Data Sheet

LTM8060F

analog.com

Rev. 0

3 of 43

TABLE OF CONTENTS

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

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

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

Typical Application ...............................................................................................................................................................................2

Revision History ....................................................................................................................................................................................4

Specifications........................................................................................................................................................................................5

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

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

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

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

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

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

Pin Descriptions................................................................................................................................................................................9

Typical Performance Characteristics .................................................................................................................................................13

Theory of Operation............................................................................................................................................................................21

LTM8060F Overview........................................................................................................................................................................21

Applications Information....................................................................................................................................................................23

Set Output Voltage .........................................................................................................................................................................23

Capacitor Selection Considerations ..............................................................................................................................................23

Frequency Selection.......................................................................................................................................................................24

Operating Frequency Trade-Offs....................................................................................................................................................24

BIASn Pin Considerations...............................................................................................................................................................25

Maximum Load ...............................................................................................................................................................................25

Power Derating ...............................................................................................................................................................................26

Load Sharing...................................................................................................................................................................................29

Burst Mode Operation ....................................................................................................................................................................29

Minimum Input Voltage..................................................................................................................................................................29

Output Voltage Tracking and Soft Start.........................................................................................................................................29

Prebiased Output ...........................................................................................................................................................................30

Frequency Foldback .......................................................................................................................................................................30

Synchronization..............................................................................................................................................................................30

Shorted Input Protection ...............................................................................................................................................................30

PCB Layout......................................................................................................................................................................................31

Hot-Plugging Safely........................................................................................................................................................................32