Texas Instruments Evaluation Module for TPS54228 TPS54228EVM-686 TPS54228EVM-686 Scheda Tecnica

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This user's guide contains information for the TPS54228 as well as support documentation for the
TPS54228EVM-686 evaluation module. Included are the performance specifications, schematic, and the
bill of materials of the TPS54228EVM-686.

1

Introduction

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2

Performance Specification Summary

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3

Modifications

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3.1

Output Voltage Setpoint

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3.2

Output Filter and Closed-Loop Response

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4

Test Setup and Results

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4.1

Input/Output Connections

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4.2

Start-Up Procedure

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4.3

Efficiency

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4.4

Load Regulation

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4.5

Line Regulation

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4.6

Load Transient Response

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4.7

Output Voltage Ripple

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4.8

Input Voltage Ripple

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4.9

Start-Up

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5

Board Layout

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5.1

Layout

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6

Schematic, Bill of Materials, and Reference

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6.1

Schematic

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6.2

Bill of Materials

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6.3

Reference

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1

TPS54228EVM-686 Efficiency

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2

TPS54228EVM-686 Light-Load Efficiency

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3

TPS54228EVM-686 Load Regulation, V

IN

= 5 V

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4

TPS54228EVM-686 Load Regulation, V

IN

= 12 V

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5

TPS54228EVM-686 Line Regulation

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6

TPS54228EVM-686 Load Transient Response

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7

TPS54228EVM-686 Output Voltage Ripple

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8

TPS54228EVM-686 Start of Eco-mode

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Output Voltage Ripple

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9

TPS54228EVM-686 Eco-mode

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Output Voltage Ripple

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10

TPS54228EVM-686 Input Voltage Ripple

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11

TPS54228EVM-686 Start-Up Relative to V

IN

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12

TPS54228EVM-686 Start-Up Relative to EN

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13

Top Assembly

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14

Top Layer

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SWIFT, Eco-mode, D-CAP2 are trademarks of Texas Instruments.

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SLVU452

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May 2011

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Copyright

©

2011, Texas Instruments Incorporated