AAT2557 AnalogicTech, AAT2557 Datasheet - Page 9

• Manufacturer Part Number: AAT2557
• Description: 500mA Battery Charger and 300mA LDO Regulator for Portable Systems
• Manufacturer: AnalogicTech

Typical Characteristics – LDO Regulator
2557.2007.06.1.0
100
540
480
420
360
300
240
180
500
450
400
350
300
250
200
150
120
100
90
80
70
60
50
40
30
20
10
60
50
0
0
0
-40 -30 -20 -10 0
-40 -30 -20 -10 0
0
Quiescent Current vs. Temperature
Dropout Voltage vs. Output Current
Dropout Voltage vs. Temperature
I
I
L
L
= 300mA
= 150mA
50
Output Current (mA)
10 20 30 40 50 60 70 80 90 100 110 120
10 20 30 40 50 60 70 80 90 100 110 120
100
Temperature (°C)
85°C
Temperature (°C)
I
L
150
= 100mA
-40°C
200
25°C
I
L
250
= 50mA
300
LDO Regulator for Portable Systems
500mA Battery Charger and 300mA
90
80
70
60
50
40
30
20
10
1.203
1.202
1.201
1.200
1.199
1.198
1.197
1.196
0
3.2
3.0
2.8
2.6
2.4
2.2
2.0
2
2.7
-40 -30 -20 -10
I
OUT
Ground Current vs. Input Voltage
I
I
OUT
=0mA
OUT
Output Voltage vs. Temperature
2.5
= 0mA
2.8
= 10mA
I
OUT
Dropout Characteristics
=10mA
0
3
2.9
I
Input Voltage (V)
OUT
I
10 20 30
OUT
Temperature (°C)
I
= 50mA
OUT
=50mA
Input Voltage (V)
=150mA
I
3.5
I
OUT
3.0
OUT
I
OUT
=300mA
= 100mA
40
= 150mA
50 60
3.1
4
AAT2557
I
OUT
70 80 90 100
3.2
4.5
= 300mA
3.3
5
9