Version 4 SHEET 1 2888 1300 WIRE 736 -480 80 -480 WIRE 1424 -464 176 -464 WIRE -432 -448 -560 -448 WIRE -320 -448 -432 -448 WIRE -112 -448 -320 -448 WIRE -64 -448 -112 -448 WIRE 80 -448 80 -480 WIRE 80 -448 16 -448 WIRE 1312 -448 272 -448 WIRE -560 -432 -560 -448 WIRE -112 -368 -112 -448 WIRE -96 -368 -112 -368 WIRE -16 -368 -32 -368 WIRE 0 -368 -16 -368 WIRE 80 -368 80 -448 WIRE -320 -352 -320 -448 WIRE -560 -336 -560 -352 WIRE 368 -336 368 -352 WIRE 464 -336 368 -336 WIRE 592 -336 464 -336 WIRE -112 -320 -112 -368 WIRE -16 -320 -16 -368 WIRE 80 -320 80 -368 WIRE 176 -320 176 -464 WIRE 272 -320 272 -448 WIRE 368 -320 368 -336 WIRE -320 -256 -320 -272 WIRE -176 -256 -320 -256 WIRE 464 -256 464 -272 WIRE 464 -256 432 -256 WIRE 944 -256 464 -256 WIRE -320 -240 -320 -256 WIRE -432 -208 -432 -448 WIRE -176 -160 -224 -160 WIRE 592 -160 592 -272 WIRE 592 -160 432 -160 WIRE 1216 -160 1008 -160 WIRE 1264 -160 1216 -160 WIRE 1312 -160 1312 -448 WIRE 1312 -160 1264 -160 WIRE 1328 -160 1312 -160 WIRE 1424 -160 1424 -464 WIRE 1424 -160 1408 -160 WIRE -320 -144 -320 -160 WIRE 592 -144 592 -160 WIRE 736 -144 736 -480 WIRE 1008 -144 1008 -160 WIRE 1264 -144 1264 -160 WIRE -432 -112 -432 -128 WIRE -224 -112 -224 -160 WIRE -224 -112 -432 -112 WIRE -432 -96 -432 -112 WIRE 944 -96 944 -256 WIRE 688 -64 432 -64 WIRE 1152 -64 1056 -64 WIRE 1264 -64 1264 -80 WIRE -432 0 -432 -16 WIRE 592 32 592 -80 WIRE 592 32 432 32 WIRE 736 32 736 -48 WIRE 736 32 592 32 WIRE 816 32 736 32 WIRE 944 32 944 -32 WIRE 944 32 896 32 WIRE 1008 32 1008 -48 WIRE 1008 32 944 32 WIRE 1120 32 1008 32 WIRE 736 48 736 32 WIRE 1008 48 1008 32 WIRE 688 128 432 128 WIRE 1088 128 1056 128 WIRE 1216 160 1216 -160 WIRE 736 224 736 144 WIRE 736 224 432 224 WIRE 864 224 736 224 WIRE 1008 224 1008 144 WIRE 1008 224 864 224 WIRE 864 240 864 224 WIRE 1216 256 1216 240 WIRE 1216 256 1184 256 WIRE 1424 256 1424 -160 WIRE 1216 272 1216 256 WIRE 448 320 432 320 WIRE 864 336 864 320 WIRE 1216 368 1216 352 WIRE -272 416 -288 416 WIRE -176 416 -192 416 WIRE 448 416 432 416 WIRE -272 512 -288 512 WIRE -192 512 -208 512 WIRE -176 512 -192 512 WIRE 1088 512 1088 128 WIRE 1088 512 432 512 WIRE -192 608 -192 512 WIRE -176 608 -192 608 WIRE 1120 608 1120 32 WIRE 1120 608 432 608 WIRE -192 704 -192 608 WIRE -176 704 -192 704 WIRE 1152 704 1152 -64 WIRE 1152 704 432 704 WIRE 1424 720 1424 320 WIRE -112 784 -112 768 WIRE -16 784 -16 768 WIRE 80 784 80 768 WIRE 176 784 176 768 WIRE 368 784 368 768 WIRE 1184 784 1184 256 WIRE 1184 784 368 784 WIRE 272 800 272 768 WIRE 1376 800 272 800 WIRE 1424 832 1424 816 WIRE -16 864 -16 848 WIRE 176 864 176 848 FLAG -112 784 0 FLAG -16 864 0 FLAG 80 784 0 FLAG 176 864 0 FLAG -560 -336 0 FLAG -320 -144 0 FLAG 368 -416 0 FLAG -432 0 0 FLAG -288 416 0 FLAG -288 512 0 FLAG 448 416 0 FLAG 864 