AAT2552
Total Power Solution for Portable Applications
Typical Characteristics–LDO Regulator
Quiescent Current vs. Temperature
(VIN = 5V)
Dropout Voltage vs. Temperature
0.5
0.4
0.3
0.2
0.1
0.0
120
110
100
90
IL = 300mA
IL = 200mA
IL = 100mA
IL = 50mA
80
70
60
50
-40
-20
0
20
40
60
80
100
120
-40
-15
10
35
60
85
Temperature (°°C)
Temperature (°C)
Dropout Characteristics
Dropout Voltage vs. Output Current
3.8
0.5
0.4
0.3
0.2
0.1
0.0
IOUT = 0mA
85°C
25°C
3.6
3.4
3.2
3
IOUT = 50mA
IOUT = 300mA
2.8
2.6
2.4
IOUT = 100mA
-40°C
0
50
100
150
200
250
300
3
3.2
3.4
3.6
3.8
4
Output Current (mA)
Input Voltage (V)
Output Voltage vs. Temperature
(VIN = 3.6V; VO = 1.8V; IOUT = 150mA)
Enable Threshold Voltage vs. Input Voltage
3.301
3.300
3.299
3.298
3.297
3.296
0.96
0.94
VEN(H)
0.92
0.9
0.88
0.86
VEN(L)
0.84
0.82
-40
-15
10
35
60
85
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Temperature (°C)
2552.2007.04.1.0
13
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
