Microchip Technology SOT223-3 Voltage Regulator Evaluation Board User guide

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SOT223-3

Voltage Regulator

Evaluation Board

User’s Guide

Page 2

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 Sheets. Most likely, the person doing so is engaged in theft of intellectual property.

• 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 mean that we are guaranteeing the product as “unbreakable.”

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.

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in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates.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. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights.

Trademarks

The Microchip name and logo, the Microchip logo, Accuron, dsPIC, K

EELOQ, KEELOQ logo, MPLAB, PIC, PICmicro,

PICSTART, rfPIC, SmartShunt and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.

FilterLab, Linear Active Thermistor, MXDEV, MXLAB, SEEVAL, SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A.

Analog-for-the-Digital Age, Application Maestro, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, In-Circuit Serial Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, mTouch, PICkit, PICDEM, PICDEM.net, PICtail, PIC

logo, PowerCal, PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.

SQTP is a service mark of Microchip Technology Incorporated in the U.S.A.

All other trademarks mentioned herein are property of their respective companies.

Printed on recycled paper.

Microchip received ISO/TS-16949:2002 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC 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.

MCUs and dsPIC® DSCs, KEELOQ

code hopping

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SOT223-3 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

Table of Contents

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

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

Document Layout .................................................................................................. 1

Conventions Used in this Guide ............................................................................ 2

Recommended Reading........................................................................................ 3

The Microchip Web Site ........................................................................................ 3

Customer Support ................................................................................................. 3

Document Revision History................................................................................... 3

Chapter 1. Product Overview

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

1.2 What is the SOT223-3 Voltage Regulator Evaluation Board? ........................ 5

1.3 What the SOT223-3 Voltage Regulator Evaluation Board kit includes? ........ 6

Chapter 2. Installation and Operation

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

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

2.3 Getting Started ............................................................................................... 7

Appendix A. Schematic and Layouts

A.1 Introduction .................................................................................................... 9

A.2 Board - Schematic ....................................................................................... 10

A.3 Board - Top Copper Layout ......................................................................... 11

A.4 Board - Bottom Copper Layout .................................................................... 12

A.5 Board - Top Silk Layout ............................................................................... 13

Appendix B. Bill of Materials (BOM)

Worldwide Sales and Service .................................................................................... 16

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SOT223-3 Voltage Regulator Evaluation Board User’s Guide

NOTES:

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SOT223-3 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

Preface

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.

For the most up-to-date information on development tools, see the MPLAB Select the Help menu, and then Topics to open a list of available on-line help files.

IDE on-line help.

INTRODUCTION

This chapter contains general information that will be useful to know before using the SOT223-3 Voltage Regulator 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 SOT223-3 Voltage Regulator Evaluation Board as a development tool to emulate and debug firmware on a target board. The manual layout is as follows:

• Chapter 1. “Product Overview” – Important information about the SOT223-3

Voltage Regulator Evaluation Board.

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

started with this evaluation board and a description of the evaluation board operation.

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

diagrams for the SOT223-3 Voltage Regulator Evaluation Board.

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

SOT223-3 Voltage Regulator Evaluation Board.

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SOT223-3 Voltage Regulator Evaluation Board User’s Guide

CONVENTIONS USED IN THIS GUIDE

This manual uses the following documentation conventions:

DOCUMENTATION CONVENTIONS

Description Represents Examples

Arial font:

Italic characters Referenced books MPLAB® IDE User’s Guide

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

Initial caps A window the Output window

A dialog the Settings dialog A menu selection select Enable Programmer

Quotes A field name in a window or

dialog

Underlined, italic text with right angle bracket

Bold characters A dialog button Click OK

N‘Rnnnn A number in verilog format,

Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>

Courier New font:

Plain Courier New Sample source code #define START

Italic Courier New A variable argument file.o, where file can be

Square brackets [ ] Optional arguments mcc18 [options] file

Curly brackets and pipe character: { | }

Ellipses... Replaces repeated text var_name [,

A menu path File>Save

A tab Click the Power tab

where N is the total number of digits, R is the radix and n is a digit.

