Version 4 SHEET 1 1720 700 WIRE 528 -16 336 -16 WIRE 688 -16 528 -16 WIRE 1088 -16 688 -16 WIRE 336 0 336 -16 WIRE 528 0 528 -16 WIRE 1088 80 1088 -16 WIRE 336 96 336 80 WIRE 528 96 528 80 WIRE 688 96 688 -16 WIRE 1040 160 784 160 WIRE 832 224 784 224 WIRE 1088 224 1088 176 WIRE 1088 224 832 224 WIRE 1152 224 1088 224 WIRE 1296 224 1232 224 WIRE 1392 224 1296 224 WIRE 1488 224 1392 224 WIRE 1392 240 1392 224 WIRE 1488 240 1488 224 WIRE 1296 256 1296 224 WIRE 336 288 304 288 WIRE 432 288 400 288 WIRE 832 288 784 288 WIRE 1088 336 1088 224 WIRE 1392 336 1392 304 WIRE 1488 336 1488 320 WIRE 832 352 784 352 WIRE 928 352 832 352 WIRE 1008 352 992 352 WIRE 1296 368 1296 336 WIRE 1296 368 1264 368 WIRE 1296 384 1296 368 WIRE 256 416 240 416 WIRE 336 416 320 416 WIRE 432 416 416 416 WIRE 1040 416 784 416 WIRE 1088 448 1088 432 WIRE 1264 480 1264 368 WIRE 1264 480 784 480 WIRE 1296 480 1296 464 WIRE 528 560 528 544 WIRE 688 560 688 544 FLAG 528 560 0 FLAG 688 560 0 FLAG 1088 448 0 FLAG 1008 352 0 FLAG 1488 336 0 FLAG 1296 480 0 FLAG 1392 336 0 FLAG 240 416 0 FLAG 336 96 0 FLAG 304 288 0 FLAG 336 -16 IN FLAG 1488 224 OUT SYMBOL NMOS 1040 336 R0 SYMATTR InstName Q1 SYMATTR Value RJK0301DPB SYMBOL RES 512 -16 R0 SYMATTR InstName R1 SYMATTR Value 432K SYMBOL res 1280 240 R0 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL res 1280 368 R0 SYMATTR InstName R3 SYMATTR Value 10K SYMBOL schottky 816 352 M180 WINDOW 0 39 48 Left 2 WINDOW 3 36 20 Left 2 SYMATTR InstName D1 SYMATTR Value 1N5818 SYMBOL cap 928 368 R270 WINDOW 3 0 32 VBottom 2 WINDOW 0 32 32 VTop 2 SYMATTR Value 4.7µ SYMATTR InstName C1 SYMBOL nmos 1040 80 R0 SYMATTR InstName Q2 SYMATTR Value RJK0305DPB SYMBOL ind 1136 240 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value .56µ SYMATTR SpiceLine Rpar=100 SYMBOL polcap 1376 240 R0 SYMATTR InstName C2 SYMATTR Value 660µ SYMATTR SpiceLine Rser=5m SYMBOL res 432 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 27K SYMBOL cap 320 400 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 220p SYMBOL VOLTAGE 336 -16 R0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL cap 400 272 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value .001µ SYMBOL cap 816 224 R0 WINDOW 0 28 17 Left 2 WINDOW 3 26 48 Left 2 SYMATTR InstName C5 SYMATTR Value .22µ SYMBOL PowerProducts\\LTC3879 608 320 R0 SYMATTR InstName U1 SYMBOL res 1472 224 R0 SYMATTR InstName Rload SYMATTR Value .08 TEXT 1360 544 Left 2 !.tran 1m startup