336 0 FLAG 448 320 0 FLAG 1216 368 0 FLAG 1424 832 0 FLAG -560 -448 IN FLAG 1264 -160 OUT FLAG 1264 -64 0 SYMBOL PowerProducts\\LT3791 128 224 R0 SYMATTR InstName U1 SYMBOL cap -32 784 R0 SYMATTR InstName C1 SYMATTR Value 20n SYMBOL cap 160 784 R0 WINDOW 3 38 33 Left 2 WINDOW 39 27 59 Left 2 SYMATTR Value 22n SYMATTR SpiceLine Rser=1K SYMATTR InstName C2 SYMBOL voltage -560 -448 R0 SYMATTR InstName V1 SYMATTR Value 16 SYMBOL res -80 -432 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 3m SYMBOL res -336 -368 R0 SYMATTR InstName R2 SYMATTR Value 332K SYMBOL res -336 -256 R0 SYMATTR InstName R3 SYMATTR Value 121K SYMBOL cap -96 -352 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C3 SYMATTR Value 470n SYMBOL cap 352 -416 R0 WINDOW 0 32 14 Left 2 SYMATTR InstName C4 SYMATTR Value 4.7µ SYMBOL res -448 -224 R0 SYMATTR InstName R5 SYMATTR Value 1Meg SYMBOL res -448 -112 R0 SYMATTR InstName R6 SYMATTR Value 54.9K SYMBOL res -176 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 86.6K SYMBOL cap -208 496 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value .1µ SYMBOL nmos 688 -144 R0 WINDOW 0 60 11 Left 2 WINDOW 3 56 106 Left 2 SYMATTR InstName Q1 SYMATTR Value RJK0651DPB SYMBOL nmos 688 48 R0 WINDOW 0 55 27 Left 2 WINDOW 3 53 88 Left 2 SYMATTR InstName Q2 SYMATTR Value RJK0651DPB SYMBOL ind 800 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR SpiceLine Rser=20m Rpar=5K SYMBOL cap 576 -144 R0 SYMATTR InstName C6 SYMATTR Value .1µ SYMBOL schottky 576 -336 R0 SYMATTR InstName D1 SYMATTR Value MBRS1100 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 928 -96 R0 SYMATTR InstName C7 SYMATTR Value .1µ SYMBOL schottky 448 -336 R0 WINDOW 0 38 21 Left 2 WINDOW 3 1 103 Left 2 SYMATTR InstName D2 SYMATTR Value MBRS1100 SYMATTR Description Diode SYMATTR Type diode SYMBOL nmos 1056 -144 M0 WINDOW 0 7 -5 Left 2 WINDOW 3 37 107 Right 2 SYMATTR InstName Q3 SYMATTR Value Si4840DY SYMBOL nmos 1056 48 M0 WINDOW 0 6 -6 Left 2 WINDOW 3 39 108 Right 2 SYMATTR InstName Q4 SYMATTR Value Si4840DY SYMBOL res 848 224 R0 SYMATTR InstName R8 SYMATTR Value 4m SYMBOL res 1200 144 R0 SYMATTR InstName R9 SYMATTR Value 1Meg SYMBOL res 1200 256 R0 SYMATTR InstName R10 SYMATTR Value 44.2K SYMBOL res 1312 -144 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R11 SYMATTR Value 50m SYMBOL LED 1408 256 R0 WINDOW 123 22 109 Left 2 WINDOW 3 24 81 Left 2 SYMATTR Value2 N=7 SYMATTR Value LUW-W5AP SYMATTR InstName D3 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 1248 -144 R0 WINDOW 123 29 64 Left 2 WINDOW 3 36 35 Left 2 SYMATTR Value2 x5 SYMATTR Value 4.7µ SYMATTR InstName C8 SYMBOL nmos 1376 720 R0 SYMATTR InstName Q5 SYMATTR Value Si4840DY SYMBOL res -16 -352 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 50 TEXT 1008 840 Left 2 !.tran 4m startup