ADM7151

Data Sheet

Rev. B | Page 2 of 24

TABLE OF CONTENTS

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

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

Typical Application Circuit ............................................................. 1

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

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

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

Input and Output Capacitor, Recommended Specifications.. 4

Absolute Maximum Ratings............................................................ 5

Thermal Data ................................................................................ 5

Thermal Resistance ...................................................................... 5

ESD Caution.................................................................................. 5

Pin Configurations and Function Descriptions ........................... 6

Typical Performance Characteristics ............................................. 7

Theory of Operation ...................................................................... 15

Applications Information .............................................................. 16

Model Selection .......................................................................... 16

Capacitor Selection .................................................................... 16

Enable (EN) and Undervoltage Lockout (UVLO)................. 18

Start-Up Time............................................................................. 19

REF, BYP, and VREG Pins......................................................... 19

Current-Limit and Thermal Overload Protection................. 19

Thermal Considerations............................................................ 19

Printed Circuit Board Layout Considerations ....................... 22

Outline Dimensions....................................................................... 23

Ordering Guide .......................................................................... 24

REVISION HISTORY

8/2019—Rev. A to Rev. B

Changes to Figure 18........................................................................ 9

Updated Outline Dimensions....................................................... 23

Changes to Ordering Guide .......................................................... 24

4/2015—Rev. 0 to Rev. A

Change to Figure 4 ............................................................................6

Change to Figure 39 ....................................................................... 12

9/2013—Revision 0: Initial Version