Absolute Maximum Ratings

1

Thermal Information

Symbol

Description

Value

Units

V

INLDO

Input Voltage to GND

6.0

V

V

ADP

Adapter Voltage to GND

-0.3 to 7.5

V

V

EN

ENLDO, EN_BAT Voltage to GND

-0.3 to 6.0

V

V

X

BAT, ISET, STAT Voltage to GND

-0.3 to V

V

V

BYP

BYP Voltage to GND

-0.3 to V

V

T

J

Operating Junction Temperature Range

-40 to 150

°C

T

LEAD

Maximum Soldering Temperature (at leads, 10 sec)

300

°C

Symbol

Description

Value

Units

P

D

Maximum Power Dissipation

625

mW

θ

JA

Thermal Resistance

2

160

°C/W

1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at condi-

tions other than the operating conditions specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.

2. Mounted on an FR4 board.

2557.2007.06.1.0

3

AAT2557

500mA Battery Charger and 300mA

LDO Regulator for Portable Systems