DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide 2016 Microchip Technology Inc. DS50002464A Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. • Microchip is willing to work with the customer who is concerned about the integrity of their code. • Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.” Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights unless otherwise stated. Trademarks The Microchip name and logo, the Microchip logo, AnyRate, dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KEELOQ, KEELOQ logo, Kleer, LANCheck, LINK MD, MediaLB, MOST, MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC32 logo, RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. ClockWorks, The Embedded Control Solutions Company, ETHERSYNCH, Hyper Speed Control, HyperLight Load, IntelliMOS, mTouch, Precision Edge, and QUIET-WIRE are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM, ECAN, EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, JitterBlocker, KleerNet, KleerNet logo, MiWi, motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PureSilicon, RightTouch logo, REAL ICE, Ripple Blocker, Serial Quad I/O, SQI, SuperSwitcher, SuperSwitcher II, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, 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. Microchip 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 India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV == ISO/TS 16949 == DS50002464A-page 2 Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. GestIC is a registered trademarks of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. © 2016, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. ISBN: 978-1-5224-0358-6 2016 Microchip Technology Inc. Object of Declaration: DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board 2016 Microchip Technology Inc. DS50002464A-page 3 NOTES: DS50002464A-page 4 2016 Microchip Technology Inc. DN2470 BASED LINEAR REGULATOR INPUT VOLTAGE RANGE EXTENDER EVALUATION BOARD USER’S GUIDE 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 2016 Microchip Technology Inc. DS50002464A-page 5 DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide NOTES: DS50002464A-page 6 2016 Microchip Technology Inc. DN2470 BASED LINEAR REGULATOR INPUT VOLTAGE RANGE EXTENDER 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 “DSXXXXXXXXA”, where “XXXXXXXX” 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® IDE online help. Select the Help menu, and then Topics to open a list of available online help files. INTRODUCTION This chapter contains general information that will be useful to know before using the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide. 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 DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide as a development tool. • Chapter 1. “Product Overview” – Important information about the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide. • Chapter 2. “Installation and Operation” – This chapter includes a detailed description of each function of the demonstration board and instructions on how to use the board. • Appendix A. “Schematic and Layouts” – Shows the schematic and layout diagrams for the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide. • Appendix B. “Bill of Materials (BOM)” – Lists the parts used to build the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide. • Appendix C. “DN2470 Characterization Plots” – Describes the various plots and waveforms for the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide. 2016 Microchip Technology Inc. DS50002464A-page 7 DN2470 Based Linear Regulator Input Voltage Range Extender 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 < > Courier New font: Plain Courier New Represents Referenced books Emphasized text A window A dialog A menu selection A field name in a window or dialog A menu path MPLAB® IDE User’s Guide ...is the only compiler... the Output window the Settings dialog select Enable Programmer “Save project before build” A dialog button A tab A number in verilog format, where N is the total number of digits, R is the radix and n is a digit. A key on the keyboard Click OK Click the Power tab 4‘b0010, 2‘hF1 Italic Courier New Sample source code Filenames File paths Keywords Command-line options Bit values Constants A variable argument Square brackets [ ] Optional arguments Curly brackets and pipe character: { | } Ellipses... Choice of mutually exclusive arguments; an OR selection Replaces repeated text Represents code supplied by user DS50002464A-page 8 Examples File>Save Press <Enter>, <F1> #define START autoexec.bat