Texas Instruments TPS53219EVM-690 Wide-Input Voltage Eco-mode™, Single, Synchronous, Step-Down Controller TPS53219EVM-69 TPS53219EVM-690 Scheda Tecnica

The TPS53219EVM-690 evaluation module allows users to evaluate the Texas Instruments TPS53219, a
small-sized, single, buck controller with adaptive on-time D-CAP™ mode control. Included in this
document are operating and testing descriptions as well as the EVM schematic, bill of materials, and
board layout.

1

Introduction

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2

Description

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2.1

Typical Applications

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2.2

Features

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3

Electrical Performance Specifications

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4

Schematic

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5

Test Setup

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5.1

Test Equipment

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5.2

Recommended Test Setup

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6

Configurations

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6.1

Switching Frequency Selection

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6.2

Soft-Start Selection

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6.3

Mode Selection

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6.4

Enable Selection

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7

Test Procedure

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7.1

Line/Load Regulation and Efficiency Measurement Procedure

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7.2

Control Loop Gain and Phase Measurement Procedure

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7.3

List of Test Points

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7.4

Equipment Shutdown

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8

Performance Data and Typical Characteristic Curves

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8.1

Efficiency

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8.2

Load Regulation

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8.3

Output Transient

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8.4

Output Ripple

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8.5

Switching Node

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8.6

Enable Turnon/Turnoff

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8.7

Output 1.1-V Prebias Turnon

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8.8

Bode Plot

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8.9

Thermal Image

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9

EVM Assembly Drawing and PCB Layout

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10

Bill of Materials

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1

TPS53219EVM-690 Schematic

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2

Tip and Barrel Measurement for Vout Ripple

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3

TPS53219EVM-690 Recommended Test Set Up

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4

Efficiency

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Eco-mode, D-CAP are trademarks of Texas Instruments.

1

SLVU431 – January 2011

© 2011, Texas Instruments Incorporated