Version 4 SHEET 1 1912 804 WIRE 80 -272 48 -272 WIRE 176 -272 144 -272 WIRE 336 -272 304 -272 WIRE 432 -272 400 -272 WIRE 48 -208 48 -272 WIRE 176 -208 176 -272 WIRE 304 -208 304 -272 WIRE 432 -208 432 -272 WIRE -64 -144 -208 -144 WIRE -16 -144 -64 -144 WIRE 528 -144 496 -144 WIRE 640 -144 608 -144 WIRE 880 -144 640 -144 WIRE 976 -144 880 -144 WIRE -208 -128 -208 -144 WIRE 880 -128 880 -144 WIRE 976 -128 976 -144 WIRE 640 -96 640 -144 WIRE -64 -48 -64 -144 WIRE -16 -48 -64 -48 WIRE -208 -32 -208 -48 WIRE 880 -32 880 -64 WIRE 976 -32 976 -48 WIRE -64 48 -208 48 WIRE -16 48 -64 48 WIRE 640 48 640 -32 WIRE 640 48 496 48 WIRE -208 64 -208 48 WIRE 640 64 640 48 WIRE -64 144 -64 48 WIRE -16 144 -64 144 WIRE 512 144 496 144 WIRE -208 160 -208 144 WIRE 640 160 640 144 WIRE -64 240 -144 240 WIRE -16 240 -64 240 WIRE 512 240 496 240 WIRE -144 256 -144 240 WIRE -144 336 -144 320 WIRE -64 336 -64 240 WIRE -16 336 -64 336 WIRE 512 336 496 336 WIRE -16 432 -160 432 WIRE 512 432 496 432 WIRE -160 448 -160 432 WIRE -16 528 -48 528 WIRE 512 528 496 528 WIRE 608 528 592 528 WIRE -160 544 -160 528 WIRE -48 544 -48 528 WIRE -48 544 -160 544 WIRE -160 560 -160 544 WIRE -16 624 -48 624 WIRE 528 624 496 624 WIRE -160 656 -160 640 WIRE -48 656 -48 624 WIRE -48 656 -160 656 WIRE -160 672 -160 656 WIRE 80 704 80 688 WIRE 256 704 256 688 WIRE 416 704 416 688 WIRE -160 768 -160 752 FLAG -208 -32 0 FLAG -208 160 0 FLAG -144 336 0 FLAG -160 768 0 FLAG 80 704 0 FLAG 256 704 0 FLAG 416 704 0 FLAG 528 624 0 FLAG 608 528 0 FLAG 880 -32 0 FLAG 976 -32 0 FLAG 640 160 0 FLAG 976 -144 OUT FLAG -208 -144 IN1 FLAG -208 48 IN2 SYMBOL PowerProducts\\LTC3126 240 240 R0 SYMATTR InstName U1 SYMBOL cap 144 -288 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .1µ SYMATTR SpiceLine Rser=1m SYMBOL cap 400 -288 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value .1µ SYMATTR SpiceLine Rser=1m SYMBOL voltage -208 -144 R0 SYMATTR InstName V1 SYMATTR Value 15 SYMBOL voltage -208 48 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 12 SYMBOL cap -160 256 R0 SYMATTR InstName C3 SYMATTR Value 1µ SYMBOL res -176 432 R0 SYMATTR InstName R1 SYMATTR Value 499K SYMBOL res -176 544 R0 SYMATTR InstName R2 SYMATTR Value 249K SYMBOL res -176 656 R0 SYMATTR InstName R3 SYMATTR Value 249K SYMBOL ind 512 -128 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 2.2µ SYMATTR SpiceLine Rser=5m SYMBOL cap 864 -128 R0 SYMATTR InstName C4 SYMATTR Value 47µ SYMATTR SpiceLine V=6.3 Irms=0 Rser=.001 SYMBOL res 960 -144 R0 SYMATTR InstName R4 SYMATTR Value 1.3 SYMBOL res 496 544 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 16.5K SYMBOL res 624 48 R0 SYMATTR InstName R7 SYMATTR Value 374K SYMBOL cap 624 -96 R0 WINDOW 123 26 65 Left 2 WINDOW 3 42 32 Left 2 SYMATTR Value2 Rpar=1.13Meg SYMATTR InstName C5 SYMATTR Value 10p TEXT 704 688 Left 2 !.tran .9m startup TEXT 712 744 Left 2 ;Note: LTC3126 has a Soft-Start duration of 7.5ms. \n Model has soft-start duration of only 0.75ms.