ADP7112 datasheet(2/47 Pages) AD

2 / 47 page

Data Sheet

LT3046

analog.com

Rev 0

2 of 47

TABLE OF CONTENTS

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

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

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

TYPICAL APPLICATION ..........................................................1

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

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

Absolute Maximum Ratings ..................................................7

Thermal Resistance ..........................................................8

Electrostatic Discharge (ESD)...........................................8

ESD Ratings.......................................................................8

ESD Caution ......................................................................8

Pin Configurations and Function Descriptions ....................9

Typical Performance Characteristics .................................12

Theory of Operation............................................................23

Applications Information....................................................24

Output Voltage................................................................24

Output Sensing and Stability .........................................25

Stability and Output Capacitance..................................26

High Vibration Environments .........................................28

Stability and Input Capacitance.....................................28

PSRR and Input Capacitance..........................................29

Filtering High-Frequency Spikes.................................... 29

Output Noise .................................................................. 29

SET Pin (Bypass) Capacitance: Noise, PSRR, Transient

Response, and Soft-Start ............................................... 30

Fast Startup.................................................................... 30

EN/UV.............................................................................. 30

Programmable Power Good .......................................... 31

Externally Programmable Current Limit ....................... 31

Output Overshoot Recovery .......................................... 31

Direct Paralleling for Higher Current ............................. 32

PCB Layout Considerations ........................................... 33

Thermal Considerations ................................................ 33

Calculating Junction Temperature ............................... 34

Overload Recovery ......................................................... 35

Protection Features ....................................................... 35

Typical Applications ........................................................... 36

Related Products ................................................................ 44

Outline Dimensions ............................................................ 45

Ordering Guide ................................................................... 46

Selector Guide .................................................................... 46

REVISION HISTORY

REVISION NUMBER

REVISION DATE

NATURE OF CHANGE

PAGE NUMBER

10/23

Initial Release

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