Version 4 SHEET 1 3068 2420 WIRE 304 -512 224 -512 WIRE 448 -512 384 -512 WIRE 464 -512 448 -512 WIRE 624 -512 560 -512 WIRE -192 -368 -288 -368 WIRE 224 -368 224 -512 WIRE 224 -368 -192 -368 WIRE 272 -368 224 -368 WIRE 400 -368 352 -368 WIRE 512 -368 400 -368 WIRE 624 -368 624 -512 WIRE 624 -368 576 -368 WIRE 752 -368 624 -368 WIRE 848 -368 832 -368 WIRE 896 -368 848 -368 WIRE 992 -368 896 -368 WIRE -288 -352 -288 -368 WIRE 896 -352 896 -368 WIRE 992 -352 992 -368 WIRE 448 -320 448 -512 WIRE 576 -320 448 -320 WIRE 224 -304 224 -368 WIRE 704 -304 224 -304 WIRE 400 -288 400 -368 WIRE -288 -256 -288 -272 WIRE 896 -256 896 -288 WIRE 992 -256 992 -272 WIRE 352 -208 192 -208 WIRE 400 -160 400 -192 WIRE 400 -160 304 -160 WIRE 400 -144 400 -160 WIRE 400 -48 400 -64 WIRE 400 -48 368 -48 WIRE 400 -32 400 -48 WIRE 192 0 192 -208 WIRE 304 0 304 -160 WIRE 368 0 368 -48 WIRE 480 0 480 -464 WIRE -192 16 -192 -368 WIRE -16 16 -192 16 WIRE -192 32 -192 16 WIRE -16 80 -16 16 WIRE 128 80 -16 80 WIRE 576 80 576 -320 WIRE 576 80 544 80 WIRE -192 128 -192 112 WIRE 128 128 -192 128 WIRE 592 128 544 128 WIRE 704 128 704 -304 WIRE 704 128 592 128 WIRE -192 144 -192 128 WIRE 704 144 704 128 WIRE 848 160 848 -368 WIRE 32 176 16 176 WIRE 128 176 112 176 WIRE 592 176 592 128 WIRE 592 176 544 176 WIRE -64 224 -96 224 WIRE 16 224 16 176 WIRE 16 224 0 224 WIRE 128 224 16 224 WIRE 704 224 704 208 WIRE 704 224 544 224 WIRE -192 240 -192 224 WIRE 32 272 16 272 WIRE 128 272 112 272 WIRE 848 272 848 240 WIRE 848 272 544 272 WIRE 832 320 544 320 WIRE 832 336 832 320 WIRE 576 384 544 384 WIRE 624 384 576 384 WIRE 736 384 704 384 WIRE 576 400 576 384 WIRE 736 400 736 384 WIRE 832 432 832 416 WIRE 192 448 192 432 WIRE 320 448 320 432 WIRE 432 448 432 432 WIRE 576 480 576 464 WIRE 736 480 736 464 WIRE 320 528 320 512 WIRE 432 528 432 512 FLAG 896 -256 0 FLAG 992 -256 0 FLAG -288 -256 0 FLAG 992 -368 OUT FLAG 320 528 0 FLAG 576 480 0 FLAG 736 480 0 FLAG -192 240 0 FLAG 16 272 0 FLAG 432 528 0 FLAG 192 448 0 FLAG -96 224 0 FLAG -288 -368 IN FLAG 400 -32 0 FLAG 832 432 0 SYMBOL res 16 192 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 100K SYMBOL cap 512 -352 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C1 SYMATTR Value 34µ SYMATTR SpiceLine Rser=2m SYMBOL LT8714 336 208 R0 SYMATTR InstName U1 SYMATTR Description Synchronous Boost/Inverting DC/DC Converter with Soft-Start SYMBOL ind2 256 -352 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR Type ind SYMATTR SpiceLine Rser=13.9m SYMBOL ind2 848 -352 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 10µ SYMATTR Type ind SYMATTR SpiceLine Rser=13.9m SYMBOL res 384 -160 R0 WINDOW 3 29 80 Left 2 SYMATTR InstName R2 SYMATTR Value 2.5m SYMBOL res 288 -496 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 6m SYMBOL NMOS 352 -288 R0 WINDOW 3 41 104 Right 2 SYMATTR Value BSC093N04LS SYMATTR InstName Q1 SYMBOL PMOS 560 -464 M270 WINDOW 0 54 37 VTop 2 WINDOW 3 -14 76 VLeft 2 WINDOW 123 -42 69 VLeft 2 SYMATTR InstName Q2 SYMATTR Value Si4401DY SYMATTR Value2 m=2 SYMBOL cap 304 448 R0 SYMATTR InstName C2 SYMATTR Value 47n SYMBOL cap 416 448 R0 SYMATTR InstName C3 SYMATTR Value 10n SYMBOL cap 560 400 R0 SYMATTR InstName C4 SYMATTR Value 100p SYMBOL cap 720 400 R0 SYMATTR InstName C5 SYMATTR Value 10n SYMBOL res 608 400 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 4.75K SYMBOL res 128 256 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 178K SYMBOL res -208 128 R0 SYMATTR InstName R6 SYMATTR Value 10K SYMBOL res -208 16 R0 SYMATTR InstName R7 SYMATTR Value 51.1K SYMBOL cap 0 208 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value 2.2µ SYMBOL cap 880 -352 R0 SYMATTR InstName C7 SYMATTR Value 200µ SYMATTR SpiceLine Rser=1m SYMBOL cap 688 144 R0 SYMATTR InstName C8 SYMATTR Value 2.2µ SYMBOL res 832 144 R0 SYMATTR InstName R8 SYMATTR Value 73.2K SYMBOL VOLTAGE -288 -368 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 44 Left 2 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL VOLTAGE 832 320 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 44 Left 2 SYMATTR InstName V2 SYMATTR Value PWL(0 0 10u 0 50u 0.1 3m 0.1 4m 1) SYMBOL res 976 -368 R0 SYMATTR InstName Rload SYMATTR Value 1 TEXT 808 512 Left 2 !.tran 5m startup TEXT 960 -464 Bottom 2 !K1 L1 L2 .985 TEXT 432 560 Top 2 ;SS Cap 10nF for faster simulation