ACT8740
Rev PrB, 25-Feb-08
TABLE OF CONTENTS
GENERAL INFORMATION ...................................................................................... P. 01
Functional Block Diagram ............................................................................................ p. 03
Ordering Information .................................................................................................... p. 04
Pin Configuration.......................................................................................................... p. 04
Pin Descriptions ........................................................................................................... p. 05
Absolute Maximum Ratings ......................................................................................... p. 07
SYSTEM MANAGEMENT ........................................................................................ P. 08
Register Descriptions................................................................................................... p. 08
Electrical Characteristics.............................................................................................. p. 09
I2C Interface Electrical Characteristics......................................................................... p. 10
Typical Performance Characteristics............................................................................ p. 11
Functional Description.................................................................................................. p. 12
STEP-DOWN DC/DC CONVERTERS ..................................................................... P. 14
Electrical Characteristics ............................................................................................. p. 14
Register Descriptions................................................................................................... p. 15
Typical Performance Characteristics ........................................................................... p. 17
Functional Description.................................................................................................. p. 18
WLED BIAS DC/DC CONVERTER .........................................................................P. 20
Electrical Characteristics ............................................................................................. p. 20
Register Descriptions ................................................................................................... p. 21
Typical Performance Characteristics ........................................................................... p. 23
Functional Description.................................................................................................. p. 24
LOW-NOISE, LOW-DROPOUT, LINEAR REGULATORS....................................... P. 26
Electrical Characteristics ............................................................................................. p. 26
Register Descriptions................................................................................................... p. 29
Typical Performance Characteristics............................................................................ p. 31
Functional Description.................................................................................................. p. 32
SINGLE-CELL Li+ BATTERY CHARGER (CHGR).................................................P. 33
Electrical Characteristics.............................................................................................. p. 33
Register Descriptions ................................................................................................... p. 34
Typical Performance Characteristics............................................................................ p. 36
Functional Description.................................................................................................. p. 37
PACKAGE INFORMATION...................................................................................... P. 40
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