ADP3196 查看數據表（PDF） - Analog Devices

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ADP3196

6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller

Analog Devices 

TABLE OF CONTENTS

Features .............................................................................................. 1

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

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

Functional Block Diagram .............................................................. 1

Table of Contents .............................................................................. 2

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Test Circuits....................................................................................... 5

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Description .............................. 7

Typical Performance Characteristics ............................................. 9

Theory of Operation ...................................................................... 10

Start-Up Sequence...................................................................... 10

Phase Detection Sequence......................................................... 10

Master Clock Frequency............................................................ 11

Output Voltage Differential Sensing ........................................ 11

REVISION HISTORY

10/06—Revision 0: Initial Version

ADP3196

Output Current Sensing ............................................................ 11

Active Impedance Control Mode............................................. 11

Current Control Mode and Thermal Balance ........................ 11

Voltage Control Mode ............................................................... 12

Current Reference ...................................................................... 12

Enhanced PWM Mode .............................................................. 12

Delay Timer................................................................................. 12

Soft Start ...................................................................................... 12

Current Limit, Short-Circuit, and Latch-Off Protection ...... 13

Dynamic VID ............................................................................. 14

Power-Good Monitoring........................................................... 14

Output Crowbar ......................................................................... 14

Output Enable and UVLO ........................................................ 14

Thermal Monitoring .................................................................. 14

Layout and Component Placement ......................................... 17

Outline Dimensions ....................................................................... 18

Ordering Guide .......................................................................... 18

Rev. 0 | Page 2 of 20

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