AAT2503
Adjustable 3-Channel Regulator
Typical Characteristics—LDO Regulator
Dropout Voltage vs. Temperature
(VOUT = 2.8V)
Dropout Voltage vs. Output Current
(VOUT = 2.8V)
100
120
90
80
70
60
50
40
30
20
10
0
150mA
100
85°C
25°C
80
100mA
60
50mA
40
-40°C
20
0
0
20
40
60
80
100
120
140
160
-40
-20
0
20
40
60
80
100
120
Temperature (°°C)
Output Current (mA)
Dropout Characteristics
DC Regulation
(VIN = 3.6V; VOUT = 1.2V)
2.5
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.0
1.5
10mA
1mA
1.0
0.5
150mA
100mA
IOUT = 50mA
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
IOUT = 1mA
50mA
IOUT = 100mA
IOUT = 150mA
-40
-20
0
20
40
60
80
100
2.7
2.8
2.9
3.0
3.1
3.2
Temperature (°°C)
Input Voltage (V)
DC Regulation
(VIN = 3.6V; VOUT = 1.8V)
DC Regulation
(VIN = 3.6V; VOUT = 2.8V)
2.5
2.0
2.5
2.0
1.5
1.0
0.5
0.0
1.5
1.0
IOUT = 50mA
IOUT = 50mA
0.5
IOUT = 1mA
0.0
IOUT = 1mA
-0.5
-1.0
-1.5
-2.0
-2.5
-0.5
-1.0
-1.5
-2.0
-2.5
IOUT = 150mA
IOUT = 100mA
IOUT = 150mA
IOUT = 100mA
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
Temperature (°°C)
Temperature (°°C)
2503.2007.04.1.1
9
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
