Microchip Technology SOT23-3 Скачать руководство пользователя страница 11

SOT23-3 VOLTAGE REGULATOR

EVALUATION BOARD USER’S GUIDE

©

 2008 Microchip Technology Inc.

DS51785A-page 7

Chapter 2.  Installation and Operation

2.1

INTRODUCTION

The SOT23-3 Voltage Regulator Evaluation Board is designed to be used to facilitate 
the 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 SOT23-3 Voltage Regulator Evaluation Board kit comes with a 1

μ

F 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 SOT23-3 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 connect output load resistor
• Jumper to connect input capacitor to circuit
• Jumper to select one of two device pinouts

2.3

GETTING STARTED

The SOT23-3 Voltage Regulator Evaluation Board is fully assembled and tested. All 
that is required for operating is a voltage regulator supplied by the user, and a supply 
voltage source. Some of the tests that may be completed using the SOT23-3 Voltage 
Regulator Evaluation Board are described in the next subchapters.

2.3.1

Device Pinout Selection (For All Tests)

For all tests, JP2 and JP5 must be set to select the desired device and footprint.

Jumpers

U1 Footprint

U2 Footprint

JP2 - connect pins

2-3

1-2

JP5 - connect pins

2-3

1-2

Содержание SOT23-3

Страница 1: ...2008 Microchip Technology Inc DS51785A SOT23 3 Voltage Regulator Evaluation Board User s Guide...

Страница 2: ...hnology Incorporated in the U S A All other trademarks mentioned herein are property of their respective companies 2008 Microchip Technology Incorporated Printed in the U S A All Rights Reserved Print...

Страница 3: ...Chapter 1 Product Overview 1 1 Introduction 5 1 2 What is the SOT23 3 Voltage Regulator Evaluation Board 5 1 3 What the SOT23 3 Voltage Regulator Evaluation Board kit includes 6 Chapter 2 Installation...

Страница 4: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page iv 2008 Microchip Technology Inc NOTES...

Страница 5: ...ription of the evaluation board operation Appendix A Schematic and Layouts Shows the schematic and layout diagrams for the SOT23 3 Voltage Regulator Evaluation Board Appendix B Bill of Materials BOM L...

Страница 6: ...Save Bold characters A dialog button Click OK A tab Click the Power tab N Rnnnn A number in verilog format where N is the total number of digits R is the radix and n is a digit 4 b0010 2 hF1 Text in a...

Страница 7: ...owing 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 softw...

Страница 8: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 4 2008 Microchip Technology Inc NOTES...

Страница 9: ...currently consist of an Input Voltage Linestep Board Output Voltage Loadstep Board and several other device packages 1 2 WHAT IS THE SOT23 3 VOLTAGE REGULATOR EVALUATION BOARD The SOT23 3 Voltage Regu...

Страница 10: ...1 2 6 Power Supply J1 or TP1 and TP2 are connected to the user s power supply 1 2 7 Device Selection JP2 and JP5 select either device U1 or device U2 Placing the jumper on pins 1 2 of JP2 and JP5 sele...

Страница 11: ...on 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 g...

Страница 12: ...alue One choice is to set R5 to the minimum current wanted for testing 2 3 4 Line Step Dynamic Line Step response may be evaluated by connecting an electronically switched input voltage to testpoints...

Страница 13: ...atio PSRR Power Supply Rejection Ratio tests are performed by removing the input capacitor jumper JP1 and connecting an appropriate PSRR analyzer to the SOT23 3 Voltage Regulator Evaluation Board The...

Страница 14: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 10 2008 Microchip Technology Inc NOTES...

Страница 15: ...Technology Inc DS51785A page 11 Appendix A Schematic and Layouts A 1 INTRODUCTION This appendix contains the following schematis and layouts for the SOT23 3 Voltage Regulator Evaluation Board Board S...

Страница 16: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 12 2008 Microchip Technology Inc A 2 BOARD SCHEMATIC Date REV Revision Notes 1 Initial Release 18 FEB 2008...

Страница 17: ...Schematic and Layouts 2008 Microchip Technology Inc DS51785A page 13 A 3 BOARD TOP SILK AND PADS...

Страница 18: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 14 2008 Microchip Technology Inc A 4 BOARD TOP COPPER...

Страница 19: ...Schematic and Layouts 2008 Microchip Technology Inc DS51785A page 15 A 5 BOARD BOTTOM COPPER...

Страница 20: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 16 2008 Microchip Technology Inc NOTES...

Страница 21: ...eaders Molex Electronics 22 28 4360 2 JP2 JP5 3 pin header 0 100 centers 0 025 sq pins 0 070 pcb to pin center height 36 pins to a strip yields 12 headers Molex Electronics 22 28 4360 5 JP1 JP2 JP3 JP...

Страница 22: ...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 7...

Страница 23: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Microchip SOT23 3EV VREG...

Отзывы: