Diodes AP1084 - Manual (Page 7)

AP1084
5A LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
AP1084 Rev. 9 7 of 11 JANUARY 2010
DS31070 www.diodes.com © Diodes Incorporated
Typical Performance Characteristics
Temperature ( o C)
Percent Change in Output Voltage vs Temperature
O
ut
pu
t V
ol
tag
e
C
hange
(%
)
-40 -25 0 25 50 75 100 125 150
- 2
-1.5
- 1
-0.5
0
0. 5
1
1.5
2
Input Voltage (V)
Line Regulation
Ou
tp
ut V
olta
ge D
evi
ati
on (
%
)
0
0.2
0.4
0.6
0.8
1
2 4 6 8 10 12
TIME (us)
Line Transient Response
Ou
tp
ut
Vo
lta
ge
Dev
iation
(
m
V
)
Inp
ut
Vo
ltage
(V)
-40
-20
0
20
40
5.5
6.5
7.5
Cin=1uF
Cout=10uF Tantalum
0 20 40 60 80 100 120 140 160 180 200
TIME (us)
Load Transient Response
Load
Cur
re
nt
(A
)
Out
pu
t V
oltag
e De
via
tion
(mV
)
0 10 20 30 40 50 60 70 80 90 100
0
2
4
6
-40
-20
0
20
40
60
Cin=1uF
Cout=10uF Tantalum
Preload=100mA
Output Current (A)
Dropout Voltage vs Output Current
D
ro
po
ut
V
ol
ta
ge (
V
)
0
0. 2
0. 4
0. 6
0. 8
1. 0
1. 2
1. 4
1. 6
1. 8
2. 0
0 1 2 3 4
Tj = 125 o C
Tj = 25 o C
5
Temperature ( o C)
Load Regulation vs Temperature
O
utput V
ol
ta
ge D
evi
ati
on
(%
)
-40 0 25 50 75 100 125
- 1
-0.80
-0.40
-0.20
0
0.20
I load=1.5A