Texas Instruments UCC38500EVM manual 1.4 DM38500 EVM Performance, 2. DM38500 EVM Efficiency

Models: UCC38500EVM

1 16

Page 11

Image 11

Contents

SLUU068C Using the UCC38500EVMUser’s Guide February Using the UCC38500Power Management Products User’s Guide IMPORTANT NOTICE EVM IMPORTANT NOTICE EVM WARNINGS AND RESTRICTIONS 1.3.4 Additional Information 1.4 DM38500 EVM Performance Contents1−1. DM38500 Evaluation Module Application Schematic 1.3.3 Step 3. Evaluating the Demonstration’s Boards Performance Topic General InformationChapter Page 1.2 Description 1.1 FeaturesJ Controls Boost Preregulator to Near-unity Power Factor J Accurate Power Limiting J Improved Feedforward Line Regulation 1.3.3 Step 3. Evaluating the Demonstration’s Boards Performance 1.3.2 Step 2. Applying Input Power1.3 Operating Guidelines 1.3.1 Step 1. Load Connections EVM Warnings and High-Temperature componentHigh-Voltage component. See See EVM Warnings Figure 1−2. DM38500 EVM Efficiency Figure 1−3. DM38500 Power Factor1.4 DM38500 EVM Performance V IN = 265 Figure 1−4. DM38500 Total Harmonic DistortionDistortion Total DM38500 Board Layouts ReferenceDM38500 EVM Part Descriptions Table 2−1. DM38500 Part Descriptions 2.1 DM38500 EVM Part Descriptions Value/Type Number 2 Unless otherwise specified, all resistors have a tolerance of ±1%3 Capacitor C38 is located at reference designator R38 on the PCB Description 2.2 DM38500 Board Layouts Figure 2−1. DM38500 EVM PC Board Top Assembly