PRODUCT DATASHEET
AAT2557
TM
SystemPower
500mA Battery Charger and 300mA LDO Regulator for Portable Systems
Typical Characteristics – LDO Regulator
Load Transient Response
(VOUT = 2.8V)
Line Transient Response
2.90
2.85
2.80
2.75
6
VOUT
5
VIN
4
100
0
3.00
VOUT
IOUT
2.99
2.98
Time (100µs/div)
Time (100µs/div)
Load Transient Response 300mA
(VOUT = 2.8V)
3.0
2.9
2.8
VOUT
2.7
400
300
200
100
IOUT
0
Time (10µs/div)
w w w . a n a l o g i c t e c h . c o m
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2557.2009.07.1.2