Microchip Technology DN2470, Руководство пользователя

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DN2470 BASED LINEAR REGULATOR
INPUT VOLTAGE RANGE EXTENDER
EVALUATION BOARD USER’S GUIDE
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2016 Microchip Technology Inc. DS50002464A-page 5
Table of Contents
Preface ........................................................................................................................... 6
Introduction............................................................................................................ 6
Document Layout .................................................................................................. 6
Conventions Used in this Guide ............................................................................ 7
Recommended Reading........................................................................................ 8
The Microchip Web Site ........................................................................................ 8
Customer Support ................................................................................................. 8
Document Revision History ................................................................................... 8
Chapter 1. Product Overview
1.1 Introduction ..................................................................................................... 9
1.2 DN2470 Device Overview .............................................................................. 9
1.3 What is the DN2470 Based Linear Regulator Input Voltage
Range Extender Evaluation Board? ......................................................... 9
1.4 What the DN2470 Based Linear Regulator Input Voltage
Range Extender Evaluation Board Kit Contains ..................................... 10
Chapter 2. Installation and Operation
2.1 Getting Started ............................................................................................. 11
2.2 Setup and Operation Procedure ................................................................... 11
Appendix A. Schematic and Layouts
A.1 Introduction .................................................................................................. 13
A.2 Board – Schematic ....................................................................................... 14
A.3 Board – Top Silk .......................................................................................... 15
A.4 Board – Top Copper and Silk ....................................................................... 16
A.5 Board – Top Copper .................................................................................... 17
A.6 Board – Bottom Copper ............................................................................... 18
Appendix B. Bill of Materials (BOM)........................................................................... 19
Appendix C. DN2470 Characterization Plots
C.1 Heat Sink ..................................................................................................... 21
C.2 Pad Temperature ......................................................................................... 21
C.3 Overtemperature Protection Using PTC ...................................................... 22
Worldwide Sales and Service .................................................................................... 24