Texas Instruments Evaluation Module for TPS54429E Synchronous Step-Down SWIFT Converter with Auto-Skip ECO Mode TPS54429 TPS54429EEVM-608 Scheda Tecnica

This user’s guide contains background information for the TPS54429E as well as support documentation
for the TPS54429EEVM-608 evaluation module. Also included are the performance specifications,
schematic and the bill of materials for the TPS54429EEVM-608.

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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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

Light Load Efficiency

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4.5

Load Regulation

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4.6

Line Regulation

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4.7

Load Transient Response

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4.8

Output Voltage Ripple

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4.9

Input Voltage Ripple

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4.10

Start-Up

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4.11

Eco-mode™ Operation

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5

Test Setup and Results

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6

Board Layout

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6.1

Layout

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7

Schematic, Bill of Materials, and Reference

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7.1

Schematic

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7.2

Bill of Materials

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7.3

Reference

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1

TPS54429EEVM-608 Efficiency

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2

TPS54429EEVM-608 Light Load Efficiency

.............................................................................

3

TPS54429EEVM-608 Load Regulation

..................................................................................

4

TPS54429EEVM-608 Line Regulation

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5

TPS54429EEVM-608 Load Transient Response

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6

TPS54429EEVM-608 Output Voltage Ripple

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7

TPS54429EEVM-608 Input Voltage Ripple

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8

TPS54429EEVM-608 Start-Up

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9

TPS54429EEVM-608 Start-Up Relative to Enable

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10

TPS54329EEVM-608 Normal Switching

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11

TPS54429EEVM-608 Entering Eco-mode™ Operation

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12

TPS54429EEVM-608 Fully in Eco-mode™ Operation

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

1

SLVU444 – March 2011

© 2011, Texas Instruments Incorporated