c:\mcc18\h _asm, _endasm, static -Opa+, -Opa0, 1 0xFF, ‘A’ file.o, where file can be any valid filename mcc18 [options] file [options] errorlevel {0|1} var_name [, var_name...] void main (void) { ... } 2016 Microchip Technology Inc. Preface RECOMMENDED READING This user’s guide describes how to use the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources. DN2470 Data Sheet – “N-Channel, Depletion-Mode, Vertical DMOS FET” (DS20005410) MCP1754 Data Sheet – “150 mA,16V, High-Performance LDO” (DS20002276) MCP1755 Data Sheet – “300 mA,16V, High-Performance LDO” (DS25160) MCP1790 Data Sheet – “70 mA, High Voltage Regulator” (DS20002075) 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 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://www.microchip.com/support DOCUMENT REVISION HISTORY Revision A (March 2016) • Initial release of this document. 2016 Microchip Technology Inc. DS50002464A-page 9 DN2470 BASED LINEAR REGULATOR INPUT VOLTAGE RANGE EXTENDER EVALUATION BOARD USER’S GUIDE Chapter 1. Product Overview 1.1 INTRODUCTION This chapter provides an overview of the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board and covers the following topics: • DN2470 Device Overview • What is the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board? • What the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board Kit Contains 1.2 DN2470 DEVICE OVERVIEW The DN2470 is a low-threshold depletion-mode (normally-on) vertical FET. Vertical DMOS FETs are suited for a wide range of switching and amplifying applications where high breakdown voltage, high input impedance, low input capacitance and fast switching speeds are required. The DN2470 has a 700V voltage breakdown with a 42 ohms drain-to-source On-state resistance and 500 mA saturated drain-to-source current when operating over typical conditions. The device is packaged in a TO-252 (D-PAK) and it is designed to operate in a temperature range of -55°C to +150°C (refer to the DN2470 data sheet for more information). 1.3 WHAT IS THE DN2470 BASED LINEAR REGULATOR INPUT VOLTAGE RANGE EXTENDER EVALUATION BOARD? The DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board presents the universal off-line linear regulation using the 700V depletion-mode FET DN2470. The board features off-line regulation using three different selectable LDOs: MCP1754, MCP1755 and MCP1790, offered in various package options. The evaluation board operates with 50 Hz 230 VAC or 60 Hz 120 VAC AC lines and sources 10 mA typical output current (LDO’s output current). 2016 Microchip Technology Inc. DS50002464A-page 10 Product Overview Figure 1-1 presents the evaluation board block diagram. DN2470 ȍ 2W AC MOV 387V 4.5 KA 1 uF 450 V PTC 100 Nȍ 7.5V LDOs 1 uF FIGURE 1-1: 1.3.1 • • • • • • • 1.4 1 uF RL DN2470 Evaluation Board Block Diagram. Evaluation Board Features 120 and 230 VAC Off-line Regulation Typical Output Current of 10 mA Maximum Output Current Thermally Limited Transient Survivability of 2.5 kV Overtemperature Protection; Typically +105°C Output Voltage Range of 3-5V Three Different Selectable LDOs: - MCP1754 (3.3V) - MCP1755 (5.0V) - MCP1790 (3.0V) WHAT THE DN2470 BASED LINEAR REGULATOR INPUT VOLTAGE RANGE EXTENDER EVALUATION BOARD KIT CONTAINS The DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board kit includes: • DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide (ADM00682) • Important Information Sheet 2016 Microchip Technology Inc. DS50002464A-page 11 DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide NOTES: DS50002464A-page 12 2016 Microchip Technology Inc. DN2470 BASED LINEAR REGULATOR INPUT VOLTAGE RANGE EXTENDER EVALUATION BOARD USER’S GUIDE Chapter 2. Installation and Operation 2.1 GETTING STARTED The DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board is fully assembled and tested. 2.1.1 Tools Required for Operation The tools required for operation include: • AC Line connection or DC power supply • An oscilloscope and/or a multimeter to observe the waveforms and measure electrical parameters 2.2 SETUP AND OPERATION PROCEDURE To prepare the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board for operation, the steps below must be followed carefully. WARNING Before beginning board setup, fully read this document, the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide. CAUTION Hazardous voltages are present when connected to AC Lines. 1. Select an LDO by placing a jumper on J3 connector. If VIN1 or VIN2 are selected, SHDN must be shorted to VIN (J5 or J7). 