Microchip Technology SOT23-5 Voltage Regulator Evaluation Board User guide

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SOT23-5

Voltage Regulator

Evaluation Board

User’s Guide

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code hopping

SOT23-5 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 SOT23-5 Voltage Regulator Evaluation Board? .......................... 5

1.3 What the SOT23-5 Voltage Regulator Evaluation Board kit includes? .......... 7

Chapter 2. Installation and Operation

2.1 ntroduction ...................................................................................................... 9

2.2 Features ......................................................................................................... 9

2.3 Getting Started ............................................................................................. 10

Appendix A. Schematic and Layouts

A.1 Introduction .................................................................................................. 13

A.2 Board - Schematic ....................................................................................... 14

A.3 Board - Top Silk and Pads ........................................................................... 15

A.4 Board - Top Copper ..................................................................................... 16

A.5 Board - Bottom Copper ................................................................................ 17

Appendix B. Bill of Materials (BOM)

Worldwide Sales and Service .................................................................................... 20

SOT23-5 Voltage Regulator Evaluation Board User’s Guide

NOTES:

SOT23-5 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 SOT23-5 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 SOT23-5 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 SOT23-5

Voltage Regulator Evaluation Board.

• Chapter 2. “Installation and Operation” – This chapter includes a detailed

description of each function of the demo board and instructions for how to begin using the board.

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

diagrams for the SOT23-5 Voltage Regulator Evaluation Board.

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

SOT23-5 Voltage Regulator Evaluation Board.

SOT23-5 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)

{ ... }

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 (April 2009)

• Initial Release of this Document.

SOT23-5 Voltage Regulator Evaluation Board User’s Guide

NOTES:

Chapter 1. Product Overview

1.1 INTRODUCTION

The SOT23-5 Voltage Regulator Evaluation Board is designed to provide functional evaluation of Microchip Voltage Regulators that utilize the SOT23-5 package and the following device pinouts:

PIN Number U1 Pad Function U2 Pad Function

The SOT23-5 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 SOT23-5 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.

SOT23-5 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

1 SHDN 2V 3 GND SHDN 4V 5 PWRGD / ADJ V

OUT

GND

PWRGD / ADJ

OUT

1.2 WHAT IS THE SOT23-5 VOLTAGE REGULATOR EVALUATION BOARD?

The SOT23-5 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 SOT23-5 Voltage Regulator Evaluation Board can be broken up into six functional blocks. These blocks are:

• Input Capacitance

• Shutdown Control

• Ground Current Measurement

• Voltage Adjust

• Power Good

• Load Resistor

SOT23-5 Voltage Regulator Evaluation Board User’s Guide

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 Shutdown Control

Jumper JP2 allows the user to select the Shutdown (SHDN) pin voltage level. The voltage level may be set to V jumper. When the jumper is not connecting pins 1 and 2 or pins 2 and 3 of JP2, the voltage level may be set by attaching a signal to TP5. This allows the user to enable, disable or pulse the shutdown pin of the device.

The board comes with R1 populated with a 10 kΩ resistor.

1.2.4 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.

1.2.5 Voltage Adjust

For Adjustable Output Voltage devices, R2 and R3 may be populated with appropriate values to provide the desired output voltage.

The board comes with R2 populated with a 69.8 kΩ resistor.

, GND or open, depending on the placement of the JP2

1.2.6 Power Good (PWRGD)

For devices with a Power Good (PWRGD) output, either R2 or R4 is populated depending on the desired pull-up source voltage.

R2 selects V R4 selects V The board comes with R2 populated with a 69.8 kΩ resistor.

as the pull-up source voltage.

OUT

as the pull-up source voltage.

1.2.7 Load Resistor

R5 may be populated with the desired load resistor values for the device being evaluated. Jumper JP4 connects R5 to the device output.

1.2.8 Output Capacitor

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

1.2.9 Bypass Capacitor

C3 may be populated with the desired bypass capacitance.

