ACT8810

Rev 4, 01-Oct-09

Active-Semi

- 2 -

www.active-semi.com

Copyright © 2009 Active-Semi, Inc.

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. 10

Register Descriptions ............................................................................................................. p. 11

Typical Performance Characteristics...................................................................................... p. 12

Functional Description............................................................................................................ p. 13

STEP-DOWN DC/DC CONVERTERS ..........................................................................P. 17

Electrical Characteristics ........................................................................................................ p. 17

Typical Performance Characteristics...................................................................................... p. 20

Register Descriptions ............................................................................................................. p. 22

Functional Description............................................................................................................ p. 28

LOW-DROPOUT LINEAR REGULATORS ..................................................................P. 31

Electrical Characteristics ........................................................................................................ p. 31

Typical Performance Characteristics...................................................................................... p. 33

Register Descriptions ............................................................................................................. p. 34

Functional Description............................................................................................................ p. 36

RTC LOW-DROPOUT LINEAR REGULATOR ............................................................P. 37

Electrical Characteristics ........................................................................................................ p. 37

Register Descriptions ............................................................................................................. p. 38

Functional Description............................................................................................................ p. 39

Electrical Characteristics ........................................................................................................ p. 40

Typical Performance Characteristics...................................................................................... p. 42

Functional Description............................................................................................................ p. 44

PACKAGE INFORMATION..........................................................................................P. 52