2. Connect a Load if needed at VOUT. 3. Connect the AC Line (120 or 230 VAC) or DC power supply to J1. Note: Do not touch exposed areas when operating the board. Avoid touching the heat sink, the drain-exposed pad or the input resistor. Selecting Different LDO To select a different LDO, the AC Line or DC power supply has to be removed first. 2016 Microchip Technology Inc. DS50002464A-page 13 DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide LDO Selection AC FIGURE 2-1: DS50002464A-page 14 DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board. 2016 Microchip Technology Inc. DN2470 BASED LINEAR REGULATOR INPUT VOLTAGE RANGE EXTENDER EVALUATION BOARD USER’S GUIDE Appendix A. Schematic and Layouts A.1 INTRODUCTION This appendix contains the following schematics and layouts for of the DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board: • • • • • Board – Schematic Board – Top Silk Board – Top Copper and Silk Board – Top Copper Board – Bottom Copper 2016 Microchip Technology Inc. DS50002464A-page 15 BOARD – SCHEMATIC H1 AC IN J1 1 2 R1 U1 Rectifier HS1 Heat Sink Q1 DN2470 C1 1uF 450V 68 ohms 2W U5 CONN-Terminal 1x2 Thermistor-100 PTC GND R2 100k 0805 5% J5 C4 1uF 16V 0805 SHDN 1 2 GND GND MCP1754 VOUT2 8 1 VIN VOUT 7 2 NC PWRGD P PWRG D 3 NC 6 NC 1 2 3 U3 1 J6 C5 1uF 16V 0805 J10 GND GND J7 GND SOT-223-3 C6 1uF 16V 0805 GND 1 MCP1790 VIN VOUT GND GND U4 VOUT3 3 C7 1uF 16V 0805 GND 1 2 2016 Microchip Technology Inc. GND J4 J2 GND 9 EP 4 GND 5 SHDN DFN 2x3mm 1 U2 C3 1uF 16V 0805 1 2 GND 1 2 3 VOUT1 5 VOUT 4 PWRGD P PWRG D VIN 3 C2 1uF 16V 0805 MCP1755 1 GND SOT-23-5 2 GND 2 J3 D1 7.5V 6 5 4 3 2 1 MOV-Varistor 387 V 4.5 kA R3 J11 DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide DS50002464A-page 16 A.2 Schematic and Layouts A.3 BOARD – TOP SILK 2016 Microchip Technology Inc. DS50002464A-page 17 DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide A.4 BOARD – TOP COPPER AND SILK DS50002464A-page 18 2016 Microchip Technology Inc. Schematic and Layouts A.5 BOARD – TOP COPPER 2016 Microchip Technology Inc. DS50002464A-page 19 DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User’s Guide A.6 BOARD – BOTTOM COPPER DS50002464A-page 20 2016 Microchip Technology Inc. DN2470 BASED LINEAR REGULATOR INPUT VOLTAGE RANGE EXTENDER 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 Capacitor 1 µF 450V Rubycon Corporation 450PX1MEFC6.3X11 6 C2, C3, C4, C5, C6, C7 Capacitor, 1 µF 16V Kemet C0805C105K4RACTU 1 D1 Zener Diode 7.5V Diodes Incorporated® BZT52C7V5S-7-F 1 H1 HS1 Heat Sink Aavid Thermalloy 573100D00000G 1 J1 Connector Terminal 1X2 PHOENIX CONTACT 1933189 3 J2, J10, J11 2 Pos. Header Connector Molex® 0022284020 1 J3 6 Pos. Dual Connector Samtec Inc TSW-103-08-L-D 2 J4, J6 1 Pos. Header Connector NOT INSTALLED TE Connectivity Ltd. 5-146280-1 2 J5, J7 3 Pos. Header Connector Samtec, Inc. TSW-103-07-T-S 4 N/A Hex Standoff 4-40 Nylon 1/2 Keystone Electronics Corp. 4802 4 N/A Hex Nut 1/4" Nylon Keystone Electronics Corp. 9605 1 N/A (Mounts Terminal Block Plug 2 Pos. on J1) PHOENIX CONTACT 1934861 1 PCB DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board – Printed Circuit Board — 04-10446 1 Q1 DN2470 Microchip Technology Inc. DN2470K4-G 1 R1 68 Ohms 2W TT Electronics Plc. ULW2-68RJA25 1 R2 Resistor 100k Yageo Corporation RC0805JR-07100KL 1 R3 Thermistor-100 PTC Murata Electronics North America, Inc. PRG18BB101MB1RB 1 U1 Rectifier 0.5A 400V Micro Commercial Components MB4S-TP 1 U2 MCP1755 Microchip Techonology Inc. MCP1755T-3302E/OT 1 U3 MCP1754 Microchip Techonology Inc. MCP1754-5002E/MC 1 U4 MCP1790 Microchip Techonology Inc. MCP1790-3002E/DB 1 U5 Varistor 387V 4.5kA -14 mm Disc Bourns, Inc. MOV-14D431K 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. 2016 Microchip Technology Inc. DS50002464A-page 21 Bill of Materials (BOM) NOTES: 2016 Microchip Technology Inc. DS50002464A-page 22 DN2470 BASED LINEAR REGULATOR INPUT VOLTAGE RANGE EXTENDER EVALUATION BOARD USER’S GUIDE Appendix C. DN2470 Characterization Plots C.1 HEAT SINK Temperature Rise Above Ambient (°C) 90 80 70 230 VAC 50 Hz 60 Linearized 50 40 120 VAC 60 Hz 30 20 Linearized 10 0 0 10 Load Current (mA) 15 20 PAD TEMPERATURE DN2470 Pad Temperature Rise (°C) C.2 5 100 90 80 70 60 50 40 30 20 10 0 230 VAC 50 Hz Linearized 120 VAC 60 Hz Linearized 0 2016 Microchip Technology Inc. 5 10 Load Current (mA) 15 20 DS50002464A-page 23 DN2470 Characterization Plots C.3 OVERTEMPERATURE PROTECTION USING PTC 3.5 LDO VOUT (V) 3 2.5 2 1.5 1 0.5 0 0 50 100 150 PTC Temperature (°C) 2015 Microchip Technology Inc. DS50002464A-page 24 DN2470 Characterization Plots NOTES: 2015 Microchip Technology Inc. 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