Filenames autoexec.bat File paths c:\mcc18\h Keywords _asm, _endasm, static Command-line options -Opa+, -Opa- Bit values 0, 1 Constants 0xFF, ‘A’

Choice of mutually exclusive arguments; an OR selection

Represents code supplied by user

“Save project before build”

4‘b0010, 2‘hF1

any valid filename

[options] errorlevel {0|1}

var_name...] void main (void)

{ ... }

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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

Preface

CUSTOMER SUPPORT

Users of Microchip products can receive assistance through several channels:

• Distributor or Representative

• Local Sales Office

• Field Application Engineer (FAE)

• Technical Support

Customers should contact their distributor, representative or field application engineer (FAE) 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 A (November 2008)

• Initial Release of this Document.

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SOT223-3 Voltage Regulator Evaluation Board User’s Guide

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Chapter 1. Product Overview

1.1 INTRODUCTION

The SOT223-3 Voltage Regulator Evaluation Board is designed to provide functional evaluation of Microchip Voltage Regulators that utilize the SOT223-3 package and the following device pinout:

-Pin 1 = V

-Pin 2 = GND

-Pin 3 = V

The SOT223-3 Voltage Regulator Evaluation Board does not come with a voltage regulator soldered onto the board. This allows the user to attach the voltage regulator of their choosing to the board and perform quiescent current, ground current, PSRR, and other desired tests.

The SOT223-3 Voltage Regulator Evaluation Board is based upon a modulare concept which will allow the user to plug in additional boards to increase the test capability of the voltage regulator. Planned additional modulare plugin boards currently consist of an Input Voltage Linestep Board, Output Voltage Loadstep Board, and several other device packages.

SOT223-3 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

OUT

1.2 WHAT IS THE SOT223-3 VOLTAGE REGULATOR EVALUATION BOARD?

The SOT223-3 Voltage Regulator Evaluation Board is designed to evaluate and test voltage regulators. By soldering the desired device to the evaluation board, the user can easily validate several parameters of the device.

1.2.1 Funtional Blocks

The SOT223-3 Voltage Regulator Evaluation Board can be broken up into 3 functional blocks. These blocks are as follows:

• Input Capacitance

• Ground Current Measurement

• Load Resistor

1.2.2 Input Capacitance

Jumper JP1 connects the input capacitance to the circuit. The input capacitor is disconnected when performing Power Supply Ripple Rejection tests. By default, C1 is populated with a 1 µF, 50V, XR7 ceramic capacitor.

1.2.3 Ground Current Measurement

Jumper JP3 allows measurement of ground current. When a current meter is connected to TP6 and TP7 and jumper JP3 is removed, the ground current of the device may be measured.

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SOT223-3 Voltage Regulator Evaluation Board User’s Guide

1.2.4 Load Resistor

R5 and R6 may be populated with the desired load resistor values for the device being evaluated. JP4 connects R5 to the device output, JP5 connects R6 to the device output.

1.2.5 Output Capacitor

C2 may be populated with the desired surface mount output capacitance. By default, C2 is populated with a 1 µF, 6.3V, XR7 ceramic capacitor.

C3 may be populated with an electrolytic or tantalum capacitor having a radial lead spacing of 0.100”.

1.2.6 Power Supply

J1 or TP1 and TP2 are connected to the user’s power supply.

1.3 WHAT THE SOT223-3 VOLTAGE REGULATOR EVALUATION BOARD KIT INCLUDES?

This SOT223-3 Voltage Regulator Evaluation Board kit includes:

• SOT223-3 Voltage Regulator Evaluation Board (102-00199)

• Analog and Interface Products Demonstration Boards CD-ROM includes:

- SOT223-3 Voltage Regulator Evaluation Board User’s Guide (DS51779)

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Chapter 2. Installation and Operation

2.1 INTRODUCTION

The SOT223-3 Voltage Regulator Evaluation Board is designed to facilitate evaluation of Microchip’s voltage regulators or to be used as a stand-alone voltage regulator board. Jumpers have been placed on the board to ease the test of the specific voltage regulator parameters.

