AP1117
1A LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
Typical Performance Characteristics
0.20
0
2. 0
1. 8
1. 6
1. 4
1. 2
1. 0
0. 8
0. 6
0. 4
0. 2
0
I load=800mA
-0.20
-0.40
-0.80
- 1
Tj = 25 oC
Tj = 125 oC
25
50
75
100
125
-25
0
250
500
750
1000
0
Temperature (oC)
Output Current (mA)
Dropout Voltage vs Output Current
Load Regulation vs Temperature
2
1
1.5
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)
Line Regulation
Percent Change in Output Voltage vs Temperature
7.5
30
20
C in = 1uF
C out = 10 uF Tantalum
Preload = 100mA
Cin=1uF
Cout=10uF Tantalum
6.5
10
0
5.5
40
-10
-20
2
20
0
1
-20
0
-40
-1
0
20 40 60 80 100 120 140 160 180 200
TIME (us)
20 30 40 50 60 70 80 90 100
TIME (us)
Load Transient Response
0
10
Line Transient Response
AP1117 Rev. 6
5 of 11
MARCH 2007
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