ADM7155

Data Sheet

Rev. C | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

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

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

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 ...................................................................... 14

Applications Information .............................................................. 15

ADIsimPower Design Tool ....................................................... 15

Capacitor Selection .................................................................... 15

Undervoltage Lockout (UVLO) ............................................... 16

Programmable Precision Enable .............................................. 17

Start-Up Time ............................................................................. 17

REF, BYP, and VREG Pins......................................................... 18

Current-Limit and Thermal Overload Protection................. 18

Thermal Considerations............................................................ 18

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

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

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

REVISION HISTORY

8/2016—Rev. B to Rev. C

Changes to Programmable Precision Enable Section and

Figure 53 .......................................................................................... 17

9/2015—Rev. A to Rev. B

Changed 3.0 V to 2.4 V.................................................................. 14

12/2014—Rev. 0 to Rev. A

Changes to Figure 35 to Figure 40................................................ 12

Changes to Figure 45...................................................................... 15

10/2014—Revision 0: Initial Version