AAT2557 AnalogicTech, AAT2557 Datasheet - Page 10

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

Typical Characteristics – LDO Regulator
10
2.90
2.85
2.80
2.75
5
0
6
5
4
3
2
1
0
LDO Initial Power-Up Response Time
V
I
OUT
OUT
Load Transient Response
Turn-Off Response Time
Time (100µs/div)
Time (5µs/div)
Time (50µs/div)
(V
(I
OUT
OUT
= 100mA)
= 2.8V)
3
2
1
0
100
0
3
2
1
0
LDO Regulator for Portable Systems
500mA Battery Charger and 300mA
6
5
4
4
3
2
1
0
3.0
2.9
2.8
2.7
V
V
LDO Turn-On Time from Enable
IN
OUT
Load Transient Response 300mA
Line Transient Response
V
I
OUT
OUT
Time (100µs/div)
(V
Time (5µs/div)
Time (10µs/div)
(V
IN
Present)
OUT
= 2.8V)
AAT2557
2557.2007.06.1.0
4
3
2
1
0
400
300
200
100
0
3.00
2.99
2.98