ADP7142

Data Sheet

Rev. H | Page 2 of 23

TABLE OF CONTENTS

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

 

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

 

Typical Application Circuits........................................................... 1

 

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

 

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

 

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

 

Input and Output Capacitance, 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 ...................................................................... 13

 

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

 

ADIsimPower Design Tool ...................................................... 14

 

Capacitor Selection .................................................................... 14

 

Programable Precision Enable ................................................. 15

 

Soft Start ...................................................................................... 15

 

Noise Reduction of the ADP7142 in Adjustable Mode........ 16

 

Effect of Noise Reduction on Start-Up Time......................... 16

 

Current-Limit and Thermal Overload Protection ................ 17

 

Thermal Considerations ........................................................... 17

 

Printed Circuit Board Layout Considerations ........................... 20

 

Outline Dimensions....................................................................... 22

 

Ordering Guide .......................................................................... 23

 

REVISION HISTORY

3/2020—Rev. G to Rev. H

Changes to General Description Section ...................................... 1

Changes to Shutdown Current Parameter, Table 1..................... 3

Changes to Theory of Operation Section.................................... 13

Change to Figure 50 ....................................................................... 16

Changes to Current-Limit and Thermal Overload

Protection Section .......................................................................... 17

Changes to Table 8 and Table 9.................................................... 21

10/2019—Rev. F to Rev. G

Changes to Features Section and General Description Section .......1

Changes to Ordering Guide.......................................................... 23

9/2018—Rev. E to Rev. F

Changes to Ordering Guide.......................................................... 23

4/2018—Rev. D to Rev. E

Changes to Features Section ........................................................... 1

Changes to Ordering Guide.......................................................... 23

11/2017—Rev. C to Rev. D

Changes to Ordering Guide.......................................................... 22

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

6/2016—Rev. B to Rev. C

Changes to Figure 42 ..................................................................... 13

Changes to Programmable Precision Enable Section and Soft

Start Section .................................................................................... 15

Changes to Figure 50 ..................................................................... 16

Added Effect of Noise Reduction on Start-Up Time Section .. 16

4/2015—Rev. A to Rev. B

Changes to Ordering Guide.......................................................... 23

12/2014—Rev. 0 to Rev. A

Changes to Figure 36 to Figure 41 ............................................... 12

Changes to Figure 44 ..................................................................... 14

Updated Figure 67; Outline Dimensions.................................... 22

9/2014—Revision 0: Initial Version