LM5018

SNVS787G – JANUARY 2012 – REVISED OCTOBER 2015

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Table of Contents

7.3

Feature Description................................................. 10

1

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

7.4

Device Functional Modes........................................ 14

2

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

8

Application and Implementation ........................ 15

3

Description ............................................................. 1

8.1

Application Information............................................ 15

4

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

8.2

Typical Application .................................................. 15

5

Pin Configuration and Functions ......................... 4

9

Power Supply Recommendations ...................... 24

6

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

10

Layout................................................................... 24

6.1

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

10.1

Layout Guidelines ................................................. 24

6.2

ESD Ratings ............................................................ 5

10.2

Layout Example .................................................... 24

6.3

Recommended Operating Conditions ....................... 5

11

Device and Documentation Support ................. 25

6.4

Thermal Information .................................................. 5

11.1

Documentation Support ........................................ 25

6.5

Electrical Characteristics........................................... 6

11.2

Community Resources.......................................... 25

6.6

Timing Requirements ................................................ 6

11.3

Trademarks ........................................................... 25

6.7

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

11.4

Electrostatic Discharge Caution ............................ 25

7

Detailed Description .............................................. 9

11.5

Glossary ................................................................ 25

7.1

Overview ................................................................... 9

12

Mechanical, Packaging, and Orderable

7.2

Functional Block Diagram ......................................... 9

Information ........................................................... 25

4 Revision History

Changes from Revision F (December 2014) to Revision G

Page

•

•

Changed 8 to 4 on equation in Input Capacitor section ....................................................................................................... 17

•

Changed 0.17

μF to 0.34 μF in Input Capacitor section ...................................................................................................... 17

Changes from Revision E (December 2013) to Revision F

Page

•

Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional

Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device

and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1

•

Changed input voltage in Typical Application schematic ...................................................................................................... 1

•

Added package designators to pin out drawings. ................................................................................................................. 4

•

Changed Thermal Information table. ...................................................................................................................................... 5

•

Changed Soft-Start Circuit graphic....................................................................................................................................... 14

•

Changed Frequency Selection, Inductor Selection, Output Capacitor, Input Capacitor, and UVLO Resistors sections. .... 15

•

Changes from Revision D (December 2013) to Revision E

Page

•

Added Thermal Parameters. .................................................................................................................................................. 5

2

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