SLUUCZ9C January   2024  – December 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 Device Information
      1. 1.3.1 U1 Component Selection
      2. 1.3.2 UCC33420-Q1 Pin Definition
    4. 1.4 Specification
  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 Schematic
    2. 3.2 Performance Data
      1. 3.2.1 Efficiency Data
      2. 3.2.2 Regulation Data
      3. 3.2.3 Startup Waveforms
      4. 3.2.4 Inrush Current
      5. 3.2.5 AC Ripple Voltage
      6. 3.2.6 Load Transient
      7. 3.2.7 VCC Short-Circuit
      8. 3.2.8 Thermal Performance
  9. 4Hardware Design Files
    1. 4.1 Assembly and Printed Circuit Board (PCB)
    2. 4.2 Bill of Materials (BOM)
  10. 5Additional Information
    1. 5.1 Trademarks
  11. 6Revision History

3.2.5 AC Ripple Voltage

UCC33420Q1-EVM UCC33420-Q1 VCC AC Ripple, VINP=5.0V, VCC=5.0V, Iout=0mA Figure 3-14 UCC33420-Q1 VCC AC Ripple, VINP=5.0V, VCC=5.0V, Iout=0mA
UCC33420Q1-EVM UCC33020-Q1 VCC AC Ripple, VINP=3.3V, VCC=5.0V, Iout=0mA Figure 3-15 UCC33020-Q1 VCC AC Ripple, VINP=3.3V, VCC=5.0V, Iout=0mA
UCC33420Q1-EVM UCC33420-Q1 VCC AC Ripple, VINP=5.0V, VCC=5.0V, Iout=300mA Figure 3-16 UCC33420-Q1 VCC AC Ripple, VINP=5.0V, VCC=5.0V, Iout=300mA
UCC33420Q1-EVM UCC33020-Q1 VCC AC Ripple, VINP=3.3V, VCC=5.0V, Iout=100mA Figure 3-17 UCC33020-Q1 VCC AC Ripple, VINP=3.3V, VCC=5.0V, Iout=100mA