Version 4
SHEET 1 1272 852
WIRE -304 -400 -416 -400
WIRE 32 -400 -304 -400
WIRE 592 -400 32 -400
WIRE -416 -384 -416 -400
WIRE -176 -384 -256 -384
WIRE -144 -384 -176 -384
WIRE 176 -384 -144 -384
WIRE 448 -384 176 -384
WIRE -256 -368 -256 -384
WIRE -144 -368 -144 -384
WIRE 896 -368 320 -368
WIRE 32 -352 32 -400
WIRE 176 -352 176 -384
WIRE 320 -352 320 -368
WIRE -416 -288 -416 -304
WIRE -256 -288 -256 -304
WIRE -144 -272 -144 -288
WIRE -48 -272 -144 -272
WIRE 464 -272 400 -272
WIRE 560 -272 544 -272
WIRE -48 -176 -64 -176
WIRE 416 -176 400 -176
WIRE -304 -160 -304 -400
WIRE 592 -160 592 -400
WIRE -48 -80 -256 -80
WIRE 544 -80 400 -80
WIRE -176 -64 -176 -384
WIRE 448 -64 448 -384
WIRE -176 16 -176 0
WIRE -48 16 -176 16
WIRE 448 16 448 0
WIRE 448 16 400 16
WIRE -176 32 -176 16
WIRE 448 32 448 16
WIRE -736 112 -880 112
WIRE -656 112 -736 112
WIRE -608 112 -656 112
WIRE -592 112 -608 112
WIRE -496 112 -512 112
WIRE -432 112 -496 112
WIRE -304 112 -304 -64
WIRE -304 112 -352 112
WIRE -176 112 -176 96
WIRE -176 112 -304 112
WIRE -48 112 -176 112
WIRE 448 112 448 96
WIRE 448 112 400 112
WIRE 592 112 592 -64
WIRE 592 112 448 112
WIRE 640 112 592 112
WIRE 784 112 720 112
WIRE 800 112 784 112
WIRE 896 112 896 -368
WIRE 896 112 880 112
WIRE 944 112 896 112
WIRE 1024 112 944 112
WIRE 1120 112 1024 112
WIRE -880 128 -880 112
WIRE -736 128 -736 112
WIRE -304 128 -304 112
WIRE 592 128 592 112
WIRE 1024 128 1024 112
WIRE 1120 128 1120 112
WIRE -48 208 -256 208
WIRE 544 208 400 208
WIRE -880 224 -880 208
WIRE -736 224 -736 192
WIRE 1024 224 1024 192
WIRE 1120 224 1120 208
WIRE -304 240 -304 224
WIRE 592 240 592 224
WIRE -496 304 -496 112
WIRE -48 304 -496 304
WIRE 784 304 784 112
WIRE 784 304 400 304
WIRE -656 400 -656 112
WIRE -608 400 -608 112
WIRE -48 400 -608 400
WIRE 896 400 896 112
WIRE 896 400 400 400
WIRE 944 400 944 112
WIRE -656 496 -656 480
WIRE -48 496 -656 496
WIRE 944 496 944 480
WIRE 944 496 400 496
WIRE -656 512 -656 496
WIRE 944 512 944 496
WIRE -240 592 -256 592
WIRE -48 592 -176 592
WIRE 464 592 400 592
WIRE 544 592 528 592
WIRE -656 608 -656 592
WIRE 944 608 944 592
WIRE -48 688 -128 688
WIRE 464 688 400 688
WIRE -128 704 -128 688
WIRE 464 704 464 688
WIRE 32 768 32 752
WIRE 176 768 176 752
WIRE 320 768 320 752
WIRE -128 784 -128 768
WIRE 464 784 464 768
FLAG -416 -288 0
FLAG 32 768 0
FLAG 320 768 0
FLAG 592 240 0
FLAG -256 -288 0
FLAG 1024 224 0
FLAG 944 608 0
FLAG 1120 224 0
FLAG 544 592 0
FLAG 464 784 0
FLAG -304 240 0
FLAG -736 224 0
FLAG -656 608 0
FLAG -880 224 0
FLAG -256 592 0
FLAG -128 784 0
FLAG -416 -400 IN
FLAG 1120 112 OUT2
FLAG -880 112 OUT1
FLAG 560 -272 0
SYMBOL voltage -416 -400 R0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL nmos 544 -160 R0
SYMATTR InstName Q1
SYMATTR Value RJK0651DPB
SYMBOL diode 432 -64 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL cap -272 -368 R0
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL cap 432 32 R0
SYMATTR InstName C2
SYMATTR Value .1µ
SYMBOL ind 624 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 8µ
SYMATTR SpiceLine Rser=10m
SYMBOL res 784 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value .01
SYMBOL polcap 1008 128 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 330µ
SYMATTR InstName C3
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=10 Irms=4.1 Rser=0.01 Lser=0 mfg="KEMET" pn="T520X337M010ASE010" type="Tantalum"
SYMBOL res 928 384 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL res 928 496 R0
SYMATTR InstName R3
SYMATTR Value 10.5K
SYMBOL cap 448 704 R0
SYMATTR InstName C5
SYMATTR Value .001µ
SYMBOL diode -192 -64 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL cap -192 32 R0
SYMATTR InstName C6
SYMATTR Value .1µ
SYMBOL ind -336 128 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 4.7µ
SYMATTR SpiceLine Rser=5.75m
SYMBOL res -496 128 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value .008
SYMBOL polcap -752 128 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 470µ
SYMATTR InstName C7
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=4.1 Rser=0.01 Lser=0 mfg="KEMET" pn="T520X477M006ASE010" type="Tantalum"
SYMBOL res -672 384 R0
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL res -672 496 R0
SYMATTR InstName R6
SYMATTR Value 31.6K
SYMBOL cap -176 608 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -21 32 VBottom 2
SYMATTR InstName C8
SYMATTR Value 1000p
SYMATTR SpiceLine Rser=34.8K Cpar=100p
SYMBOL cap -144 704 R0
SYMATTR InstName C9
SYMATTR Value .001µ
SYMBOL res 1104 112 R0
SYMATTR InstName Rload2
SYMATTR Value 2.83
SYMBOL res -896 112 R0
SYMATTR InstName Rload1
SYMATTR Value .66
SYMBOL PowerProducts\\LTC3890-3 176 208 R0
SYMATTR InstName U1
SYMBOL res -160 -384 R0
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL res 448 -256 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 41.2K
SYMBOL nmos 544 128 R0
SYMATTR InstName Q2
SYMATTR Value RJK0651DPB
SYMBOL nmos -256 -160 M0
SYMATTR InstName Q3
SYMATTR Value RJK0651DPB
SYMBOL nmos -256 128 M0
SYMATTR InstName Q4
SYMATTR Value RJK0651DPB
SYMBOL cap 464 608 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -21 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value 470p
SYMATTR SpiceLine Rser=34.8K
TEXT 768 704 Left 2 !.tran 1m startup