Texas Instruments UCC38500EVM manual Operating Guidelines, Load Connections, Applying Input Power

Models: UCC38500EVM

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Contents

Using the UCC38500EVM User’s GuideSLUU068C 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 Figure 1−3. DM38500 Power Factor 1.4 DM38500 EVM PerformanceFigure 1−2. DM38500 EVM Efficiency Distortion Figure 1−4. DM38500 Total Harmonic DistortionTotal V IN = 265 Reference DM38500 EVM Part DescriptionsDM38500 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