User’s Guide, SLUU068C | Texas Instruments UCC38500EVM instruction

Using the UCC38500EVM

Using the UCC38500EVM

User’s Guide

SLUU068C

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Texas Instruments manual User’s Guide, Using the UCC38500EVM, SLUU068C

Contents

User’s Guide Using the UCC38500EVMSLUU068C Power Management Products Using the UCC38500User’s Guide February IMPORTANT NOTICE EVM IMPORTANT NOTICE EVM WARNINGS AND RESTRICTIONS 1−1. DM38500 Evaluation Module Application Schematic Contents1.3.3 Step 3. Evaluating the Demonstration’s Boards Performance 1.3.4 Additional Information 1.4 DM38500 EVM Performance Chapter General InformationPage Topic J Controls Boost Preregulator to Near-unity Power Factor 1.1 FeaturesJ Accurate Power Limiting J Improved Feedforward Line Regulation 1.2 Description 1.3 Operating Guidelines 1.3.2 Step 2. Applying Input Power1.3.1 Step 1. Load Connections 1.3.3 Step 3. Evaluating the Demonstration’s Boards Performance High-Voltage component. See High-Temperature componentSee EVM Warnings EVM Warnings and 1.4 DM38500 EVM Performance Figure 1−3. DM38500 Power FactorFigure 1−2. DM38500 EVM Efficiency Distortion Figure 1−4. DM38500 Total Harmonic DistortionTotal V IN = 265 DM38500 EVM Part Descriptions ReferenceDM38500 Board Layouts Table 2−1. DM38500 Part Descriptions 2.1 DM38500 EVM Part Descriptions 3 Capacitor C38 is located at reference designator R38 on the PCB 2 Unless otherwise specified, all resistors have a tolerance of ±1%Description Value/Type Number 2.2 DM38500 Board Layouts Figure 2−1. DM38500 EVM PC Board Top Assembly