Version 4 SHEET 1 1228 1028 WIRE -368 -400 -512 -400 WIRE -272 -400 -368 -400 WIRE 32 -400 -272 -400 WIRE 560 -400 32 -400 WIRE -512 -384 -512 -400 WIRE -368 -384 -368 -400 WIRE 176 -384 -192 -384 WIRE 448 -384 176 -384 WIRE 480 -384 448 -384 WIRE 416 -368 -64 -368 WIRE 480 -368 480 -384 WIRE 32 -352 32 -400 WIRE 176 -352 176 -384 WIRE -512 -288 -512 -304 WIRE -368 -288 -368 -304 WIRE -64 -288 -64 -368 WIRE -64 -288 -368 -288 WIRE -48 -288 -64 -288 WIRE 416 -288 416 -368 WIRE 416 -288 400 -288 WIRE 480 -288 480 -304 WIRE -368 -192 -368 -208 WIRE -192 -192 -192 -384 WIRE -160 -192 -192 -192 WIRE -48 -192 -80 -192 WIRE -272 -176 -272 -400 WIRE 560 -176 560 -400 WIRE -48 -96 -224 -96 WIRE 512 -96 400 -96 WIRE -192 -80 -192 -192 WIRE 448 -80 448 -384 WIRE -192 0 -192 -16 WIRE -48 0 -192 0 WIRE 448 0 448 -16 WIRE 448 0 400 0 WIRE -192 16 -192 0 WIRE 448 16 448 0 WIRE -640 96 -752 96 WIRE -544 96 -640 96 WIRE -528 96 -544 96 WIRE -432 96 -448 96 WIRE -400 96 -432 96 WIRE -272 96 -272 -80 WIRE -272 96 -320 96 WIRE -192 96 -192 80 WIRE -192 96 -272 96 WIRE -48 96 -192 96 WIRE 448 96 448 80 WIRE 448 96 400 96 WIRE 560 96 560 -80 WIRE 560 96 448 96 WIRE 608 96 560 96 WIRE 720 96 688 96 WIRE 736 96 720 96 WIRE 832 96 816 96 WIRE -752 112 -752 96 WIRE -640 112 -640 96 WIRE -272 112 -272 96 WIRE 560 112 560 96 WIRE -48 192 -224 192 WIRE 512 192 400 192 WIRE -752 208 -752 192 WIRE -640 208 -640 176 WIRE -272 224 -272 208 WIRE 560 224 560 208 WIRE -432 288 -432 96 WIRE -48 288 -432 288 WIRE 720 288 720 96 WIRE 720 288 400 288 WIRE -544 384 -544 96 WIRE -448 384 -544 384 WIRE -368 384 -448 384 WIRE -48 384 -368 384 WIRE 608 384 400 384 WIRE 832 384 832 96 WIRE 832 384 608 384 WIRE -448 400 -448 384 WIRE -544 480 -544 464 WIRE -448 480 -448 464 WIRE -448 480 -544 480 WIRE -352 480 -448 480 WIRE -48 480 -352 480 WIRE 592 480 400 480 WIRE -544 496 -544 480 WIRE -224 576 -272 576 WIRE -80 576 -160 576 WIRE -48 576 -80 576 WIRE 576 576 400 576 WIRE -544 592 -544 576 WIRE -224 672 -272 672 WIRE -64 672 -160 672 WIRE -48 672 -64 672 WIRE 560 672 400 672 WIRE 464 768 400 768 WIRE 464 784 464 768 WIRE 464 880 464 864 WIRE 32 944 32 928 WIRE 320 944 320 928 WIRE -64 976 -64 672 WIRE 560 976 560 672 WIRE 560 976 -64 976 WIRE -80 992 -80 576 WIRE 576 992 576 576 WIRE 576 992 -80 992 WIRE -352 1008 -352 480 WIRE 592 1008 592 480 WIRE 592 1008 -352 1008 WIRE -368 1024 -368 384 WIRE 608 1024 608 384 WIRE 608 1024 -368 1024 FLAG -512 -288 0 FLAG 32 944 0 FLAG 320 944 0 FLAG 560 224 0 FLAG 480 -288 0 FLAG -272 224 0 FLAG -640 208 0 FLAG -544 592 0 FLAG -752 208 0 FLAG -272 576 0 FLAG -272 672 0 FLAG -512 -400 IN FLAG -752 96 OUT FLAG -368 -192 0 FLAG 464 880 0 SYMBOL voltage -512 -400 R0 SYMATTR InstName V1 SYMATTR Value 48 SYMBOL nmos 512 -176 R0 SYMATTR InstName Q1 SYMATTR Value RJK0651DPB SYMBOL diode 432 -80 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL cap 464 -368 R0 SYMATTR InstName C1 SYMATTR Value 4.7µ SYMBOL cap 432 16 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL ind 592 112 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR SpiceLine Rser=22m SYMBOL res 720 112 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 3m SYMBOL diode -208 -80 R0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL cap -208 16 R0 SYMATTR InstName C6 SYMATTR Value .1µ SYMBOL ind -304 112 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 10µ SYMBOL res -432 112 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 3m SYMBOL cap -656 112 R0 WINDOW 123 26 68 Left 2 WINDOW 3 36 36 Left 2 SYMATTR Value2 x2 SYMATTR Value 150µ SYMATTR InstName C7 SYMATTR SpiceLine Rser=22m SYMBOL res -560 368 R0 SYMATTR InstName R5 SYMATTR Value 499K SYMBOL res -560 480 R0 SYMATTR InstName R6 SYMATTR Value 35.7K SYMBOL cap -160 592 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 WINDOW 39 -22 56 VBottom 2 SYMATTR InstName C8 SYMATTR Value 4700p SYMATTR SpiceLine Rser=9.76K Cpar=100p SYMBOL cap -160 688 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C9 SYMATTR Value .002µ SYMBOL res -768 96 R0 SYMATTR InstName Rload SYMATTR Value .48 SYMBOL PowerProducts\\LTC3890-2 176 288 R0 SYMATTR InstName U1 SYMBOL res -384 -400 R0 SYMATTR InstName R7 SYMATTR Value 1Meg SYMBOL res -384 -304 R0 SYMATTR InstName R8 SYMATTR Value 57.6K SYMBOL res -176 -176 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R9 SYMATTR Value 100K SYMBOL nmos 512 112 R0 SYMATTR InstName Q2 SYMATTR Value RJK0651DPB SYMBOL nmos -224 112 M0 SYMATTR InstName Q3 SYMATTR Value RJK0651DPB SYMBOL nmos -224 -176 M0 SYMATTR InstName Q4 SYMATTR Value RJK0651DPB SYMBOL res 448 768 R0 SYMATTR InstName R10 SYMATTR Value 30.1K SYMBOL cap -464 400 R0 SYMATTR InstName C4 SYMATTR Value 10p TEXT 640 528 Left 2 !.tran 1m startup