ADPL12008/ADPL12010

20V, 8A/10A Fully Integrated Buck Converter

with 20μA Quiescent Current and Dual-Phase

Capability

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TABLE OF CONTENTS

General Description ............................................................................................................................................................1

Applications.........................................................................................................................................................................1

Benefits and Features.........................................................................................................................................................1

Absolute Maximum Ratings ...............................................................................................................................................4

Package Information ...........................................................................................................................................................4

Electrical Characteristics.....................................................................................................................................................5

Typical Operating Characteristics .......................................................................................................................................7

Pin Configurations...............................................................................................................................................................9

Pin Descriptions ................................................................................................................................................................10

Detailed Description..........................................................................................................................................................11

Linear Regulator Output (BIAS) ....................................................................................................................................11

Synchronization Input (SYNC) ......................................................................................................................................11

Enable Input (EN)..........................................................................................................................................................11

Soft-Start .......................................................................................................................................................................11

Short-Circuit Protection .................................................................................................................................................11

Power Good Indicator (PGOOD) ...................................................................................................................................11

Thermal Shutdown Protection .......................................................................................................................................12

Dual-Phase Operation...................................................................................................................................................12

Low-IQ Operation in Dual-Phase ..................................................................................................................................13

Applications Information....................................................................................................................................................14

Setting the Output Voltage ............................................................................................................................................14

Input Capacitor ..............................................................................................................................................................14

Selecting the Inductor....................................................................................................................................................15

Output Capacitor ...........................................................................................................................................................15

PCB Layout Guidelines .................................................................................................................................................16

Typical Application Circuits ...............................................................................................................................................18

Ordering Information .........................................................................................................................................................19