The SOT223-3 Voltage Regulator Evaluation Board kit comes with a 1 μF ceramic input and output capacitor soldered to the board. The board has two unpopulated resistor locations that may be used for loads.

2.2 FEATURES

The SOT223-3 Voltage Regulator Evaluation Board has the following features:

• Input and Output headers for future connection to Line Step and Load Step modules

• Ample testpoints to attach multimeters, power supplies, and loads

• Jumper to select ground current measurement

• Jumper to select two different load resistors

• Jumper to connect input capacitor to circuit

SOT223-3 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

2.3 GETTING STARTED

The SOT223-3 Voltage Regulator Evaluation Board is fully assembled and tested. For operating, a user supplied voltage regulator and a supply voltage source are required. Some of the tests that may be completed using the SOT223-3 Voltage Regulator Evaluation Board are described in the next subchapters.

2.3.1 Ground Current and Quiescent Current

When measuring ground current, jumper JP3 should be removed, otherwise leave jumper JP3 on. To measure ground current, perform the following steps:

1. Add desired load resistors to R5 and R6.

2. Remove jumpers JP3, JP4, and JP5.

3. Connect an ammeter across testpoints TP6(+) and TP7(-). Select the

appropriate meter scale for the device that is being evaluated.

4. Connect a voltmeter across testpoints TP9(+) and TP10(-).

5. Add jumper JP1.

6. Apply source voltage to testpoints TP1(+) and TP2(-).

7. Verify that the voltage across testpoints TP9 and TP10 is within the expected

range of the tested device.

8. Read the Ground Current directly from the ammeter connected to the testpoints

TP6 and TP7.

9. Vary the input voltage to obtain data for ground current versus input voltage. If no

load is attached to the output of the voltage regulator, the measured “ground current” is also called the “quiescent current” of the regulator.

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SOT223-3 Voltage Regulator Evaluation Board User’s Guide

10. Add a load selection jumper, JP4 or JP5.

11. Read the Ground Current directly from the ammeter connected to the testpoints TP6 and TP7.

12. The data collected will be the “ground current” versus load current.

2.3.2 Load Resistance

R5 and R6 are used to set the desired load values. One choice is to set R5 to the minimum current wanted for testing. R6 would then be set to a value appropriate for the specific tests. Either value may be selected by adding their respective jumpers.

2.3.3 Line Step

Dynamic Line Step response may be evaluated by connecting an electronically switched input voltage to testpoints TP1(+) and TP2(-) or to connector J1. An oscilloscope is connected to TP3 (Ch1 Trigger), TP9 (Ch2) and TP10 (Gnd). An appropriate load is selected using R5 and JP4 or R6 and JP5. The input voltage is then electronically switched from a low voltage to a higher one. The corresponding voltage waveform data of the voltage regulator response is captured by the oscilloscope. Microchip will be offering a Line Step module that connects directly to connector J1. The Line Step module will be capable of switching between two voltage levels that the user supplies.

2.3.4 Load Step

Dynamic Load Step response may be evaluated by connecting an electronically switched load to testpoints TP9(+) and TP10(-), or to connector P1. An oscilloscope is connected to the electronic load switch signal (Ch1 Trigger), to TP9 (Ch2) and TP10(Gnd). The load is then electronically switched from a high resistance to a low resistance. The corresponding voltage waveform data of the voltage regulator response is captured by the oscilloscope. Microchip will be offering a Load Step module that connects directly to connector P1. The Load Step module has several selectable load values populated on board to cover a wide range of loads. The load has the ability to be electronically or manually switched.

2.3.5 Power Supply Rejection Ratio (PSRR)

Power Supply Rejection Ratio tests are performed by removing the input capacitor jumper, JP1, and connecting an appropriate PSRR analyzer to the SOT223-3 Voltage Regulator Evaluation Board. The PSRR analyzer may then sweep the input voltage frequencies and record the corresponding output voltages.

