Version 4
SHEET 1 2712 1668
WIRE 2144 992 1520 992
WIRE 2240 992 2144 992
WIRE 2400 992 2240 992
WIRE 1472 1008 1376 1008
WIRE 1680 1008 1472 1008
WIRE 1808 1008 1680 1008
WIRE 2240 1008 2240 992
WIRE 1376 1024 1376 1008
WIRE 1808 1024 1808 1008
WIRE 1520 1040 1520 992
WIRE 2240 1104 2240 1088
WIRE 1376 1120 1376 1104
WIRE 1808 1120 1808 1088
WIRE 1952 1120 1808 1120
WIRE 2064 1120 2016 1120
WIRE 2144 1120 2144 992
WIRE 1680 1136 1680 1008
WIRE 1808 1136 1808 1120
WIRE 1520 1200 1520 1120
WIRE 1552 1200 1520 1200
WIRE 2096 1200 1936 1200
WIRE 2064 1232 2064 1120
WIRE 2144 1232 2144 1216
WIRE 2144 1232 2064 1232
WIRE 2256 1232 2144 1232
WIRE 2368 1232 2336 1232
WIRE 2144 1248 2144 1232
WIRE 1472 1264 1472 1008
WIRE 1552 1264 1472 1264
WIRE 1952 1264 1936 1264
WIRE 2064 1264 2064 1232
WIRE 2064 1264 2032 1264
WIRE 1408 1328 1392 1328
WIRE 1552 1328 1472 1328
WIRE 2096 1328 1936 1328
WIRE 2144 1360 2144 1344
WIRE 1456 1392 1392 1392
WIRE 1552 1392 1536 1392
WIRE 2400 1392 2400 992
WIRE 2400 1392 1936 1392
WIRE 1552 1456 1520 1456
WIRE 2368 1456 2368 1232
WIRE 2368 1456 1936 1456
WIRE 2496 1456 2368 1456
WIRE 2368 1472 2368 1456
WIRE 2496 1472 2496 1456
WIRE 1376 1520 1312 1520
WIRE 1504 1520 1456 1520
WIRE 1552 1520 1504 1520
WIRE 1952 1520 1936 1520
WIRE 1312 1536 1312 1520
WIRE 1504 1536 1504 1520
WIRE 2368 1568 2368 1536
WIRE 2496 1568 2496 1552
WIRE 1680 1600 1680 1584
WIRE 1808 1600 1808 1584
WIRE 1312 1616 1312 1600
WIRE 1504 1616 1504 1600
FLAG 1312 1616 0
FLAG 1392 1328 0
FLAG 1952 1520 0
FLAG 1808 1600 0
FLAG 1680 1600 0
FLAG 2144 1360 0
FLAG 2368 1568 0
FLAG 2496 1568 0
FLAG 1376 1120 0
FLAG 2496 1456 OUT
FLAG 1504 1616 0
FLAG 2240 1104 0
FLAG 1392 1392 0
SYMBOL cap 1296 1536 R0
SYMATTR InstName C1
SYMATTR Value 1500p
SYMBOL cap 1472 1312 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .01µ
SYMBOL RES 1472 1504 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 15K
SYMBOL NMOS 2096 1120 R0
SYMATTR InstName Q1
SYMATTR Value Si4410DY
SYMBOL nmos 2096 1248 R0
SYMATTR InstName Q2
SYMATTR Value Si4410DY
SYMBOL res 2048 1248 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res 1504 1024 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL schottky 1792 1024 R0
SYMATTR InstName D1
SYMATTR Value MBR0520L
SYMBOL cap 2016 1104 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value .1µ
SYMBOL ind 2240 1248 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1.2µ
SYMBOL cap 2352 1472 R0
WINDOW 3 37 36 Left 2
WINDOW 40 28 68 Left 2
SYMATTR Value 470µ
SYMATTR SpiceLine2 x3
SYMATTR InstName C4
SYMATTR SpiceLine Rser=10m
SYMBOL VOLTAGE 1376 1008 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL PowerProducts\\LTC3831 1744 1360 R0
SYMATTR InstName U1
SYMBOL cap 1488 1536 R0
SYMATTR InstName C5
SYMATTR Value 33p
SYMBOL VOLTAGE 2240 992 R0
SYMATTR InstName V2
SYMATTR Value 2.5
SYMBOL res 1552 1376 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 130K
SYMBOL res 2480 1456 R0
SYMATTR InstName Rload
SYMATTR Value 5
TEXT 2032 1592 Left 2 !.tran 1.5m startup