Microchip Technology MIC23350 Скачать руководство пользователя страница 19

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Schematic and Layouts

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2018 Microchip Technology Inc.

DS50002833A-page 18

A.9

BOARD – BOTTOM COPPER AND SILK

A.10 BOARD – BOTTOM SILK

Содержание MIC23350

Страница 1: ...2018 Microchip Technology Inc DS50002833A MIC23350 Evaluation Board User s Guide...

Страница 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...

Страница 3: ...MIC23350 Evaluation Board 8 1 4 Contents of the MIC23350 Evaluation Board Kit 8 Chapter 2 Installation and Operation 2 1 Introduction 9 2 2 Features 9 2 3 Getting Started 10 2 3 1 Power Input and Outp...

Страница 4: ...and Layouts Shows the schematic and layout diagrams for the MIC23350 Evaluation Board Appendix B Bill of Materials BOM Lists the parts used to build the MIC23350 Evaluation Board NOTICE TO CUSTOMERS A...

Страница 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...

Страница 6: ...guides and hardware support documents latest software releases and archived software General Technical Support Frequently Asked Questions FAQs technical support requests online discussion groups Micro...

Страница 7: ...resulting output voltage The 2 4V to 5 5V input voltage range low shutdown and quiescent currents make the MIC23350 device ideal for single cell Li Ion battery powered applications The 100 duty cycle...

Страница 8: ...device in a buck converter application supplied from an external voltage source from 2 4V to 5 5V to a pin programmed regulated output Two jumpers are provided on the board to select the desired outp...

Страница 9: ...Board has the following features 2 4V to 5 5V Input Voltage Range 3A Continuous Output Current Programmable Voltage Output through VSEL Pins 0 6V 0 8V 0 9V 1 0V 1 2V 1 5V 1 8V 2 5V or 3 3V Output Volt...

Страница 10: ...UT terminal 2 3 1 2 BOARD POWER UP PROCEDURE 1 Connect the input supply voltmeter amperemeter and load as shown in Figure 2 2 2 Place VSEL1 and VSEL2 jumpers to obtain the desired output voltage accor...

Страница 11: ...er up through the VSEL1 and VSEL2 pins Table 2 1 displays the possible combinations The oscilloscope screen capture in Figure 2 3 displays the MIC23350 device s switching waveforms during normal opera...

Страница 12: ...2833A page 12 FIGURE 2 3 Normal Operation at 0 6V Output 3A Load FIGURE 2 4 Efficiency vs IOUT at 1V 0 10 20 30 40 50 60 70 80 90 100 0 001 0 01 0 1 1 10 Efficiency IOUT A VOUT 1V VIN 3 3V VIN 5 0V VI...

Страница 13: ...ance of many Digital Multimeters DMMs used for current measurements is generally too high The MIC23350 Evaluation Board also comes populated with a 470 F electrolytic bulk capacitor especially recomme...

Страница 14: ...atic and Layouts A 1 INTRODUCTION This appendix contains the following schematics and layouts for the MIC23350 Evaluation Board Board Schematic Board Top Silk Board Top Copper and Silk Board Top Coppe...

Страница 15: ...J5 47uF 10V 1210 C5 J13 J12 SW 1M 0603 R3 PG Net Tie 0 5mm NT1 HDR 2 54 Male 1x3 J7 HDR 2 54 Male 1x3 J2 VSEL1 VSEL2 VSEL1 VSEL2 350nH L1 10R 0603 1 R12 DNP J9 22uF 10V 0805 C9 MIC23350 1 2 3 PVIN PVI...

Страница 16: ...Schematic and Layouts 2018 Microchip Technology Inc DS50002833A page 15 A 3 BOARD TOP SILK A 4 BOARD TOP COPPER AND SILK...

Страница 17: ...Schematic and Layouts 2018 Microchip Technology Inc DS50002833A page 16 A 5 BOARD TOP COPPER A 6 BOARD MID LAYER 1...

Страница 18: ...Schematic and Layouts 2018 Microchip Technology Inc DS50002833A page 17 A 7 BOARD MID LAYER 2 A 8 BOARD BOTTOM COPPER...

Страница 19: ...Schematic and Layouts 2018 Microchip Technology Inc DS50002833A page 18 A 9 BOARD BOTTOM COPPER AND SILK A 10 BOARD BOTTOM SILK...

Страница 20: ...1 Misc Test Point Multipurpose Mini Red Keystone Electronics Corp 5000 3 J17 J18 J20 Misc Test Point Multipurpose Mini Black Keystone Electronics Corp 5001 3 J2 J6 J7 Connector HDR 2 54 Male 1x3 Tin 5...

Страница 21: ...l HW Jumper 2 54 mm 1x2 Phosphor Bronze w Handle Jameco Valuepro 2012JH R 1 LABEL1 Label Assembly w Rev Level Small Modules Per MTS 0002 4 PAD1 PAD2 PAD3 PAD4 Mechanical HW Rubber Pad Cylindrical D7 9...

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