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Appendix A. Schematic and Layouts

A.1 INTRODUCTION

This appendix contains the following schematis and layouts for the SOT223-3 Voltage Regulator Evaluation Board:

• Board - Schematic

• Board - Top Copper Layout

• Board - Bottom Copper Layout

• Board - Top Silk Layout

SOT223-3 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

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Date

REV Revision Notes

Initial Release 18-FEB-2008

SOT223-3 Voltage Regulator Evaluation Board User’s Guide

A.2 BOARD - SCHEMATIC

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A.3 BOARD - TOP COPPER LAYOUT

Schematic and Layouts

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SOT223-3 Voltage Regulator Evaluation Board User’s Guide

A.4 BOARD - BOTTOM COPPER LAYOUT

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A.5 BOARD - TOP SILK LAYOUT

Schematic and Layouts

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SOT223-3 Voltage Regulator Evaluation Board User’s Guide

NOTES:

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SOT223-3 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

Appendix B. Bill of Materials (BOM)

TABLE B-1: BILL OF MATERIALS (BOM)

Qty Reference Description Manufacturer Part Number

1 C1 CAP CERAMIC 1.0 μF 50V X7R 0805 Murata Electronics®GRM21BR71H105KA12L 1 C2 CAP CERAMIC 1.0 μF 16V X7R 0805 Kemet

1 C3 DO NOT POPULATE – – 1 J1 2 pin RA header, 0.100 centers, 0.025 sq

pins, 0.070 pcb to pin center height, 36 pins to a strip (yields 18 headers)

4 JP1, JP3,

JP4, JP5

4 JP1, JP3,

JP4, JP5

1 P1 RA socket, 0.100 centers, 0.025 sq pins,

2 PCB RoHS Compliant Bare PCB, SOT223-3

2 R5, R6 DO NOT POPULATE – – 8TP1, TP2,

TP3, TP4, TP6, TP7,

TP9, TP10 1 U1 DO NOT POPULATE – – 4 Each Corner Bumpon Hemisphere 0.44 x 0.20 Clear 3M SJ-5303 (Clear)

Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM

used in manufacturing uses all RoHS-compliant components.

2 pin header, 0.100 centers,

0.025 sq pins, 0.070 pcb to pin center height, 36 pins to a strip (yields 18 headers)

Connector, Shorting jumper, Tin, 0.100” Sullins STC02SYAN

0.070 pcb to pin center height

Voltage Regulator Eval Board

SMT Testpoint Keystone

Electronics

Corp.

3M 929835-01-36-RK

Molex

Electronics 22-28-4360

Sullins PPPC021LGBN-RC

Microchip Technology Inc.

Electronics

C0805C105K4RACTU

104-00199

5016

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WORLDWIDE SALES AND SERVICE

AMERICAS

Corporate Office

2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical Support: http://support.microchip.com Web Address: www.microchip.com

Atlanta

Duluth, GA Tel: 678-957-9614 Fax: 678-957-1455

Boston

Westborough, MA Tel: 774-760-0087 Fax: 774-760-0088

Chicago

Itasca, IL Tel: 630-285-0071 Fax: 630-285-0075

Dallas

Addison, TX Tel: 972-818-7423 Fax: 972-818-2924

Detroit

Farmington Hills, MI Tel: 248-538-2250 Fax: 248-538-2260

Kokomo

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Los Angeles

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Santa Clara

Santa Clara, CA Tel: 408-961-6444 Fax: 408-961-6445

Toronto

Mississauga, Ontario, Canada Tel: 905-673-0699 Fax: 905-673-6509

ASIA/PACIFIC

Asia Pacific Office

Suites 3707-14, 37th Floor Tower 6, The Gateway Harbour City, Kowloon Hong Kong Tel: 852-2401-1200 Fax: 852-2401-3431

