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DS51315A-page 12

 2003 Microchip Technology Inc.

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12/05/02

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Summary of Contents for MCP1601

Page 1: ...2003 Microchip Technology Inc DS51315A MCP1601 Evaluation Board User s Guide M...

Page 2: ...ng the code protection features of our products Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by update...

Page 3: ...ernet Web Site 2 Customer Support 2 Chapter 1 MCP1601 Evaluation Board 3 1 1 Introduction 3 1 2 Detailed Description 4 1 3 Test Points 6 Appendix A Schematic and Board Layouts 7 A 1 Introduction 7 A 2...

Page 4: ...MCP1601 Eval Board User Guide DS51315A page iv 2002 Microchip Technology Inc NOTES...

Page 5: ...out diagrams for the MCP1601 Evaluation Board Appendix A 1 gives some overview and highlight information Appendix A 2 contains the Evaluation Board Schematic Appendix A 3 shows the Silk Screen Layer o...

Page 6: ...Engineer CAE Hot line Customers should call their distributor representative or field application engineer FAE for support Local sales offices are also available to help customers See the back cover...

Page 7: ...nd how to select the desired Synchronous Converter operating mode and program the output voltage The Evaluation Board Schematic is shown is Figure 1 1 FIGURE 1 1 MCP1601 Evaluation Board Schematic OUT...

Page 8: ...ings are 1 8V 2 05V 2 45V and 3 28V 1 2 1 Applying Power to the Board Two surface mount test points are used to apply power to the MCP1601 Evaluation Board For proper operation the input voltage range...

Page 9: ...st point See the MCP1601 datasheet DS21762 for external clock specifications When synchronizing to an external oscillator the MCP1601 will operate in the fixed frequency mode at the same frequency as...

Page 10: ...YNC PWM pin can be used to monitor the level of the SYNC PWM pin or as an input to the MCP1601 device With switch U3 position 2 in the off position a 1 M resistor will pull the pin low To synchronize...

Page 11: ...MCP1601 Evaluation Board is constructed using one 1 silk screen layer and two 2 1 oz metal wiring layers The bottom metal wiring layer is a single ground plane which is routed to partition the PGND hi...

Page 12: ...t AGND Input AGND AGND AGND AGND R1 1 24 M 2 1 TP6 SYNC PWM U2 2 pos Switch 1 2 3 4 1 ON R2 634 K 2 1 R6 1 0 M 2 1 R5 1 0 M 2 1 C1 10 F 1 2 C2 10 F 1 2 TP2 V L1 10 H TP1 VIN R3 619 K 2 1 U1 MCP1601 1...

Page 13: ...2003 Microchip Technology Inc DS51315A page 9 MCP1601 Evaluation Board A 4 EVALUATION BOARD TOP METAL LAYER A 5 EVALUATION BOARD BOTTOM METAL LAYER...

Page 14: ...MCP1601 Eval Board User Guide DS51315A page 10 2003 Microchip Technology Inc NOTES...

Page 15: ...0805 SMD Panasonic ECG ERJ 6ENF6193V R4 1 Resistor 200 k 1 10W 1 0805 SMD Panasonic ECG ERJ 6ENF200V R5 R6 2 Resistor 1 00 M 1 10W 1 0805 SMD Panasonic ECG ERJ 6ENF1004V C1 C2 2 Capacitor 10 F 6 3V Ce...

Page 16: ...ad Kwai Fong N T Hong Kong Tel 852 2401 1200 Fax 852 2401 3431 China Shanghai Microchip Technology Consulting Shanghai Co Ltd Room 701 Bldg B Far East International Plaza No 317 Xian Xia Road Shanghai...

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