Texas Instruments TPS51219 Evaluation Module TPS51219EVM-630 TPS51219EVM-630 Scheda Tecnica

The TPS51219EVM evaluation module (EVM) uses the TPS51219. The TPS51219 is a small-size, single
buck controller with adaptive on-time D-CAP2™ providing 1.05-V output at up to 20 A from input voltage
ranging 8 V to 20 V.

1

Description

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1.1

Typical Applications

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1.2

Features

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2

Electrical Performance Specifications

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3

Schematic

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4

Test Setup

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4.1

Test Equipment

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4.2

Recommended Test Setup

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5

Test Procedure

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5.1

Line/Load Regulation and Efficiency Measurement Procedure

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5.2

List of Test Points

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5.3

Equipment Shutdown

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6

Performance Data and Typical Characteristic Curves

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6.1

Efficiency

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6.2

Load Regulation

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6.3

Line Regulation

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6.4

Load Transient

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6.5

Output Ripple

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6.6

Switch Node Voltage

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6.7

Turnon/Turnoff Waveform

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6.8

Output 0.5-V Prebias Turnon Waveform

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7

EVM Assembly Drawing and PCB Layout

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8

Bill of Materials

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1

TPS51219EVM-630 Schematic, Sheet 1 of 2

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2

TPS51219EVM-630 Schematic, Sheet 2 of 2

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3

Tip and Barrel Measurement for Switch Node Voltage

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4

TPS51219EVM-630 Recommended Test Setup

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5

TPS51219EVM-630 Efficiency

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6

TPS51219EVM-630 Load Regulation

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7

TPS51219EVM-630 Line Regulation

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8

TPS51219EVM-630 Load Transient (V

OUT

=1.05 V)

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9

Output Ripple

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10

Switching Node Waveform

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11

Enable Turnon

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1

SLUU818 – April 2012

Copyright © 2012, Texas Instruments Incorporated