Version 4
SHEET 1 2480 1604
WIRE 1872 1056 1648 1056
WIRE 2064 1056 1872 1056
WIRE 1648 1072 1648 1056
WIRE 2064 1072 2064 1056
WIRE 1872 1104 1872 1056
WIRE 1264 1120 1232 1120
WIRE 1520 1120 1344 1120
WIRE 1824 1120 1776 1120
WIRE 2064 1168 2064 1152
WIRE 1520 1216 1504 1216
WIRE 1872 1232 1872 1200
WIRE 1920 1232 1872 1232
WIRE 2064 1232 2000 1232
WIRE 2160 1232 2064 1232
WIRE 1872 1248 1872 1232
WIRE 2064 1248 2064 1232
WIRE 2160 1248 2160 1232
WIRE 1648 1280 1648 1264
WIRE 1872 1344 1872 1312
WIRE 2064 1344 2064 1312
WIRE 2160 1344 2160 1328
FLAG 2064 1168 0
FLAG 1648 1280 0
FLAG 1872 1344 0
FLAG 2064 1344 0
FLAG 2160 1344 0
FLAG 1504 1216 0
FLAG 1232 1120 0
SYMBOL ind 1904 1248 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 22µ
SYMBOL schottky 1856 1312 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5819
SYMBOL cap 2048 1248 R0
SYMATTR InstName C1
SYMATTR Value 47µ
SYMBOL res 2144 1232 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL voltage 2064 1056 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL pmos 1824 1200 M180
WINDOW 0 60 66 Left 2
WINDOW 3 58 36 Left 2
SYMATTR InstName Q1
SYMATTR Value Si4401DY
SYMBOL voltage 1360 1120 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V2
SYMATTR Value pulse(0 3.3 0 10n 10n 1u 2u)
SYMBOL PowerProducts\\LTC1693-5 1648 1168 R0
SYMATTR InstName U1
TEXT 1920 1400 Left 2 !.tran 2m startup