Version 4
SHEET 1 2712 1636
WIRE 1680 1008 1424 1008
WIRE 1808 1008 1680 1008
WIRE 2160 1008 1808 1008
WIRE 2256 1008 2160 1008
WIRE 1808 1024 1808 1008
WIRE 2256 1024 2256 1008
WIRE 1808 1120 1808 1088
WIRE 1968 1120 1808 1120
WIRE 2048 1120 2032 1120
WIRE 2160 1120 2160 1008
WIRE 2256 1120 2256 1104
WIRE 1680 1136 1680 1008
WIRE 1808 1136 1808 1120
WIRE 1424 1200 1424 1008
WIRE 1456 1200 1424 1200
WIRE 1552 1200 1536 1200
WIRE 2112 1200 1936 1200
WIRE 2048 1232 2048 1120
WIRE 2160 1232 2160 1216
WIRE 2160 1232 2048 1232
WIRE 2272 1232 2160 1232
WIRE 2368 1232 2352 1232
WIRE 2160 1248 2160 1232
WIRE 1424 1264 1424 1200
WIRE 1552 1264 1424 1264
WIRE 1952 1264 1936 1264
WIRE 2048 1264 2048 1232
WIRE 2048 1264 2032 1264
WIRE 1456 1328 1424 1328
WIRE 1552 1328 1520 1328
WIRE 2112 1328 1936 1328
WIRE 2160 1360 2160 1344
WIRE 1552 1392 1520 1392
WIRE 2368 1392 2368 1232
WIRE 2368 1392 1936 1392
WIRE 2480 1392 2368 1392
WIRE 2480 1408 2480 1392
WIRE 2368 1424 2368 1392
WIRE 1552 1456 1520 1456
WIRE 1952 1456 1936 1456
WIRE 2368 1504 2368 1488
WIRE 2480 1504 2480 1488
WIRE 1376 1520 1360 1520
WIRE 1456 1520 1440 1520
WIRE 1552 1520 1536 1520
WIRE 1952 1520 1936 1520
WIRE 1680 1600 1680 1584
WIRE 1808 1600 1808 1584
FLAG 1360 1520 0
FLAG 1424 1328 0
FLAG 1952 1520 0
FLAG 1808 1600 0
FLAG 1680 1600 0
FLAG 2160 1360 0
FLAG 2368 1504 0
FLAG 2480 1504 0
FLAG 2256 1120 0
FLAG 2480 1392 OUT
FLAG 2256 1008 IN
SYMBOL POWERPRODUCTS\\LTC3830 1744 1360 R0
SYMATTR InstName U1
SYMBOL cap 1440 1504 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value .01µ
SYMBOL cap 1520 1312 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value .018µ
SYMBOL RES 1552 1504 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 15K
SYMBOL NMOS 2112 1120 R0
SYMATTR InstName Q1
SYMATTR Value Si9428DY
SYMBOL nmos 2112 1248 R0
SYMATTR InstName Q2
SYMATTR Value Si9428DY
SYMBOL res 2048 1248 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res 1440 1216 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL schottky 1792 1024 R0
WINDOW 3 29 64 Left 0
SYMATTR Value MBR0520L
SYMATTR InstName D1
SYMBOL cap 2032 1104 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C3
SYMATTR Value .1µ
SYMBOL ind 2256 1248 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 3.2µ
SYMBOL cap 2352 1424 R0
WINDOW 40 27 62 Left 0
WINDOW 3 36 33 Left 0
SYMATTR SpiceLine2 x5
SYMATTR Value 270µ
SYMATTR SpiceLine Rser=.05
SYMATTR InstName C4
SYMBOL VOLTAGE 2256 1008 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 2464 1392 R0
SYMATTR InstName Rload
SYMATTR Value 20
TEXT 2056 1480 Left 0 !.tran 4m startup