Texas Instruments UCC38500EVM Unless otherwise specified, all resistors have a tolerance of ±1%

Contents Using the UCC38500EVM User’s GuideSLUU068C February Using the UCC38500Power Management Products User’s GuideIMPORTANT 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 PerformanceTopic General InformationChapter Page1.2 Description 1.1 FeaturesJ Controls Boost Preregulator to Near-unity Power Factor J Accurate Power Limiting J Improved Feedforward Line Regulation1.3.3 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 ConnectionsEVM Warnings and High-Temperature componentHigh-Voltage component. See See EVM WarningsFigure 1−3. DM38500 Power Factor 1.4 DM38500 EVM PerformanceFigure 1−2. DM38500 EVM Efficiency V IN = 265 Figure 1−4. DM38500 Total Harmonic DistortionDistortion TotalReference DM38500 EVM Part DescriptionsDM38500 Board Layouts Table 2−1. DM38500 Part Descriptions 2.1 DM38500 EVM Part DescriptionsValue/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 Description2.2 DM38500 Board Layouts Figure 2−1. DM38500 EVM PC Board Top Assembly