1.2.10 Power Supply

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

Product Overview

1.3 WHAT THE SOT23-5 VOLTAGE REGULATOR EVALUATION BOARD KIT INCLUDES?

This SOT23-5 Voltage Regulator Evaluation Board kit includes:

• One SOT23-5 Voltage Regulator Evaluation Board -102-00201

• Important Information "Read First"

SOT23-5 Voltage Regulator Evaluation Board User’s Guide

NOTES:

Chapter 2. Installation and Operation

2.1 INTRODUCTION

The SOT23-5 Voltage Regulator Evaluation Board is designed to be used to facilitate the evaluation of Microchip’s voltage regulators, or to be used as a standalone voltage regulator board. Jumpers have been placed on the board to facilitate testing of specific voltage regulator parameters. The jumpers may also be used to select pull-up and pulldown voltage levels.

The SOT23-5 Voltage Regulator Evaluation Board kit comes with a 1 uF ceramic input and output capacitor soldered to the board. A 10K resistor in series with the SHDN is also populated on the board. The PWRGD/ADJ pin has a 69.8 kΩ resistor soldered to the board. The board has three more unpopulated resistor locations that may be used for loads and voltage adjustments. The board also has an unpopulated location that may be used for bypass capacitance.

2.2 FEATURES

The SOT23-5 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 load resistor

• Jumper to select shutdown pin input: V

• Jumper to connect input capacitor to circuit

• SMT0805 PCB footprints for user Power Good pull-up resistor

• SMT0805 PCB footprints for user Adjustable Voltage resistor divider

• SMT0805 PCB footprints for user Bypass Capacitor

SOT23-5 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

, GND, or use testpoint

SOT23-5 Voltage Regulator Evaluation Board User’s Guide

2.3 GETTING STARTED

The SOT23-5 Voltage Regulator Evaluation Board is fully assembled and tested. All that is required for operating is a user supplied voltage regulator and a supply voltage source. Some of the tests that may be completed using the SOT23-5 Voltage Regulator Evaluation Board shall now be described.

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 resistor to R5.

2. Remove jumpers JP3 and JP4.

3. Connect an ammeter across testpoints TP6(+) and TP7(-). Select the appropriate meter scale for the evaluated device.

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

5. Add jumper JP1.

6. Add jumper JP2 to pins 1 and 2.

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

8. Verify the voltage across testpoints TP9 and TP10 is within the expected range of the device being tested.

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

10. Vary the input voltage to obtain data for ground current versus input voltage. With no load attached to the output of the voltage regulator, the measured ground current is also called the quiescent current of the regulator.

11. Add the load selection jumper, JP4.

12. Read the Ground Current directly from the ampere meter connected to testpoints TP6 and TP7.

13. The data collected will be the ground current versus load current.

2.3.2 Adjustable Output Voltage (ADJ)

The output voltage of some adjustable voltage regulators may be adjusted by selecting appropriate resistor divider values connected to the Adjust (ADJ) pin. R2 and R3 pads are available to be used as the voltage divider.

2.3.3 Shutdown input selection (SHDN)

The Shutdown (SHDN) input selection may be set to VIN, GND, or a user supplied voltage using testpoint TP5. To select V pins JP2-1 and JP2-2. To select GND as the SHDN JP-2 and JP-3. To select a user specified input such as a function generator, remove the jumper from JP2 and connect the external voltage source positive lead (+) to testpoint TP5 and the negative lead (-) to testpoint TP4.

as the SHDN voltage, place a jumper across

voltage, place a jumper across pins

Installation and Operation

2.3.4 Power Good (PWRGD)

The Power Good (PWRGD) output pin has the ability to be pulled up to either SHDN or V PWRGD to be pulled up to V pull-up resistor causes PWRGD to be pulled up to V

When PWRGD is pulled up to V active. When PWRGD is pulled up to V SHDN When low operating currents are critical, PWRGD should be pulled up to V will keep current consumption at a minimum when SHDN voltage will be low.

2.3.5 Load Resistance

R5 is used to set the desired load value. Jumper JP4 is used to connect or disconnect the load resistance to the output.

