Microchip Technology DN2470 User Manual Download Page 1

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2016 Microchip Technology Inc.

DS50002464A

DN2470 Based Linear Regulator

Input Voltage Range Extender

Evaluation Board User’s Guide

Summary of Contents for DN2470

Page 1: ...2016 Microchip Technology Inc DS50002464A DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User s Guide...

Page 2: ...rized access to your software or other copyrighted work you may have a right to sue for relief under that Act Microchip received ISO TS 16949 2009 certification for its worldwide headquarters design a...

Page 3: ...2016 Microchip Technology Inc DS50002464A page 3 Object of Declaration DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board...

Page 4: ...DS50002464A page 4 2016 Microchip Technology Inc NOTES...

Page 5: ...r 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 Operatio...

Page 6: ...DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User s Guide DS50002464A page 6 2016 Microchip Technology Inc NOTES...

Page 7: ...hematic 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 B...

Page 8: ...A menu path File 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 b00...

Page 9: ...s 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 Ask...

Page 10: ...gh 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...

Page 11: ...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 1 4 WHAT THE DN2470 BASED LINEAR REGULATOR INPUT VOL...

Page 12: ...DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User s Guide DS50002464A page 12 2016 Microchip Technology Inc NOTES...

Page 13: ...Regulator Input Voltage Range Extender Evaluation Board for operation the steps below must be followed carefully 1 Select an LDO by placing a jumper on J3 connector If VIN1 or VIN2 are selected SHDN...

Page 14: ...egulator Input Voltage Range Extender Evaluation Board User s Guide DS50002464A page 14 2016 Microchip Technology Inc FIGURE 2 1 DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation B...

Page 15: ...Inc DS50002464A page 15 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 Exten...

Page 16: ...NC GND SHDN VIN 8 NC 6 NC 7 EP 9 U3 VOUT 3 VOUT 1 GND 2 U4 VOUT 5 PWRGD 4 GND 2 SHDN 3 VOUT PWRG P P D GND SHDN VIN 1 U2 1 1 2 3 4 5 6 J3 H1 1uF 450V C1 1 2 J1 CONN Terminal 100k 0805 5 R2 GND U5 MOV...

Page 17: ...Schematic and Layouts 2016 Microchip Technology Inc DS50002464A page 17 A 3 BOARD TOP SILK...

Page 18: ...DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User s Guide DS50002464A page 18 2016 Microchip Technology Inc A 4 BOARD TOP COPPER AND SILK...

Page 19: ...Schematic and Layouts 2016 Microchip Technology Inc DS50002464A page 19 A 5 BOARD TOP COPPER...

Page 20: ...DN2470 Based Linear Regulator Input Voltage Range Extender Evaluation Board User s Guide DS50002464A page 20 2016 Microchip Technology Inc A 6 BOARD BOTTOM COPPER...

Page 21: ...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 on J1 Terminal Block Plug 2 Pos PHOENIX CONTACT 1934861 1 PCB DN2470 Base...

Page 22: ...Bill of Materials BOM 2016 Microchip Technology Inc DS50002464A page 22 NOTES...

Page 23: ...C DN2470 Characterization Plots C 1 HEAT SINK C 2 PAD TEMPERATURE 0 10 20 30 40 50 60 70 80 90 0 5 10 15 20 Temperature Rise Above Ambient C Load Current mA Linearized 120 VAC 60 Hz 230 VAC 50 Hz Line...

Page 24: ...DN2470 Characterization Plots 2015 Microchip Technology Inc DS50002464A page 24 C 3 OVERTEMPERATURE PROTECTION USING PTC 0 0 5 1 1 5 2 2 5 3 3 5 0 50 100 150 LDO V OUT V PTC Temperature C...

Page 25: ...DN2470 Characterization Plots 2015 Microchip Technology Inc DS50002464A page 25 NOTES...

Page 26: ...86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8864 2200 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xian Tel 86 29 8833 7252 Fax 86 29 8833 7256 ASI...