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Preface

 2018 Microchip Technology Inc.

 

DS50002796A-page 6

RECOMMENDED READING

This user’s guide describes how to use the MIC38300 Evaluation Board. Another 
useful document is listed below. The following Microchip document is available and 
recommended as a supplemental reference resource:

MIC38300 Data Sheet – 

“HELDO

®

 3A High-Efficiency Low Dropout 

Regulator”

THE MICROCHIP WEBSITE

Microchip provides online support via our website at 

www.microchip.com

. This website 

is used as a means to make files and information easily available to customers. Acces-
sible by using your favorite Internet browser, the website contains the following infor-
mation:

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

PRODUCT CHANGE NOTIFICATION SERVICE 

Microchip’s customer notification service helps keep customers current on Microchip 
products. Subscribers will receive e-mail notifications whenever there are changes, 
updates, revisions or errata related to a specified product family or development tool of 
interest.
To register, access the Microchip website at 

www.microchip.com

, click on 

Product 

Change Notification

 and follow the registration instructions.

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 website at: 

http://www.microchip.com/support

.

DOCUMENT REVISION HISTORY

Revision A (August 2018)

• Initial release of this document

Summary of Contents for MIC38300

Page 1: ...2018 Microchip Technology Inc DS50002796A MIC38300 Evaluation Board User s Guide...

Page 2: ...p received ISO TS 16949 2009 certification for its worldwide headquarters design and wafer fabrication facilities in Chandler and Tempe Arizona Gresham Oregon and design centers in California and Indi...

Page 3: ...MIC38300 Evaluation Board kit include 8 Chapter 2 Installation and Operation 2 1 Introduction 9 2 1 1 MIC38300 Device Features 9 2 1 2 MIC38300 Evaluation Board Features 9 2 2 Getting Started 9 2 2 1...

Page 4: ...tion Board Appendix A Schematic and Layouts Shows the schematic and layout diagrams for the MIC38300 Evaluation Board Appendix B Bill of Materials BOM Lists the parts used to build the MIC38300 Evalua...

Page 5: ...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 angle brackets A key on...

Page 6: ...elector and ordering guides latest Microchip press releases listing of seminars and events listings of Microchip sales offices distributors and factory representatives PRODUCT CHANGE NOTIFICATION SERV...

Page 7: ...able with 2 2A output current in continuous operation 3A peak operation for the MIC38300 device or with an output current of 1 5A for the MIC38150 The MIC38300 fully integrates a switcher the coil swi...

Page 8: ...ut supply voltage range of 3V up to 5 5V and has an adjustable output which is set to 1 8V The MIC38300 Evaluation Board comes with test points allowing easy integration into a test set up 1 4 WHAT DO...

Page 9: ...on Board is fully assembled and tested to evaluate and demonstrate the characteristics of the MIC38300 or the MIC38150 devices 2 2 1 Powering the MIC38300 Evaluation Board Apply the positive input vol...

Page 10: ...tage VR should be 1 8V 3 Connect an electronic load between VOUT and GND set to maximum load current of 2 2A for the MIC38300 device Resistors can also be used between the VOUT and GND terminals as a...

Page 11: ...c and Layouts A 1 INTRODUCTION This appendix contains the following schematics and layouts for the MIC38300 Evaluation Board Board Schematic Board Top Silk Board Top Copper and Silk Board Top Copper B...

Page 12: ...PVIN 17 EN 18 PGND 19 PGND 20 PGND 21 SWO SWO SWO SWO SWO SW SW SW SW SW SW SW ePAD ePAD AVIN LPF AGND FB LDOOUT LDOOUT LDOIN LDOIN PVIN PVIN EN PGND PGND PGND MIC38300 U1 AGND PGND LDO_IN LDO_IN J1 J...

Page 13: ...2018 Microchip Technology Inc DS50002796A page 13 A 3 BOARD TOP SILK A 4 BOARD TOP COPPER AND SILK...

Page 14: ...2018 Microchip Technology Inc DS50002796A page 14 A 5 BOARD TOP COPPER A 6 BOARD SIGNAL LAYER 1...

Page 15: ...2018 Microchip Technology Inc DS50002796A page 15 A 7 BOARD SIGNAL LAYER 2 A 8 BOARD BOTTOM COPPER...

Page 16: ...2018 Microchip Technology Inc DS50002796A page 16 A 9 BOARD BOTTOM COPPER AND SILK A 10 BOARD BOTTOM SILK...

Page 17: ...3 Connector HDR 2 54 Male 1x2 Tin 6 75 MH TH VERT Molex 0901200122 1 LABEL2 LABEL ASSY W REV LEVEL SMALL MODULES PER MTS 0002 4 PAD1 PAD2 PAD3 PAD4 Mechanical HW Rubber Pad Cylindrical D7 9 H5 3 Black...

Page 18: ...00 China Xian Tel 86 29 8833 7252 China Xiamen Tel 86 592 2388138 China Zhuhai Tel 86 756 3210040 ASIA PACIFIC India Bangalore Tel 91 80 3090 4444 India New Delhi Tel 91 11 4160 8631 India Pune Tel 91...

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