Microchip Technology Voltage Supervisor SOT23 Manuale utente

Voltage Supervisor SOT23

Evaluation Board

User’s Guide

Information contained in this publication regarding device

applications and the like is provided only for your convenience

and may be superseded by updates. It is your responsibility to

ensure that your application meets with your specifications.

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OTHERWISE, RELATED TO THE INFORMATION,

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Note the following details of the code protection feature on Microchip devices:

• Microchip products meet the specification contained in their particular Microchip Data Sheet.

• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the

intended manner and under normal conditions.

• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our

knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data

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• Microchip is willing to work with the customer who is concerned about the integrity of their code.

• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not

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Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our

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Company’s quality system processes and procedures are for its

PICmicro®8-bit MCUs, KEELOQ®code hopping devices, Serial

EEPROMs, microperipherals, nonvolatile memory and analog

products. In addition, Microchip’s quality system for the design and

manufacture of development systems is ISO 9001:2000 certified.

VOLTAGE SUPERVISOR

SOT23 EVALUATION BOARD

USER’S GUIDE

Table of Contents

Preface ........................................................................................................................... 1

Chapter 1. Product Overview ........................................................................................ 5

1.1 Introduction ..................................................................................................... 5

1.2 What is the Voltage Supervisor SOT23 Evaluation Board ? .......................... 5

1.3 What the Voltage Supervisor SOT23 Evaluation Board Kit Includes ............ 5

Chapter 2. Installation and Operation .......................................................................... 7

2.1 Introduction ..................................................................................................... 7

2.2 Features ......................................................................................................... 7

2.3 Getting Started ............................................................................................... 8

2.4 Voltage Supervisor SOT23 Evaluation Board Description .......................... 12

2.5 Evaluating the Device ................................................................................... 13

Appendix A. Schematic and Layouts ........................................................................ 15

A.1 Introduction .................................................................................................. 15

A.2 Schematics and PCB Layout ....................................................................... 15

A.3 Board Schematic 1 ..................................................................................... 16

A.4 Board Layout - Top Layer With Silk Screen ............................................. 17

Appendix B. Bill Of Materials (BOM) ......................................................................... 19

Appendix C. Microchip Analog SOT-23 Device Compatibility ................................ 21

C.1 Introduction .................................................................................................. 21

C.2 PCB Compatibility ........................................................................................ 21

C.3 Ideas on Evaluating An LDO ....................................................................... 22

Worldwide Sales and Service .................................................................................... 24

Voltage Supervisor SOT23 Evaluation Board User’s Guide

NOTES:

VOLTAGE SUPERVISOR

SOT23 EVALUATION BOARD

USER’S GUIDE

Preface

INTRODUCTION

This chapter contains general information that will be useful to know before using the

Voltage Supervisor SOT23 Evaluation Board. Items discussed in this chapter include:

• Document Layout

• Conventions Used in this Guide

• Recommended Reading

• The Microchip Web Site

• Customer Support

• Document Revision History

DOCUMENT LAYOUT

This document describes how to use the Voltage Supervisor SOT23 Evaluation Board

as a development tool. The manual layout is as follows:

•Chapter 1. “Product Overview” – Important information about the Voltage

Supervisor SOT23 Evaluation Board.

•Chapter 2. “Installation and Operation” – Includes instructions on how to get

started with this evaluation board.

•Appendix A. “Schematic and Layouts” – Shows the schematic and layout

diagrams for the Voltage Supervisor SOT23 Evaluation Board.

•Appendix B. “Bill Of Materials (BOM)” – Lists the parts used to build the Volt-

age Supervisor SOT23 Evaluation Board.

•Appendix C. “Microchip Analog SOT-23 Device Compatibility” – Explains

how this board (PCB) may be used with other Microchip Analog devices in the

SOT-23-3 package.

NOTICE TO CUSTOMERS

All documentation becomes dated, and this manual is no exception. Microchip tools and

documentation are constantly evolving to meet customer needs, so some actual dialogs

and/or tool descriptions may differ from those in this document. Please refer to our web site

(www.microchip.com) to obtain the latest documentation available.

Documents are identified with a “DS” number. This number is located on the bottom of each

page, in front of the page number. The numbering convention for the DS number is

“DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the

document.

