AAT2557ITO-CT-T1 AnalogicTech, AAT2557ITO-CT-T1 Datasheet - Page 7

• Manufacturer Part Number: AAT2557ITO-CT-T1
• Description: 500mA Battery Charger and 300mA LDO Regulator for Portable Systems
• Manufacturer: AnalogicTech

Typical Characteristics – Battery Charger
2557.2007.06.1.0
550
500
450
400
350
300
20.8
20.6
20.4
20.2
20.0
19.8
19.6
19.4
19.2
4.18
4.16
4.14
4.12
4.10
4.08
4.06
4.04
4.02
-50
Operating Current vs. Temperature
-50
-50
Preconditioning Charge Current
Recharging Threshold Voltage
-25
-25
-25
vs. Temperature
vs. Temperature
(R
0
Temperature (°C)
SET
0
Temperature (°C)
Temperature (°C)
0
(R
(R
SET
SET
= 8.06kΩ Ω )
= 8.06kΩ Ω )
= 8.06kΩ Ω )
25
25
25
50
50
50
75
75
75
100
100
100
LDO Regulator for Portable Systems
500mA Battery Charger and 300mA
60
50
40
30
20
10
800
700
600
500
400
300
200
100
3.03
3.02
3.01
2.99
2.98
2.97
0
4
0
3
4
Sleep Mode Current vs. Supply Voltage
-50
4.2
Preconditioning Threshold Voltage
Preconditioning Charge Current
4.25
R
R
R
R
4.4
SET
SET
SET
SET
-25
4.5
= 3.24kΩ
= 5.36kΩ
= 8.06kΩ
= 16.2kΩ
4.6
vs. Supply Voltage
4.75
4.8
vs. Temperature
85°C
Temperature (°C)
0
(R
(R
5
SET
SET
5
R
V
V
5.2
= 8.06kΩ Ω )
= 8.06kΩ Ω )
ADP
ADP
SET
5.25
25
5.4
(V)
(V)
= 31.6kΩ
5.5
25°C
5.6
50
AAT2557
5.75
5.8
6
6
-40°C
75
6.2
6.25
6.4
100
6.5
7