Version 4
SHEET 1 1620 1088
WIRE 576 -64 352 -64
WIRE 848 -64 576 -64
WIRE 960 -64 848 -64
WIRE 1040 -64 960 -64
WIRE 352 -48 352 -64
WIRE 576 -48 576 -64
WIRE 1040 -48 1040 -64
WIRE 848 -32 848 -64
WIRE 576 48 576 32
WIRE 800 48 576 48
WIRE 1040 48 1040 32
WIRE 464 64 128 64
WIRE 848 64 464 64
WIRE 352 96 352 32
WIRE 464 96 464 64
WIRE 576 96 576 48
WIRE 128 160 128 64
WIRE 240 160 128 160
WIRE 720 160 688 160
WIRE 752 160 720 160
WIRE 848 160 848 64
WIRE 848 160 816 160
WIRE 960 176 960 -64
WIRE 128 256 128 160
WIRE 144 256 128 256
WIRE 240 256 224 256
WIRE 912 256 688 256
WIRE 720 272 720 160
WIRE 128 352 128 256
WIRE 240 352 128 352
WIRE 720 352 720 336
WIRE 720 352 688 352
WIRE 960 352 960 272
WIRE 960 352 720 352
WIRE 1008 352 960 352
WIRE 1056 352 1008 352
WIRE 1168 352 1136 352
WIRE 1232 352 1168 352
WIRE 1392 352 1232 352
WIRE 1232 368 1232 352
WIRE 1392 368 1392 352
WIRE 1008 384 1008 352
WIRE 240 448 224 448
WIRE 720 448 688 448
WIRE 848 448 848 160
WIRE 848 448 720 448
WIRE 848 464 848 448
WIRE 1008 464 1008 448
WIRE 1232 464 1232 432
WIRE 1392 464 1392 448
WIRE 128 544 128 352
WIRE 240 544 128 544
WIRE 720 544 720 448
WIRE 720 544 688 544
WIRE 848 544 848 528
WIRE 112 640 48 640
WIRE 240 640 176 640
WIRE 1168 640 1168 352
WIRE 1168 640 688 640
WIRE 1168 720 1168 640
WIRE 64 736 48 736
WIRE 160 736 144 736
WIRE 240 736 224 736
WIRE 960 736 960 352
WIRE 960 736 688 736
WIRE 960 752 960 736
WIRE 192 832 80 832
WIRE 240 832 192 832
WIRE 912 832 688 832
WIRE 80 848 80 832
WIRE 192 848 192 832
WIRE 1168 848 1168 800
WIRE 1168 848 1088 848
WIRE 1168 896 1168 848
WIRE 192 928 192 912
WIRE 240 928 192 928
WIRE 960 928 960 848
WIRE 960 928 688 928
WIRE 80 944 80 912
WIRE 960 944 960 928
WIRE 1168 992 1168 976
WIRE 352 1008 352 992
WIRE 576 1008 576 992
WIRE 80 1040 80 1024
WIRE 192 1040 192 928
WIRE 192 1040 80 1040
WIRE 1088 1040 1088 848
WIRE 1088 1040 192 1040
FLAG 960 944 0
FLAG 848 544 0
FLAG 1008 464 0
FLAG 576 1008 0
FLAG 352 1008 0
FLAG 1168 992 0
FLAG 1232 464 0
FLAG 1392 464 0
FLAG 48 640 0
FLAG 1040 48 0
FLAG 1392 352 OUT
FLAG 1040 -64 IN
FLAG 48 736 0
FLAG 224 448 0
SYMBOL res 336 -64 R0
SYMATTR InstName R1
SYMATTR Value 274K
SYMBOL nmos 800 -32 R0
SYMATTR InstName Q1
SYMATTR Value BSH114
SYMBOL res 560 -64 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL diode 816 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL cap 704 272 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL nmos 912 176 R0
SYMATTR InstName Q2
SYMATTR Value Si7850DP
SYMBOL nmos 912 752 R0
SYMATTR InstName Q3
SYMATTR Value Si7850DP
SYMBOL cap 832 464 R0
SYMATTR InstName C2
SYMATTR Value 1µ
SYMBOL ind 1040 368 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10µ
SYMBOL schottky 992 448 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1152 704 R0
SYMATTR InstName R3
SYMATTR Value 14K
SYMBOL res 1152 880 R0
SYMATTR InstName R4
SYMATTR Value 1K
SYMBOL cap 1216 368 R0
WINDOW 39 25 67 Left 2
WINDOW 3 44 34 Left 2
SYMATTR SpiceLine Rser=18m
SYMATTR Value 270µ
SYMATTR InstName C3
SYMBOL cap 176 848 R0
WINDOW 39 24 92 Left 2
WINDOW 40 23 114 Left 2
SYMATTR InstName C4
SYMATTR Value 5p
SYMBOL cap 176 624 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 1000p
SYMBOL PowerProducts\\LTC3810-5 464 544 R0
SYMATTR InstName U1
SYMBOL res 240 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL cap 224 720 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 58 32 VTop 2
SYMATTR InstName C6
SYMATTR Value .01µ
SYMBOL res 160 720 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL cap 64 848 R0
SYMATTR InstName C7
SYMATTR Value 47p
SYMBOL res 64 1040 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 200K
SYMBOL voltage 1040 -64 R0
SYMATTR InstName V1
SYMATTR Value 42
SYMBOL res 1376 352 R0
SYMATTR InstName Rload
SYMATTR Value 2
TEXT 1200 656 Left 2 !.tran 1m startup