Voltage Supervisor SOT23 Evaluation Board User’s Guide

CONVENTIONS USED IN THIS GUIDE

This manual uses the following documentation conventions:

RECOMMENDED READING

For more information regarding the Voltage Supervisor and Voltage Detector devices,

the specific device data sheet is recommended reading. Table shows the device and

associated Data Sheet literature number. These documents can be downloaded from

the Microchip web site at: www.microchip.com.

DEVICES AND DATA SHEET LITERATURE NUMBERS

DOCUMENTATION CONVENTIONS

Description Represents Examples

Arial font:

Italic characters Referenced books MPLAB®IDE User’s Guide

Emphasized text ...is the only compiler...

Device Literature # Device Literature # Device Literature #

MCP100 DS11187 MCP809 DS11194 TC1277 DS21383

MCP101 DS11187 MCP810 DS11194 TC1278 DS21384

MCP102 DS21906 TC51 DS21429 TC1279 DS21384

MCP103 DS21906 TC54 DS21434 TCM809 DS21661

MCP111 DS21889 TC1272 DS21382 TCM810 DS21661

MCP112 DS21889 TC1272A DS21877

MCP120 DS11184 TC1273 DS21382

MCP121 DS21906 TC1274 DS21382

MCP130 DS11184 TC1275 DS21383

MCP131 DS21906 TC1276 DS21383

Preface

THE MICROCHIP WEB SITE

Microchip provides online support via our web site at www.microchip.com. This web

site is used as a means to make files and information easily available to customers.

Accessible by using your favorite Internet browser, the web site contains the following

information:

•Product Support – Data sheets and errata, application notes and sample

programs, design resources, user’s guides and hardware support documents,

latest software releases and archived software

•General Technical Support – Frequently Asked Questions (FAQs), technical

support requests, online discussion groups, Microchip consultant program

member listing

•Business of Microchip – Product selector and ordering guides, latest Microchip

press releases, listing of seminars and events, listings of Microchip sales offices,

distributors and factory representatives

CUSTOMER SUPPORT

Users of Microchip products can receive assistance through several channels:

• Distributor or Representative

• Local Sales Office

• Field Application Engineer (FAE)

• Technical Support

• Development Systems Information Line

Customers should contact their distributor, representative or field application engineer

for support. Local sales offices are also available to help customers. A listing of sales

offices and locations is included in the back of this document.

Technical support is available through the web site at: http://support.microchip.com

DOCUMENT REVISION HISTORY

Revision B (July 2006)

• Add disclaimer to Bill of Materials regarding RoHS-Compliant part numbers

• Removed Appendix D and incorporated information here.

Revision A (September 2004)

• Initial Release of this Document.

Voltage Supervisor SOT23 Evaluation Board User’s Guide

NOTES:

VOLTAGE SUPERVISOR

SOT23 EVALUATION BOARD

USER’S GUIDE

Chapter 1. Product Overview

1.1 INTRODUCTION

This chapter provides an overview of the Voltage Supervisor SOT23 Evaluation Board

and covers the following topics:

• What is the Voltage Supervisor SOT23 Evaluation Board ?

• What the Voltage Supervisor SOT23 Evaluation Board kit includes

1.2 WHAT IS THE VOLTAGE SUPERVISOR SOT23 EVALUATION BOARD ?

The Voltage Supervisor SOT23 Evaluation Board allows the system designer to

quickly evaluate the operation of Microchip Technology’s Voltage Supervisors and

Voltage Detectors in the SOT-23-3 (3-pin SOT-23) package.

The Voltage Supervisor SOT23 Evaluation Board PCB supports the four different

SOT-23-3 pinouts for the product family. This board has been made generic so that

other devices may be supported with this board.

1.3 WHAT THE VOLTAGE SUPERVISOR SOT23 EVALUATION BOARD KIT

INCLUDES

This Voltage Supervisor SOT23 Evaluation Board Kit includes:

• Five Voltage Supervisor SOT23 Evaluation Board Printed Circuit Boards (PCBs)

• Five MCP112 device samples (MCP112T-270E/TT) that can be installed on the

Voltage Supervisor SOT23 Evaluation Board PCBs

- 2.63V Trip Point (Typical)

- Extended Temperature

- SOT-23-3 Package

• Voltage Supervisor SOT23 Evaluation Board User’s Guide

(Electronic Version on CD)

• Analog and Interface Products Demonstration Boards CD-ROM (DS21912)

Voltage Supervisor SOT23 Evaluation Board User’s Guide

NOTES:

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