Version 4 SHEET 1 2084 1044 WIRE 1216 -80 352 -80 WIRE 144 -64 -96 -64 WIRE 576 -64 144 -64 WIRE 848 -64 576 -64 WIRE 960 -64 848 -64 WIRE -96 -48 -96 -64 WIRE 576 -48 576 -64 WIRE 144 -32 144 -64 WIRE 352 -32 352 -80 WIRE 848 -32 848 -64 WIRE -96 48 -96 32 WIRE 576 48 576 32 WIRE 800 48 576 48 WIRE 464 80 224 80 WIRE 848 80 848 64 WIRE 848 80 464 80 WIRE 352 96 352 48 WIRE 464 96 464 80 WIRE 576 96 576 48 WIRE 960 128 960 -64 WIRE 144 160 144 48 WIRE 240 160 144 160 WIRE 720 160 688 160 WIRE 752 160 720 160 WIRE 848 160 848 80 WIRE 848 160 816 160 WIRE 144 176 144 160 WIRE 1024 256 688 256 WIRE 144 272 144 256 WIRE 720 272 720 160 WIRE 1024 304 1024 256 WIRE 224 352 224 80 WIRE 240 352 224 352 WIRE 720 352 720 336 WIRE 720 352 688 352 WIRE 960 352 960 208 WIRE 960 352 720 352 WIRE 976 352 960 352 WIRE 1008 352 976 352 WIRE 1136 352 1104 352 WIRE 1168 352 1136 352 WIRE 1216 352 1216 -80 WIRE 1216 352 1168 352 WIRE 1376 352 1216 352 WIRE 1216 368 1216 352 WIRE 1376 368 1376 352 WIRE 112 448 96 448 WIRE 240 448 192 448 WIRE 720 448 688 448 WIRE 848 448 848 160 WIRE 848 448 720 448 WIRE 976 448 976 352 WIRE 1024 448 976 448 WIRE 1136 448 1136 352 WIRE 1136 448 1088 448 WIRE 848 464 848 448 WIRE 1216 464 1216 432 WIRE 1376 464 1376 448 WIRE 112 544 96 544 WIRE 240 544 192 544 WIRE 720 544 720 448 WIRE 720 544 688 544 WIRE 848 544 848 528 WIRE 144 640 112 640 WIRE 240 640 208 640 WIRE 720 640 688 640 WIRE 128 736 96 736 WIRE 240 736 192 736 WIRE 960 736 960 352 WIRE 960 736 688 736 WIRE 960 752 960 736 WIRE 1168 768 1168 352 WIRE 240 832 208 832 WIRE 912 832 688 832 WIRE 208 848 208 832 WIRE 1168 880 1168 848 WIRE 1168 880 1072 880 WIRE 1168 896 1168 880 WIRE 208 928 208 912 WIRE 240 928 208 928 WIRE 960 928 960 848 WIRE 960 928 688 928 WIRE 960 944 960 928 WIRE 352 1008 352 992 WIRE 576 1008 576 992 WIRE 1168 1008 1168 976 WIRE 208 1040 208 928 WIRE 1072 1040 1072 880 WIRE 1072 1040 208 1040 FLAG 960 944 0 FLAG 848 544 0 FLAG 576 1008 0 FLAG 352 1008 0 FLAG 1168 1008 0 FLAG 1216 464 0 FLAG 1376 464 0 FLAG 112 640 0 FLAG -96 48 0 FLAG 1376 352 OUT FLAG -96 -64 IN FLAG 96 544 0 FLAG 720 640 0 FLAG 144 272 0 FLAG 96 448 0 FLAG 96 736 0 SYMBOL voltage -96 -64 R0 WINDOW 123 24 138 Left 2 WINDOW 39 24 117 Left 2 SYMATTR InstName V1 SYMATTR Value PWL(0 0 1m 24) SYMBOL res 336 -48 R0 SYMATTR InstName R1 SYMATTR Value 806K SYMBOL nmos 800 -32 R0 SYMATTR InstName Q1 SYMATTR Value IRF1310 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 cap 832 464 R0 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL ind 944 112 R0 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR SpiceLine Rser=10m SYMBOL schottky 1024 432 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value MBRS1100 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 1152 752 R0 SYMATTR InstName R3 SYMATTR Value 30.9K SYMBOL res 1152 880 R0 SYMATTR InstName R4 SYMATTR Value 499 SYMBOL cap 1200 368 R0 WINDOW 39 28 71 Left 2 WINDOW 3 37 41 Left 2 SYMATTR SpiceLine Rser=10m SYMATTR Value 500µ SYMATTR InstName C3 SYMBOL cap 224 848 M0 WINDOW 39 24 92 Left 2 WINDOW 40 23 114 Left 2 SYMATTR SpiceLine Rser=300K SYMATTR SpiceLine2 Cpar=150p SYMATTR InstName C4 SYMATTR Value 330p SYMBOL cap 208 624 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 1000p SYMBOL nmos 912 752 R0 WINDOW 3 57 50 Left 2 WINDOW 0 61 12 Left 2 WINDOW 123 61 80 Left 2 SYMATTR Value Si7850DP SYMATTR InstName Q2 SYMATTR Value2 m=2 SYMBOL PowerProducts\\LTC3813 464 544 R0 SYMATTR InstName U1 SYMBOL nmos 1104 304 R90 WINDOW 0 3 47 VBottom 2 WINDOW 3 56 47 VTop 2 SYMATTR InstName Q3 SYMATTR Value Si7850DP SYMBOL voltage 208 544 R90 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 -24 0 VRight 2 WINDOW 3 44 5 VRight 2 SYMATTR InstName V2 SYMATTR Value PWL(1m 0 1.01m 2) SYMBOL res 128 -48 R0 SYMATTR InstName R5 SYMATTR Value 143K SYMBOL res 128 160 R0 SYMATTR InstName R6 SYMATTR Value 10K SYMBOL voltage 208 448 R90 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 -54 51 VRight 2 WINDOW 3 43 -4 VRight 2 SYMATTR InstName V3 SYMATTR Value SINE(1 1 250K) SYMBOL cap 192 720 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 60 32 VTop 2 SYMATTR InstName C7 SYMATTR Value .01µ SYMATTR SpiceLine Rser=10K SYMBOL res 1360 352 R0 SYMATTR InstName Rload SYMATTR Value 10 TEXT 1352 960 Left 2 !.tran 5m