SLUUCZ9A January   2024  – May 2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
      1. 1.4.1 U1 Component Selection
      2. 1.4.2 UCC33420-Q1 Pin Definition
  7. 2Hardware
    1. 2.1 EVM Setup and Operation
      1. 2.1.1 Recommended Test Equipment
      2. 2.1.2 External Connections for Easy Evaluation
      3. 2.1.3 Powering the EVM
      4. 2.1.4 EVM Test Points
      5. 2.1.5 Oscilloscope Probes: Probing the EVM
  8. 3Implementation Results
    1. 3.1 Performance Data
      1. 3.1.1 Efficiency Data
      2. 3.1.2 Regulation Data
      3. 3.1.3 Startup Waveforms
      4. 3.1.4 Inrush Current
      5. 3.1.5 AC Ripple Voltage
      6. 3.1.6 Load Transient
      7. 3.1.7 VCC Short-Circuit
      8. 3.1.8 Thermal Performance
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 Assembly and Printed Circuit Board (PCB)
    3. 4.3 Bill of Materials (BOM)
  10. 5Additional Information
    1. 5.1 Trademarks
  11. 6Revision History

2.1.1 Recommended Test Equipment

  1. VEN: DC power supply1: 5.0V, 10mA
  2. VINP: DC power supply2: 5.0V, 1A
  3. IVISO: Electronic load or fixed resistor: 5V, 500mA
  4. (2) DVMs measuring DC voltage <10V
  5. (2) DVMs measuring DC current <1.0A on IVINP and IVCC
  6. Oscilloscope: 4 channel, 500MHz or better, voltage probes, current probes
  7. Minimum wire gauge 20 AWG to 22 AWG or heavier
  8. Thermal camera or thermocouple to measure U1 case temperature