AAT2554 Datasheet, PDF (13/33 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

AAT2554
Total Power Solution for Portable Applications
Typical Characteristics – LDO Regulator
Dropout Voltage vs. Temperature
Dropout Characteristics
540
480
I_L = 300mA
420
360
300
240
I_L = 150mA
180
120
I_L = 100mA
60
0
-40 -30 -20 -10 0
I_L = 50mA
10 20 30 40 50 60 70 80 90 100 110 120
Temperature (°C)
3.2
3.0
I_OUT = 0mA
2.8
2.6
I_OUT = 300mA
I_OUT = 150mA
2.4
I_OUT = 100mA
2.2
I_OUT = 10mA ^{IOUT = 50mA}
2.0
2.7
2.8
2.9
3.0
3.1
3.2
3.3
Input Voltage (V)
Dropout Voltage vs. Output Current
500
450
400
350
300
250
200
150
100
50
0
0
85°C
25°C
-40°C
50
100
150
200
250
300
Output Current (mA)
Ground Current vs. Input Voltage
90
80
70
60
50
40
30 I_OUT = 0mA
I_OUT = 300mA
I_OUT = 150mA
I_OUT = 50mA
20
I_OUT = 10mA
10
0
2
2.5
3
3.5
4
4.5
5
Input Voltage (V)
Quiescent Current vs. Temperature
100
90
80
70
60
50
40
30
20
10
0
-40 -30 -20 -10 0
10 20 30 40 50 60 70 80 90 100 110 120
Temperature (°C)
Output Voltage vs. Temperature
1.203
1.202
1.201
1.200
1.199
1.198
1.197
1.196
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature (°C)
2554.2007.01.1.2
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