Texas Instruments TPS53119EVM-690, Руководство пользователя

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1 SNVU589 – December 2017
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Copyright © 2017, Texas Instruments Incorporated
TPS53119EVM-690 User Guide
User's Guide
SNVU589 – December 2017
TPS53119EVM-690 User Guide
The TPS53119EVM-690 evaluation module allows users to evaluate the Texas Instruments TPS53119, 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.
Contents
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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List of Figures
1 TPS53119EVM-690 Schematic
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2 Tip and Barrel Measurement for Vout Ripple
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3 TPS53119EVM-690 Recommended Test Setup
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4 Efficiency
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5 Load Regulation
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6 Output Load Transient
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7 Output Load Transient
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