AP1084
5A Low Dropout Positive Adjustable or Fixed-Mode Regulator
Performance Characteristics
2. 0
1. 8
1. 6
1. 4
1. 2
1. 0
0. 8
0. 6
0. 4
0. 2
0
0.20
0
I load=1.5A
-0.20
-0.40
-0.80
- 1
Tj = 25 oC
Tj = 125 oC
25
Temperature (oC)
Load Regulation vs Temperature
50
75
100
125
-25
0
1
2
Output Current (A)
Dropout Voltage vs Output Current
3
4
5
0
2
1.5
1
1
0.8
0. 5
0
0.6
0.4
-0.5
- 1
0.2
0
-1.5
- 2
-50 -25
0
25
50
75
100 125 150
6
8
10
12
2
4
Temperature (oC)
Input Voltage (V)
Percent Change in Output Voltage vs Temperature
Line Regulation
7.5
60
40
Cin=1uF
Cin=1uF
Cout=10uF Tantalum
6.5
Cout=10uF Tantalum
Preload=100mA
20
0
5.5
40
-20
-40
6
20
0
4
-20
2
-40
0
0
20 40 60 80 100 120 140 160 180 200
TIME (us)
Line Transient Response
20 30 40 50 60 70 80 90 100
TIME (us)
0
10
Load Transient Response
Anachip Corp.
www.anachip.com.tw
Rev.1.2 Jun.9, 2005
6/11
ICT [ InnoChips Technology ]