Australia - Sydney

Tel: 61-2-9868-6733 Fax: 61-2-9868-6755

China - Beijing

Tel: 86-10-8528-2100 Fax: 86-10-8528-2104

China - Chengdu

Tel: 86-28-8665-5511 Fax: 86-28-8665-7889

China - Hong Kong SAR

Tel: 852-2401-1200 Fax: 852-2401-3431

China - Nanjing

Tel: 86-25-8473-2460 Fax: 86-25-8473-2470

China - Qingdao

Tel: 86-532-8502-7355 Fax: 86-532-8502-7205

China - Shanghai

Tel: 86-21-5407-5533 Fax: 86-21-5407-5066

China - Shenyang

Tel: 86-24-2334-2829 Fax: 86-24-2334-2393

China - Shenzhen

Tel: 86-755-8203-2660 Fax: 86-755-8203-1760

China - Wuhan

Tel: 86-27-5980-5300 Fax: 86-27-5980-5118

China - Xiamen

Tel: 86-592-2388138 Fax: 86-592-2388130

China - Xian

Tel: 86-29-8833-7252 Fax: 86-29-8833-7256

China - Zhuhai

Tel: 86-756-3210040 Fax: 86-756-3210049

ASIA/PACIFIC

India - Bangalore

Tel: 91-80-4182-8400 Fax: 91-80-4182-8422

India - New Delhi

Tel: 91-11-4160-8631 Fax: 91-11-4160-8632

India - Pune

Tel: 91-20-2566-1512 Fax: 91-20-2566-1513

Japan - Yokohama

Tel: 81-45-471- 6166 Fax: 81-45-471-6122

Korea - Daegu

Tel: 82-53-744-4301 Fax: 82-53-744-4302

Korea - Seoul

Tel: 82-2-554-7200 Fax: 82-2-558-5932 or 82-2-558-5934

Malaysia - Kuala Lumpur

Tel: 60-3-6201-9857 Fax: 60-3-6201-9859

Malaysia - Penang

Tel: 60-4-227-8870 Fax: 60-4-227-4068

Philippines - Manila

Tel: 63-2-634-9065 Fax: 63-2-634-9069

Singapore

Tel: 65-6334-8870 Fax: 65-6334-8850

Taiwan - Hsin Chu

Tel: 886-3-572-9526 Fax: 886-3-572-6459

Taiwan - Kaohsiung

Tel: 886-7-536-4818 Fax: 886-7-536-4803

Taiwan - Taipei

Tel: 886-2-2500-6610 Fax: 886-2-2508-0102

Thailand - Bangkok

Tel: 66-2-694-1351 Fax: 66-2-694-1350

EUROPE

Austria - Wels

Tel: 43-7242-2244-39 Fax: 43-7242-2244-393

Denmark - Copenhagen

Tel: 45-4450-2828 Fax: 45-4485-2829

France - Paris

Tel: 33-1-69-53-63-20 Fax: 33-1-69-30-90-79

Germany - Munich

Tel: 49-89-627-144-0 Fax: 49-89-627-144-44

Italy - Milan

Tel: 39-0331-742611 Fax: 39-0331-466781

Netherlands - Drunen

Tel: 31-416-690399 Fax: 31-416-690340

Spain - Madrid

Tel: 34-91-708-08-90 Fax: 34-91-708-08-91

UK - Wokingham

Tel: 44-118-921-5869 Fax: 44-118-921-5820

01/02/08

Microchip Technology SOT223-3 Voltage Regulator Evaluation Board User guide

Preface

INTRODUCTION

DOCUMENT LAYOUT

CONVENTIONS USED IN THIS GUIDE

RECOMMENDED READING

THE MICROCHIP WEB SITE

CUSTOMER SUPPORT

DOCUMENT REVISION HISTORY

Chapter 1. Product Overview

1.1 INTRODUCTION

1.2 WHAT IS THE SOT223-3 VOLTAGE REGULATOR EVALUATION BOARD?

1.3 WHAT THE SOT223-3 VOLTAGE REGULATOR EVALUATION BOARD KIT INCLUDES?

Chapter 2. Installation and Operation

2.1 INTRODUCTION

2.2 FEATURES

2.3 GETTING STARTED

Appendix A. Schematic and Layouts

A.1 INTRODUCTION

A.2 BOARD - SCHEMATIC

A.3 BOARD - TOP COPPER LAYOUT

A.4 BOARD - BOTTOM COPPER LAYOUT

A.5 BOARD - TOP SILK LAYOUT

Appendix B. Bill of Materials (BOM)

WORLDWIDE SALES AND SERVICE