Version 4
SHEET 1 1416 884
WIRE -288 -528 -480 -528
WIRE -32 -528 -288 -528
WIRE 80 -528 -32 -528
WIRE 528 -528 80 -528
WIRE 704 -528 528 -528
WIRE -480 -512 -480 -528
WIRE 304 -480 304 -496
WIRE -480 -416 -480 -432
WIRE 304 -400 304 -416
WIRE 304 -400 -80 -400
WIRE 576 -400 304 -400
WIRE 80 -352 80 -528
WIRE 304 -352 304 -400
WIRE 416 -352 416 -368
WIRE -32 -288 -32 -528
WIRE 16 -288 -32 -288
WIRE 528 -288 528 -528
WIRE 528 -288 480 -288
WIRE -80 -272 -80 -400
WIRE 576 -272 576 -400
WIRE -80 -192 -80 -208
WIRE 16 -192 -80 -192
WIRE 576 -192 576 -208
WIRE 576 -192 480 -192
WIRE -288 -176 -288 -528
WIRE 704 -176 704 -528
WIRE 16 -96 -240 -96
WIRE 656 -96 480 -96
WIRE -80 -80 -80 -192
WIRE 576 -80 576 -192
WIRE -688 0 -832 0
WIRE -608 0 -688 0
WIRE -544 0 -608 0
WIRE -528 0 -544 0
WIRE -432 0 -448 0
WIRE -400 0 -432 0
WIRE -288 0 -288 -80
WIRE -288 0 -320 0
WIRE -80 0 -80 -16
WIRE -80 0 -288 0
WIRE 16 0 -80 0
WIRE 576 0 576 -16
WIRE 576 0 480 0
WIRE 704 0 704 -80
WIRE 704 0 576 0
WIRE 736 0 704 0
WIRE 848 0 816 0
WIRE 864 0 848 0
WIRE 960 0 944 0
WIRE 1024 0 960 0
WIRE 1088 0 1024 0
WIRE 1184 0 1088 0
WIRE -832 16 -832 0
WIRE -688 16 -688 0
WIRE -288 16 -288 0
WIRE 704 16 704 0
WIRE 1088 16 1088 0
WIRE 1184 16 1184 0
WIRE 16 96 -240 96
WIRE 656 96 480 96
WIRE -832 112 -832 96
WIRE -688 112 -688 80
WIRE 1088 112 1088 80
WIRE 1184 112 1184 96
WIRE -288 160 -288 112
WIRE 704 160 704 112
WIRE -432 192 -432 0
WIRE 16 192 -432 192
WIRE 848 192 848 0
WIRE 848 192 480 192
WIRE -608 272 -608 0
WIRE 1024 272 1024 0
WIRE 1136 272 1024 272
WIRE -544 288 -544 0
WIRE 16 288 -544 288
WIRE 960 288 960 0
WIRE 960 288 480 288
WIRE 1024 288 1024 272
WIRE 1136 288 1136 272
WIRE -608 384 -608 352
WIRE 16 384 -608 384
WIRE 1024 384 1024 368
WIRE 1024 384 480 384
WIRE 1136 384 1136 352
WIRE 1136 384 1024 384
WIRE -608 400 -608 384
WIRE 1024 400 1024 384
WIRE -96 480 -128 480
WIRE 16 480 -32 480
WIRE 512 480 480 480
WIRE 608 480 576 480
WIRE -608 496 -608 480
WIRE 1024 496 1024 480
WIRE -96 576 -128 576
WIRE 16 576 -32 576
WIRE 512 576 480 576
WIRE 608 576 576 576
WIRE -96 672 -128 672
WIRE -16 672 -32 672
WIRE 16 672 -16 672
WIRE 496 672 480 672
WIRE -16 720 -16 672
WIRE -16 720 -32 720
WIRE 16 768 0 768
WIRE 496 768 480 768
WIRE 80 848 80 832
WIRE 192 848 192 832
WIRE 416 848 416 832
WIRE -32 880 -32 720
WIRE 304 880 304 832
WIRE 304 880 -32 880
FLAG -480 -416 0
FLAG 304 -496 0
FLAG -480 -528 IN
FLAG -288 160 0
FLAG -832 112 0
FLAG -688 112 0
FLAG -608 496 0
FLAG -128 480 0
FLAG -128 576 0
FLAG -128 672 0
FLAG 0 768 0
FLAG 80 848 0
FLAG 192 848 0
FLAG 416 848 0
FLAG 496 768 0
FLAG 496 672 0
FLAG 608 576 0
FLAG 704 160 0
FLAG 1184 112 0
FLAG 1088 112 0
FLAG 1024 496 0
FLAG 608 480 0
FLAG -832 0 OUT1
FLAG 1184 0 OUT2
FLAG 416 -368 0
SYMBOL PowerProducts\\LTC7810 256 240 R0
SYMATTR InstName U1
SYMBOL voltage -480 -528 R0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL cap 288 -480 R0
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL nmos -240 -176 M0
WINDOW 0 -32 22 Left 2
WINDOW 3 32 97 Right 2
SYMATTR InstName Q1
SYMATTR Value BSC082N10LS
SYMBOL nmos -240 16 M0
WINDOW 0 -31 18 Left 2
WINDOW 3 35 105 Right 2
SYMATTR InstName Q2
SYMATTR Value BSC082N10LS
SYMBOL cap -96 -80 R0
SYMATTR InstName C2
SYMATTR Value .1µ
SYMBOL ind -304 16 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10µ
SYMBOL cap -704 16 R0
SYMATTR InstName C3
SYMATTR Value 470µ
SYMBOL res -432 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 8m
SYMBOL res -624 256 R0
SYMATTR InstName R2
SYMATTR Value 220K
SYMBOL res -624 384 R0
SYMATTR InstName R3
SYMATTR Value 55K
SYMBOL cap -32 464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 51 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 1.5n
SYMATTR SpiceLine Rser=12.1K
SYMBOL cap -32 560 R90
WINDOW 0 5 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL cap -32 656 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C6
SYMATTR Value .1µ
SYMBOL cap 512 560 M90
WINDOW 0 3 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 53 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 10n
SYMBOL cap 560 -80 R0
SYMATTR InstName C8
SYMATTR Value .1µ
SYMBOL ind 720 16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 33µ
SYMBOL cap 1072 16 R0
SYMATTR InstName C9
SYMATTR Value 150µ
SYMBOL res 960 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10m
SYMBOL res 1008 272 R0
SYMATTR InstName R5
SYMATTR Value 220K
SYMBOL res 1008 384 R0
SYMATTR InstName R6
SYMATTR Value 20K
SYMBOL cap 512 464 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 50 37 VTop 2
SYMATTR InstName C10
SYMATTR Value 1.5n
SYMATTR SpiceLine Rser=17.4K
SYMBOL nmos 656 -176 R0
SYMATTR InstName Q3
SYMATTR Value BSC082N10LS
SYMBOL nmos 656 16 R0
WINDOW 0 -7 20 Right 2
WINDOW 3 42 97 Right 2
SYMATTR InstName Q4
SYMATTR Value BSC082N10LS
SYMBOL diode -96 -272 R0
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL diode 560 -272 R0
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL cap 1120 288 R0
SYMATTR InstName C11
SYMATTR Value 22p
SYMBOL res -848 0 R0
SYMATTR InstName Rload1
SYMATTR Value 1
SYMBOL res 1168 0 R0
SYMATTR InstName Rload2
SYMATTR Value 2.5
TEXT 552 856 Left 2 !.tran 1.2m startup