Version 4
SHEET 1 1576 904
WIRE -432 -496 -560 -496
WIRE 160 -496 -432 -496
WIRE 880 -496 160 -496
WIRE -560 -480 -560 -496
WIRE -48 -480 -224 -480
WIRE 32 -480 -48 -480
WIRE 256 -480 32 -480
WIRE 560 -480 256 -480
WIRE 704 -480 560 -480
WIRE 32 -464 32 -480
WIRE -224 -448 -224 -480
WIRE 256 -448 256 -480
WIRE 400 -432 400 -448
WIRE -560 -384 -560 -400
WIRE 32 -384 32 -400
WIRE -432 -352 -432 -496
WIRE 256 -352 256 -368
WIRE 400 -352 400 -368
WIRE 400 -352 256 -352
WIRE 672 -352 400 -352
WIRE 704 -352 704 -480
WIRE 880 -352 880 -496
WIRE -48 -336 -48 -480
WIRE 160 -336 160 -496
WIRE 256 -336 256 -352
WIRE 560 -336 560 -480
WIRE -160 -272 -384 -272
WIRE 832 -272 656 -272
WIRE -224 -176 -224 -384
WIRE -160 -176 -224 -176
WIRE 704 -176 704 -288
WIRE 704 -176 656 -176
WIRE -224 -160 -224 -176
WIRE 704 -160 704 -176
WIRE -672 -80 -688 -80
WIRE -576 -80 -592 -80
WIRE -560 -80 -576 -80
WIRE -432 -80 -432 -256
WIRE -432 -80 -480 -80
WIRE -224 -80 -224 -96
WIRE -224 -80 -432 -80
WIRE -160 -80 -224 -80
WIRE 704 -80 704 -96
WIRE 704 -80 656 -80
WIRE 880 -80 880 -256
WIRE 880 -80 704 -80
WIRE 928 -80 880 -80
WIRE 1024 -80 1008 -80
WIRE 1040 -80 1024 -80
WIRE 1136 -80 1120 -80
WIRE 1200 -80 1136 -80
WIRE 1312 -80 1200 -80
WIRE -432 -64 -432 -80
WIRE 880 -64 880 -80
WIRE 1200 -64 1200 -80
WIRE 1312 -64 1312 -80
WIRE -160 16 -384 16
WIRE 832 16 656 16
WIRE 1200 32 1200 0
WIRE 1312 32 1312 16
WIRE -432 48 -432 32
WIRE 880 48 880 32
WIRE -576 112 -576 -80
WIRE -160 112 -576 112
WIRE 1024 112 1024 -80
WIRE 1024 112 656 112
WIRE -688 208 -688 -80
WIRE -688 208 -752 208
WIRE -160 208 -688 208
WIRE 1136 208 1136 -80
WIRE 1136 208 656 208
WIRE -688 224 -688 208
WIRE -160 304 -688 304
WIRE 704 304 656 304
WIRE 800 304 768 304
WIRE -688 320 -688 304
WIRE -160 400 -192 400
WIRE 672 400 672 -352
WIRE 672 400 656 400
WIRE -688 416 -688 400
WIRE -256 496 -272 496
WIRE -160 496 -192 496
WIRE 112 576 112 560
WIRE 160 576 112 576
WIRE 208 576 208 560
WIRE 304 576 304 560
WIRE 112 608 112 576
WIRE 160 608 160 576
WIRE 400 608 400 560
WIRE 400 608 160 608
WIRE 112 704 112 688
WIRE -752 736 -752 208
WIRE 1136 736 1136 208
WIRE 1136 736 -752 736
FLAG 208 576 0
FLAG 304 576 0
FLAG 112 704 0
FLAG -560 -384 0
FLAG 32 -384 0
FLAG -432 48 0
FLAG 1200 32 0
FLAG 1312 32 0
FLAG -272 496 0
FLAG -688 416 0
FLAG -560 -496 IN
FLAG 1312 -80 OUT
FLAG 880 48 0
FLAG 800 304 0
FLAG 400 -448 0
FLAG -192 400 0
SYMBOL res 96 592 R0
SYMATTR InstName R1
SYMATTR Value 18.7K
SYMBOL voltage -560 -496 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL cap 16 -400 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL res 240 -464 R0
SYMATTR InstName R2
SYMATTR Value 2.2
SYMBOL nmos -384 -352 M0
WINDOW 0 38 -9 Right 2
WINDOW 3 31 105 Right 2
SYMATTR InstName Q1
SYMATTR Value BSC093N04LS
SYMBOL nmos -384 -64 M0
WINDOW 0 -8 10 Right 2
WINDOW 3 18 106 Right 2
SYMATTR InstName Q2
SYMATTR Value BSC035N04LS
SYMBOL schottky -240 -448 R0
SYMATTR InstName D1
SYMATTR Value MBRS140
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -240 -160 R0
SYMATTR InstName C2
SYMATTR Value .1µ
SYMBOL ind -464 -64 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value .3µ
SYMATTR SpiceLine Rser=.8m
SYMBOL polcap 1184 -64 R0
WINDOW 3 29 55 Left 2
WINDOW 123 26 79 Left 2
SYMATTR Value 100µ
SYMATTR Value2 x6
SYMATTR InstName C3
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V107M006ASE012" type="Tantalum"
SYMBOL cap -192 480 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value .001µ
SYMBOL res -704 208 R0
SYMATTR InstName R3
SYMATTR Value 45.3K
SYMBOL res -704 304 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL nmos 832 -352 R0
WINDOW 0 72 29 Left 2
WINDOW 3 60 80 Left 2
SYMATTR InstName Q3
SYMATTR Value BSC093N04LS
SYMBOL nmos 832 -64 R0
WINDOW 0 4 7 Right 2
WINDOW 3 28 101 Right 2
SYMATTR InstName Q4
SYMATTR Value BSC035N04LS
SYMBOL schottky 688 -352 R0
SYMATTR InstName D2
SYMATTR Value MBRS140
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 688 -160 R0
SYMATTR InstName C5
SYMATTR Value .1µ
SYMBOL ind 912 -64 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value .3µ
SYMATTR SpiceLine Rser=.8m
SYMBOL cap 704 288 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 58 44 VTop 2
SYMATTR InstName C6
SYMATTR Value 150p
SYMATTR SpiceLine Rser=33.2K
SYMBOL PowerProducts\\LTC3839 256 112 R0
SYMATTR InstName U1
SYMBOL cap 384 -432 R0
SYMATTR InstName C7
SYMATTR Value 1µ
SYMBOL res -576 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 4m
SYMBOL res 1024 -64 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 4m
SYMBOL res 1296 -80 R0
WINDOW 3 33 89 Left 2
SYMATTR Value .132
SYMATTR InstName Rload
TEXT 848 576 Left 2 !.tran 750u startup