2.3.6 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. The input voltage is then electronically switched from a low voltage to a high voltage. 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

. Populating R2 (and removing R4) with the desired pull-up resistor causes

OUT

. Populating R4 (and removing R2) with the desired

OUT

, the device current will be minimal when SHDN is

OUT

, the device current will be higher when when

is active because the current will flow threw R4 and the PWRGD pin to ground.

. That

OUT

is active because the output

2.3.7 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) and 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 will have several selectable load values populated onboard to cover a wide range of loads. The load will have the ability to be electronically or manually switched.

2.3.8 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 SOT23-5 Voltage Regulator Evaluation Board. The PSRR analyzer may then sweep the input voltage frequencies and record the corresponding output voltages.

SOT23-5 Voltage Regulator Evaluation Board User’s Guide

NOTES:

Appendix A. Schematic and Layouts

A.1 INTRODUCTION

This appendix contains the following schematics and layouts for the SOT23-5 Voltage Regulator Evaluation Board:

• Board - Schematic

• Board - Top Silk and Pads

• Board - Top Copper

• Board - Bottom Copper

SOT23-5 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

Date

REV Revision Notes

Adj

Bypass

Vout

Input Voltage

( 0V to 50V)

Pwrgd/Error

Initial Release

Gnd

3.3V OUT

Output Voltage

( 0V to 6.0V )

18-FEB-2008

SOT23-5 Voltage Regulator Evaluation Board User’s Guide

A.2 BOARD - SCHEMATIC

A.3 BOARD - TOP SILK AND PADS

Schematic and Layouts

SOT23-5 Voltage Regulator Evaluation Board User’s Guide

A.4 BOARD - TOP COPPER

A.5 BOARD - BOTTOM COPPER

Schematic and Layouts

SOT23-5 Voltage Regulator Evaluation Board User’s Guide

NOTES:

SOT23-5 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 uF 50V X7R 0805 Murata Electronics 1 C2 CAP CERAMIC 1.0 uF 16V X7R 0805 Kemet® Electronics

Corp 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)

3 JP1, JP3,

JP4

1 JP2 3 pin header, 0.100 centers, 0.025 sq pins,

4 JP1-JP4 Connector, Jumper Shorting, Tin Sullins STC02SYAN 4On Each

Corner

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

1 PCB RoHS Compliant Bare PCB, SOT23-5

1 R1 10K Res, Smt 0805, 1%, 1/8W Rohm MCR10EZHF1002 1 R2 69.8K Res, Smt 0805, 1%, 1/8W Rohm MCR10EZHF6982 3 R3, R4, R5DO NOT POPULATE — —

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)

0.070 pcb to pin center height, 36 pins to a strip (yields 12 headers)

Bumpon Hemisphere, 0.44 x 0.20, Black 3M SJ-5003 (BLACK)

0.070 pcb to pin center height

Voltage Regulator Evaluation Board(250 boards, 4wk delivery)

3M 929835-01-36-RK

Molex

Electronics 22-28-4360

Molex Electronics 22-28-4360

Sullins PPPC021LGBN-RC

Advanced Circuits 104-000201

GRM21BR71H105KA12L C0805C105K4RACTU

10 TP1-TP10 SMT Testpoint Keystone

Electronics 2 U1, U2 DO NOT POPULATE — —

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.

5016

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

Cleveland

Independence, OH Tel: 216-447-0464 Fax: 216-447-0643

Dallas

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

Detroit

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

Kokomo

Kokomo, IN Tel: 765-864-8360 Fax: 765-864-8387

Los Angeles

Mission Viejo, CA Tel: 949-462-9523 Fax: 949-462-9608

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: 91-80-3090-4444 Fax: 91-80-3090-4080

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: 886-3-6578-300 Fax: 886-3-6578-370

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

03/26/09

Microchip Technology SOT23-5 Voltage Regulator Evaluation Board User guide

Specifications and Main Features

Frequently Asked Questions

User Manual

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 SOT23-5 VOLTAGE REGULATOR EVALUATION BOARD?

1.3 WHAT THE SOT23-5 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 SILK AND PADS

A.4 BOARD - TOP COPPER

A.5 BOARD - BOTTOM COPPER

Appendix B. Bill of Materials (BOM)

WORLDWIDE SALES AND SERVICE