Version 4
SHEET 1 1240 1060
WIRE -240 -384 -352 -384
WIRE -64 -384 -240 -384
WIRE 32 -384 -64 -384
WIRE 416 -384 32 -384
WIRE 560 -384 416 -384
WIRE -352 -368 -352 -384
WIRE -80 -368 -160 -368
WIRE 176 -368 -80 -368
WIRE 928 -368 320 -368
WIRE -160 -352 -160 -368
WIRE 32 -352 32 -384
WIRE 176 -352 176 -368
WIRE 320 -352 320 -368
WIRE -64 -288 -64 -384
WIRE -48 -288 -64 -288
WIRE 416 -288 416 -384
WIRE 416 -288 400 -288
WIRE -352 -272 -352 -288
WIRE -160 -272 -160 -288
WIRE -240 -176 -240 -384
WIRE 560 -176 560 -384
WIRE -48 -96 -192 -96
WIRE 512 -96 400 -96
WIRE -48 0 -144 0
WIRE 448 0 400 0
WIRE -144 16 -144 0
WIRE 448 16 448 0
WIRE -736 96 -864 96
WIRE -640 96 -736 96
WIRE -560 96 -640 96
WIRE -544 96 -560 96
WIRE -448 96 -464 96
WIRE -368 96 -448 96
WIRE -240 96 -240 -80
WIRE -240 96 -288 96
WIRE -144 96 -144 80
WIRE -144 96 -240 96
WIRE -48 96 -144 96
WIRE 448 96 448 80
WIRE 448 96 400 96
WIRE 560 96 560 -80
WIRE 560 96 448 96
WIRE 672 96 560 96
WIRE 768 96 752 96
WIRE 784 96 768 96
WIRE 880 96 864 96
WIRE 928 96 928 -368
WIRE 928 96 880 96
WIRE 1008 96 928 96
WIRE 1072 96 1008 96
WIRE 1120 96 1072 96
WIRE -864 112 -864 96
WIRE -736 112 -736 96
WIRE -640 112 -640 96
WIRE -240 112 -240 96
WIRE 560 112 560 96
WIRE 928 112 928 96
WIRE 1008 112 1008 96
WIRE 1120 112 1120 96
WIRE -48 192 -192 192
WIRE 512 192 400 192
WIRE -864 208 -864 192
WIRE -736 208 -736 176
WIRE -640 208 -640 176
WIRE 928 208 928 176
WIRE 1008 208 1008 176
WIRE 1120 208 1120 192
WIRE -240 224 -240 208
WIRE 560 224 560 208
WIRE -448 288 -448 96
WIRE -48 288 -448 288
WIRE 768 288 768 96
WIRE 768 288 400 288
WIRE -560 384 -560 96
WIRE -48 384 -560 384
WIRE 880 384 880 96
WIRE 880 384 400 384
WIRE 1072 384 1072 96
WIRE -560 480 -560 384
WIRE -48 480 -560 480
WIRE 1072 480 1072 464
WIRE 1072 480 400 480
WIRE 1072 496 1072 480
WIRE -240 576 -256 576
WIRE -48 576 -176 576
WIRE 480 576 400 576
WIRE 560 576 544 576
WIRE 1072 592 1072 576
WIRE -160 672 -192 672
WIRE -48 672 -96 672
WIRE 432 672 400 672
WIRE 544 672 496 672
WIRE 432 768 400 768
WIRE 544 768 512 768
WIRE -80 864 -80 -368
WIRE -48 864 -80 864
WIRE 416 864 400 864
WIRE 32 944 32 928
WIRE 320 944 320 928
WIRE -80 976 -80 864
WIRE 128 976 128 928
WIRE 128 976 -80 976
WIRE 224 976 224 928
WIRE 224 976 128 976
WIRE 320 1024 320 1008
FLAG -352 -272 0
FLAG 32 944 0
FLAG 560 224 0
FLAG -160 -272 0
FLAG 928 208 0
FLAG 1072 592 0
FLAG 1120 208 0
FLAG 560 576 0
FLAG 544 672 0
FLAG -240 224 0
FLAG -640 208 0
FLAG -864 208 0
FLAG -256 576 0
FLAG -192 672 0
FLAG -352 -384 IN
FLAG 1120 96 OUT2
FLAG -864 96 OUT1
FLAG 320 1024 0
FLAG 544 768 0
FLAG 416 864 0
FLAG -736 208 0
FLAG 1008 208 0
SYMBOL voltage -352 -384 R0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL cap -176 -352 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL cap 432 16 R0
SYMATTR InstName C2
SYMATTR Value .1µ
SYMBOL ind 656 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 15µ
SYMATTR SpiceLine Rser=10m
SYMBOL res 768 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 8m
SYMBOL polcap 912 112 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 150µ
SYMATTR InstName C3
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=16 Irms=1.285 Rser=50m Lser=0
SYMBOL res 1056 368 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL res 1056 480 R0
SYMATTR InstName R3
SYMATTR Value 7.15K
SYMBOL cap 432 688 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value .001µ
SYMBOL cap -160 16 R0
SYMATTR InstName C6
SYMATTR Value .1µ
SYMBOL ind -272 112 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 5.6µ
SYMATTR SpiceLine Rser=5.75m
SYMBOL res -448 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 5m
SYMBOL polcap -656 112 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 220µ
SYMATTR InstName C7
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=4.1 Rser=0.009 Lser=0 mfg="KEMET" pn="T520D227M006ASE009" type="Tantalum"
SYMBOL cap -176 592 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -20 59 VBottom 2
SYMATTR InstName C8
SYMATTR Value 2200p
SYMATTR SpiceLine Rser=7.5K Cpar=100p
SYMBOL cap -96 688 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C9
SYMATTR Value .001µ
SYMBOL res 1104 96 R0
SYMATTR InstName Rload2
SYMATTR Value 2.4
SYMBOL res -880 96 R0
SYMATTR InstName Rload1
SYMATTR Value .625
SYMBOL nmos -192 -176 M0
SYMATTR InstName Q3
SYMATTR Value BSC057N08NS3
SYMBOL nmos -192 112 M0
SYMATTR InstName Q4
SYMATTR Value BSC042NE7NS3
SYMBOL cap 480 592 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -20 59 VBottom 2
SYMATTR InstName C4
SYMATTR Value 1000p
SYMATTR SpiceLine Rser=34.8K Cpar=100p
SYMBOL PowerProducts\\LTC3892 176 288 R0
SYMATTR InstName U1
SYMBOL cap 304 944 R0
SYMATTR InstName C10
SYMATTR Value 4.7µ
SYMBOL nmos 512 112 R0
SYMATTR InstName Q1
SYMATTR Value BSC042NE7NS3
SYMBOL nmos 512 -176 R0
SYMATTR InstName Q2
SYMATTR Value BSC057N08NS3
SYMBOL res 416 784 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 35.7K
SYMBOL cap -752 112 R0
SYMATTR InstName C11
SYMATTR Value 10µ
SYMATTR SpiceLine V=10 Irms=10.158 Rser=0.004 Lser=0 mfg="KEMET" pn="C1206C106K8PAC" type="X5R"
SYMBOL cap 992 112 R0
SYMATTR InstName C12
SYMATTR Value 10µ
SYMATTR SpiceLine V=25 Irms=0 Rser=0.001 Lser=0 mfg="TDK" pn="C575OX7RIE106M" type="X7R"
TEXT 728 824 Left 2 !.tran 1.5m startup