Microchip Technology SOT23-3 User Manual Download | Manualshive

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Installation and Operation

©

2008 Microchip Technology Inc.

DS51785A-page 9

2.3.6

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 SOT23-3 Voltage
Regulator Evaluation Board. The PSRR analyzer may then sweep the input voltage
frequencies and record the corresponding output voltages.

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Summary of Contents for SOT23-3

Page 1: ...2008 Microchip Technology Inc DS51785A SOT23 3 Voltage Regulator Evaluation Board User s Guide...

Page 2: ...hnology Incorporated in the U S A All other trademarks mentioned herein are property of their respective companies 2008 Microchip Technology Incorporated Printed in the U S A All Rights Reserved Print...

Page 3: ...Chapter 1 Product Overview 1 1 Introduction 5 1 2 What is the SOT23 3 Voltage Regulator Evaluation Board 5 1 3 What the SOT23 3 Voltage Regulator Evaluation Board kit includes 6 Chapter 2 Installation...

Page 4: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page iv 2008 Microchip Technology Inc NOTES...

Page 5: ...ription of the evaluation board operation Appendix A Schematic and Layouts Shows the schematic and layout diagrams for the SOT23 3 Voltage Regulator Evaluation Board Appendix B Bill of Materials BOM L...

Page 6: ...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 b0010 2 hF1 Text in a...

Page 7: ...owing 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 softw...

Page 8: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 4 2008 Microchip Technology Inc NOTES...

Page 9: ...currently consist of an Input Voltage Linestep Board Output Voltage Loadstep Board and several other device packages 1 2 WHAT IS THE SOT23 3 VOLTAGE REGULATOR EVALUATION BOARD The SOT23 3 Voltage Regu...

Page 10: ...1 2 6 Power Supply J1 or TP1 and TP2 are connected to the user s power supply 1 2 7 Device Selection JP2 and JP5 select either device U1 or device U2 Placing the jumper on pins 1 2 of JP2 and JP5 sele...

Page 11: ...on Board has the following features Input and Output headers for future connection to Line Step and Load Step modules Ample testpoints to attach multimeters power supplies and loads Jumper to select g...

Page 12: ...alue One choice is to set R5 to the minimum current wanted for testing 2 3 4 Line Step Dynamic Line Step response may be evaluated by connecting an electronically switched input voltage to testpoints...

Page 13: ...atio PSRR Power Supply Rejection Ratio tests are performed by removing the input capacitor jumper JP1 and connecting an appropriate PSRR analyzer to the SOT23 3 Voltage Regulator Evaluation Board The...

Page 14: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 10 2008 Microchip Technology Inc NOTES...

Page 15: ...Technology Inc DS51785A page 11 Appendix A Schematic and Layouts A 1 INTRODUCTION This appendix contains the following schematis and layouts for the SOT23 3 Voltage Regulator Evaluation Board Board S...

Page 16: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 12 2008 Microchip Technology Inc A 2 BOARD SCHEMATIC Date REV Revision Notes 1 Initial Release 18 FEB 2008...

Page 17: ...Schematic and Layouts 2008 Microchip Technology Inc DS51785A page 13 A 3 BOARD TOP SILK AND PADS...

Page 18: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 14 2008 Microchip Technology Inc A 4 BOARD TOP COPPER...

Page 19: ...Schematic and Layouts 2008 Microchip Technology Inc DS51785A page 15 A 5 BOARD BOTTOM COPPER...

Page 20: ...SOT23 3 Voltage Regulator Evaluation Board User s Guide DS51785A page 16 2008 Microchip Technology Inc NOTES...

Page 21: ...eaders Molex Electronics 22 28 4360 2 JP2 JP5 3 pin header 0 100 centers 0 025 sq pins 0 070 pcb to pin center height 36 pins to a strip yields 12 headers Molex Electronics 22 28 4360 5 JP1 JP2 JP3 JP...

Page 22: ...24 2334 2393 China Shenzhen Tel 86 755 8203 2660 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xiamen Tel 86 592 2388138 Fax 86 592 2388130 China Xian Tel 86 29 8833 7...

Page 23: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Microchip SOT23 3EV VREG...

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