Version 4
SHEET 1 2456 1568
WIRE 1392 1008 976 1008
WIRE 1568 1008 1392 1008
WIRE 1744 1008 1664 1008
WIRE 1776 1008 1744 1008
WIRE 1872 1008 1856 1008
WIRE 1888 1008 1872 1008
WIRE 1984 1008 1968 1008
WIRE 2032 1008 1984 1008
WIRE 2128 1008 2032 1008
WIRE 2240 1008 2128 1008
WIRE 976 1024 976 1008
WIRE 2128 1024 2128 1008
WIRE 2240 1024 2240 1008
WIRE 1744 1056 1744 1008
WIRE 1392 1072 1392 1008
WIRE 976 1120 976 1104
WIRE 1584 1120 1584 1056
WIRE 1584 1120 1552 1120
WIRE 2128 1120 2128 1088
WIRE 2240 1120 2240 1104
WIRE 1744 1136 1744 1120
WIRE 1056 1168 1040 1168
WIRE 1136 1168 1120 1168
WIRE 1232 1168 1216 1168
WIRE 2032 1168 2032 1008
WIRE 1584 1184 1552 1184
WIRE 1872 1184 1872 1008
WIRE 1872 1184 1584 1184
WIRE 1584 1248 1552 1248
WIRE 1984 1248 1984 1008
WIRE 1984 1248 1584 1248
WIRE 1088 1264 1040 1264
WIRE 1232 1264 1152 1264
WIRE 2032 1312 2032 1248
WIRE 2032 1312 1552 1312
WIRE 2032 1328 2032 1312
WIRE 1392 1376 1392 1360
WIRE 2032 1424 2032 1408
FLAG 1744 1136 0
FLAG 1392 1376 0
FLAG 1040 1264 0
FLAG 1040 1168 0
FLAG 976 1120 0
FLAG 2128 1120 0
FLAG 2240 1120 0
FLAG 2032 1424 0
FLAG 2240 1008 OUT
FLAG 976 1008 IN
SYMBOL schottky 1728 1120 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MBRS340
SYMBOL ind 1760 1024 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 50µ
SYMBOL cap 1152 1248 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 470p
SYMBOL cap 1120 1152 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 3300p
SYMBOL VOLTAGE 976 1008 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL polcap 2112 1024 R0
SYMATTR InstName C3
SYMATTR Value 390µ
SYMATTR SpiceLine Rser=0.01
SYMBOL RES 2016 1152 R0
SYMATTR InstName R1
SYMATTR Value 300K
SYMBOL res 2016 1312 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL cap 1568 1184 R0
WINDOW 0 35 15 Left 2
WINDOW 3 32 48 Left 2
SYMATTR InstName C4
SYMATTR Value 1000p
SYMBOL res 1232 1152 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL PMOS 1664 1056 M270
WINDOW 0 70 56 VLeft 2
WINDOW 3 -14 73 VLeft 2
SYMATTR InstName Q1
SYMATTR Value FDC638P
SYMBOL res 1872 1024 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 50m
SYMBOL POWERPRODUCTS\\LTC1147L 1392 1216 R0
SYMATTR InstName U1
SYMBOL RES 2224 1008 R0
SYMATTR InstName Rload
SYMATTR Value 5
TEXT 1720 1352 Left 2 !.tran 1.5m startup