AMS3121
2A Fast Transient Linear Regulator
Typical Performance Characteristics (TA = 25°C unless otherwise specified)
Ground Current vs. Output Current
VOUT=2.5V, VIN=3.3V
Output Voltage Temperature Variation
1.808
1.806
1.804
1.802
1.800
1.798
1.796
1.794
1.792
70
60
50
40
30
20
10
0
0.0
0.4
0.8
1.2
1.6
2.0
-50 -25
0
25
50
75 100 125
Ambient Temperature (ºC)
Output Current (A)
Dropout Voltage vs. Temperature
Line Regulation VOUT = 2.5V
1.0
0.8
0.6
0.4
0.2
0.0
0.2
0.1
2A
0.0
-0.1
-0.2
1A
3
4
5
6
7
-50 -25
0
25
50
75 100 125
Input Voltage (V)
Ambient Temperature (°C)
Load Regulation
Dropout Voltage vs. Output Current
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.2
0.1
0.0
-0.1
-0.2
VOUT = 2.5V
0.0
0.1
1.0
10.0
0
0.5
1
1.5
2
Output Current (A)
Output Current (A)
02/11/2010
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