SOT89-3EV-VREG Microchip Technology, SOT89-3EV-VREG Datasheet

Page 1

... Microchip Technology Inc. SOT89-3 Voltage Regulator Evaluation Board User’s Guide DS51796A ...

Page 2

... 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. ...

Page 3

... Customer Support ................................................................................................. 3 Document Revision History ................................................................................... 3 Chapter 1. Product Overview 1.1 Introduction ..................................................................................................... 5 1.2 What is the SOT89-3 Voltage Regulator Evaluation Board? .......................... 5 1.3 What the SOT89-3 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 .................................................................................................. 11 A.2 Board – ...

Page 4

... SOT89-3 Voltage Regulator Evaluation Board User’s Guide NOTES: DS51796A-page iv © 2009 Microchip Technology Inc. ...

Page 5

... Select the Help menu, and then Topics to open a list of available on-line help files. INTRODUCTION This chapter contains general information that will be useful to know before using the SOT89-3 Voltage Regulator Evaluation Board. Items discussed in this chapter include: • Document Layout • Conventions Used in this Guide • ...

Page 6

... SOT89-3 Voltage Regulator Evaluation Board User’s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Arial font: Italic characters Initial caps Quotes Underlined, italic text with right angle bracket Bold characters N‘Rnnnn Text in angle brackets < > ...

Page 7

... RECOMMENDED READING This user's guide describes how to use SOT89-3 Voltage Regulator Evaluation Board. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources. MCP1700A Datasheet, “Low Quiescent Current LDO”, DS22069 MCP1701A Datasheet, “2 μA Low-Dropout Positive Voltage Regulator”, DS21991 MCP1702 Datasheet, “ ...

Page 8

... SOT89-3 Voltage Regulator Evaluation Board User’s Guide NOTES: DS51796A-page 4 © 2009 Microchip Technology Inc. ...

Page 9

... By soldering the desired device to the evaluation board, the user can easily validate several parameters of the device. 1.2.1 Functional Blocks The SOT89-3 Voltage Regulator Evaluation Board can be broken up into 3 functional blocks. The blocks are: • Input Capacitance • Ground Current Measurement • ...

Page 10

... This SOT89-3 Voltage Regulator Evaluation Board kit includes: • SOT89-3 Voltage Regulator Evaluation Board, 102-00213, (Qty 2) • Microchip Analog and Interface Products Demonstration Boards CD-ROM Includes: (DS21912) - SOT89-3 Voltage Regulator Evaluation Board User’s Guide, DS51796 DS51796A-page 6 © 2009 Microchip Technology Inc. ...

Page 11

... The SOT89-3 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 SOT89-3 Voltage Regulator Evaluation Board shall now be described. 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 ...

Page 12

... SOT89-3 Voltage Regulator Evaluation Board User’s Guide 2.3.2 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. ...

Page 13

... 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 SOT89-3 Voltage Regulator Evaluation Board. The PSRR analyzer may then sweep the input voltage frequencies and record the corresponding output voltages. ...

Page 14

... SOT89-3 Voltage Regulator Evaluation Board User’s Guide NOTES: DS51796A-page 10 © 2009 Microchip Technology Inc. ...

Page 15

... EVALUATION BOARD USER’S GUIDE Appendix A. Schematic and Layouts A.1 INTRODUCTION This appendix contains the following schematic and layouts for the SOT89-3 Voltage Regulator Evaluation Board: • Board - Schematic • Board - Top Silk-Screen • Board - Top Layer • Board - Bottom Layer © ...

Page 16

... SOT89-3 Voltage Regulator Evaluation Board User’s Guide A.2 BOARD – SCHEMATIC DS51796A-page 12 © 2009 Microchip Technology Inc. ...

Page 17

... A.3 BOARD – TOP SILK-SCREEN © 2009 Microchip Technology Inc. Schematic and Layouts DS51796A-page 13 ...

Page 18

... SOT89-3 Voltage Regulator Evaluation Board User’s Guide A.4 BOARD – TOP LAYER DS51796A-page 14 © 2009 Microchip Technology Inc. ...

Page 19

... A.5 BOARD – BOTTOM LAYER © 2009 Microchip Technology Inc. Schematic and Layouts DS51796A-page 15 ...

Page 20

... SOT89-3 Voltage Regulator Evaluation Board User’s Guide NOTES: DS51796A-page 16 © 2009 Microchip Technology Inc. ...

Page 21

... On Each Corner Bumpon Hemisphere, 0.44 x 0.20, Black socket, 0.100 centers, 0.025 sq pins, 0.070 pcb to pin center height 1 PCB RoHS Compliant Bare PCB, SOT89-3 Voltage Regulator Evaluation Board (250 boards, 4week delivery NOT POPULATE 10 TP1, TP2, TP3, SMT Testpoint TP4, TP6, TP7, ...

Page 22

... 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 © 2009 Microchip Technology Inc. 02/04/09 ...