Table of Contents

Introduction.....................................................................................................................................................1

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

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

Technical Support and Documentation................................................................................................... 2

1.

Functional Descriptions...........................................................................................................................4

1.1.

Purpose of Charge Pump.............................................................................................................5

1.2.

Purpose and Use of Supply Pins..................................................................................................5

2.

Electrical Specifications.......................................................................................................................... 6

2.1.

Absolute Maximum Ratings..........................................................................................................6

2.2.

Operating Ratings........................................................................................................................ 7

2.3.

Electrical Characteristics.............................................................................................................. 7

3.

Pin Descriptions.................................................................................................................................... 10

4.

Package Information............................................................................................................................. 12

4.1.

Package Outline Drawing...........................................................................................................12

4.2.

Thermal Specifications............................................................................................................... 13

4.3.

Recommended PCB Layout.......................................................................................................13

5.

Application Information..........................................................................................................................16

5.1.

Peripheral Devices..................................................................................................................... 16

5.2.

Operation with an External DC Source...................................................................................... 16

6.

Design Example.................................................................................................................................... 19

7.

Ordering Information............................................................................................................................. 21

8.

Revision History.................................................................................................................................... 22

The Microchip Website.................................................................................................................................23

Product Change Notification Service............................................................................................................23

Customer Support........................................................................................................................................ 23

Microchip Devices Code Protection Feature................................................................................................ 23

Legal Notice................................................................................................................................................. 23

Trademarks.................................................................................................................................................. 24

Quality Management System....................................................................................................................... 24

Worldwide Sales and Service.......................................................................................................................25

PD70224

Datasheet

DS00003575C-page 3