 -16 480 -16 WIRE 640 -16 528 -16 WIRE 768 -16 640 -16 WIRE 528 0 528 -16 WIRE 640 0 640 -16 WIRE 768 0 768 -16 WIRE -208 16 -208 0 WIRE 448 80 432 80 WIRE 528 96 528 64 WIRE 640 96 640 64 WIRE 768 96 768 80 WIRE 16 176 0 176 WIRE 448 176 448 80 WIRE 448 176 432 176 WIRE 16 272 0 272 WIRE 480 272 480 -16 WIRE 480 272 432 272 WIRE 448 368 432 368 WIRE 480 368 480 272 WIRE -64 464 -96 464 WIRE 16 464 0 464 WIRE 480 464 480 432 WIRE 480 464 432 464 WIRE 544 464 480 464 WIRE 640 464 624 464 WIRE 160 528 160 512 WIRE 288 528 288 512 FLAG -208 16 0 FLAG 0 176 0 FLAG 160 528 0 FLAG 288 528 0 FLAG -96 464 0 FLAG 0 272 0 FLAG 640 464 0 FLAG 528 96 0 FLAG 768 96 0 FLAG 448 368 0 FLAG 768 -16 OUT FLAG -208 -96 IN FLAG 640 96 0 FLAG 320 -160 0 SYMBOL voltage -208 -96 R0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL res -96 -112 R0 SYMATTR InstName R1 SYMATTR Value 10K SYMBOL cap 0 448 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .001µ SYMBOL res 528 480 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 60.4K SYMBOL polcap 512 0 R0 WINDOW 3 39 35 Left 2 WINDOW 123 29 60 Left 2 SYMATTR Value 470µ SYMATTR Value2 x2 SYMATTR InstName C3 SYMATTR SpiceLine V=6.3 Irms=6.7 Rser=0.006 Lser=0 mfg="KEMET" pn="T530X477M006ASE006" type="Tantalum" SYMATTR Description Capacitor SYMATTR Type cap SYMBOL res 752 -16 R0 SYMATTR InstName Rload SYMATTR Value 60m SYMBOL cap 464 368 R0 SYMATTR InstName C2 SYMATTR Value 330p SYMBOL PowerProducts\\LTM4637 224 224 R0 SYMATTR InstName U1 SYMBOL cap 624 0 R0 WINDOW 123 28 56 Left 2 WINDOW 3 42 32 Left 2 SYMATTR Value2 x2 SYMATTR InstName C4 SYMATTR Value 100µ SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R" SYMBOL cap 304 -144 R0 SYMATTR InstName C5 SYMATTR Value 2.2µ TEXT 632 520 Left 2 !.tran 1m startup