Version 4 SHEET 1 2312 1212 WIRE -672 -160 -768 -160 WIRE 16 -160 -672 -160 WIRE 512 -160 16 -160 WIRE -768 -144 -768 -160 WIRE 128 -144 -112 -144 WIRE 752 -144 128 -144 WIRE 128 -128 128 -144 WIRE -768 -48 -768 -64 WIRE 128 -48 128 -64 WIRE 128 -48 -240 -48 WIRE 352 -48 128 -48 WIRE 512 -48 512 -160 WIRE 592 -48 512 -48 WIRE 752 -48 752 -144 WIRE 752 -48 656 -48 WIRE 16 -16 16 -160 WIRE 128 -16 128 -48 WIRE 512 -16 512 -48 WIRE -112 64 -112 -144 WIRE -64 64 -112 64 WIRE 464 64 320 64 WIRE -544 144 -560 144 WIRE -64 144 -464 144 WIRE 416 144 320 144 WIRE 512 144 512 80 WIRE 512 144 480 144 WIRE 608 144 512 144 WIRE 752 144 752 -48 WIRE 752 144 704 144 WIRE 848 144 752 144 WIRE 896 144 848 144 WIRE 1008 144 896 144 WIRE 896 160 896 144 WIRE 1008 160 1008 144 WIRE -352 224 -368 224 WIRE -208 224 -272 224 WIRE -64 224 -128 224 WIRE 512 224 512 144 WIRE 512 224 320 224 WIRE 688 256 688 192 WIRE 688 256 384 256 WIRE 896 256 896 224 WIRE 1008 256 1008 240 WIRE 512 272 512 224 WIRE -112 304 -112 64 WIRE -64 304 -112 304 WIRE 384 304 384 256 WIRE 384 304 320 304 WIRE -112 384 -112 304 WIRE -64 384 -112 384 WIRE 384 384 320 384 WIRE 512 384 512 352 WIRE 512 384 384 384 WIRE 752 448 752 144 WIRE -240 464 -240 -48 WIRE -64 464 -240 464 WIRE 384 464 384 448 WIRE 384 464 320 464 WIRE 512 464 384 464 WIRE 512 480 512 464 WIRE -240 528 -240 464 WIRE -64 544 -80 544 WIRE 752 544 752 528 WIRE 752 544 320 544 WIRE 752 560 752 544 WIRE -240 656 -240 608 WIRE -80 656 -240 656 WIRE 752 656 752 640 WIRE -112 704 -112 384 WIRE -112 704 -240 704 WIRE 352 704 352 -48 WIRE 352 704 320 704 WIRE -240 784 -240 704 WIRE -160 784 -240 784 WIRE -80 784 -80 656 WIRE -80 784 -96 784 WIRE -64 784 -80 784 WIRE 352 784 352 704 WIRE 352 784 320 784 WIRE -240 864 -240 784 WIRE -224 864 -240 864 WIRE -64 864 -160 864 WIRE 240 960 240 944 WIRE 16 976 16 944 WIRE -672 1024 -672 -160 WIRE -64 1024 -672 1024 WIRE 128 1024 128 944 WIRE 128 1024 32 1024 WIRE 160 1024 128 1024 WIRE 320 1024 224 1024 WIRE 848 1024 848 144 WIRE 848 1024 320 1024 WIRE -672 1120 -672 1024 WIRE 80 1120 -672 1120 WIRE 320 1120 320 1024 WIRE 320 1120 144 1120 FLAG 896 256 0 FLAG 1008 256 0 FLAG 752 656 0 FLAG 1008 144 OUT FLAG -768 -48 0 FLAG -768 -160 IN FLAG -368 224 0 FLAG 512 480 0 FLAG -560 144 0 FLAG 240 960 0 FLAG -80 544 0 SYMBOL nmos 464 -16 R0 WINDOW 0 54 25 Left 2 WINDOW 3 58 63 Left 2 SYMATTR InstName Q1 SYMATTR Value BSC082N10LS SYMBOL ind 496 256 R0 WINDOW 0 53 9 Top 2 WINDOW 3 59 81 Bottom 2 SYMATTR InstName L1 SYMATTR Value 47µ SYMATTR SpiceLine Rser=15m SYMBOL cap 880 160 R0 WINDOW 3 38 32 Left 2 WINDOW 123 31 57 Left 2 SYMATTR Value 4.7µ SYMATTR Value2 x4 SYMATTR SpiceLine Rser=50m SYMATTR InstName C1 SYMBOL res 736 432 R0 SYMATTR InstName R1 SYMATTR Value 10K SYMBOL res 736 544 R0 SYMATTR InstName R2 SYMATTR Value 590K SYMBOL cap 416 160 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 0.1µ SYMBOL cap 112 -128 R0 SYMATTR InstName C3 SYMATTR Value 0.1µ SYMBOL cap -160 848 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 58 55 VTop 2 SYMATTR InstName C4 SYMATTR Value 15n SYMATTR SpiceLine Rser=4.99K Cpar=100p SYMBOL cap -96 768 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 0.01µ SYMBOL voltage -768 -160 R0 WINDOW 3 20 93 Left 2 SYMATTR Value 48 SYMATTR InstName V1 SYMBOL nmos 608 192 R270 WINDOW 0 51 48 VTop 2 WINDOW 3 -14 74 VLeft 2 SYMATTR InstName Q2 SYMATTR Value BSC082N10LS SYMBOL res 992 144 R0 SYMATTR InstName Rload SYMATTR Value 48 SYMBOL res 496 368 R0 SYMATTR InstName R4 SYMATTR Value 20m SYMBOL cap 368 384 R0 WINDOW 0 29 15 Left 2 SYMATTR InstName C6 SYMATTR Value 1n SYMBOL res -112 208 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 100K SYMBOL nmos -64 976 M90 WINDOW 0 -18 66 VLeft 2 WINDOW 3 51 48 VTop 2 SYMATTR InstName Q3 SYMATTR Value Si4482DY SYMBOL cap 224 1008 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C7 SYMATTR Value 4.7µ SYMBOL LTC3896 128 480 R0 SYMATTR InstName U1 SYMBOL voltage -256 224 M270 WINDOW 3 -32 56 VBottom 2 WINDOW 0 32 56 VTop 2 SYMATTR Value 5 SYMATTR InstName V3 SYMBOL voltage -448 144 M270 WINDOW 3 -32 56 VBottom 2 WINDOW 0 32 56 VTop 2 SYMATTR Value PWL(0 0 100u 0 +1u 5) SYMATTR InstName V4 SYMBOL cap 144 1104 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 123 60 32 VTop 2 SYMATTR InstName C9 SYMATTR Value 0.1µ SYMATTR Value2 x3 SYMBOL cap 656 -64 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 123 53 32 VTop 2 SYMATTR InstName C8 SYMATTR Value 4.7µ SYMATTR Value2 x2 SYMATTR SpiceLine Rser=50m SYMBOL res -256 512 R0 SYMATTR InstName R3 SYMATTR Value 301K TEXT 416 960 Left 2 !.tran 5m startup