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

1.3 Specification

Table 1-2 EVM Electrical Characteristics VIN=5 V, Vcc=5 V, TA=25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT CHARACTERISTICS
VINP Input voltage range PVCC=1.5W 4.5 5 5.5 V
IIN_FL Input current at full load VINP=4.5V-5.5V, VCC=5.0V, IVcc=300 mA 535 mA
IIN_NL Input current at no load VINP =5.0V, VCC=5.0V, IVcc=0 mA 7 15 mA
OUTPUT CHARACTERISTICS
VCC DC full load set-point VINP=4.5V-5.5V, VCC=5.0V, IVCC=300 mA 4.85 5 5.15 V
IVCC VCC load current range VINP=4.5V-5.5V 0 300 mA
VCC%LD Load regulation VINP=5.0V, VCC=5.0V, IVCC =0-300mA 0.5 %
VCC(AC) pk-to-pk AC ripple 20MHz bandwidth, VINP=5.0V, VCC=5.0V, IVCC=300mA, Ta=25ºC, Cout=22uF 50 75 mV
PMAX Recommended maximum output power VINP=5.0V, IVCC=300mA, Ta=25ºC 1.5 W
SYSTEM CHARACTERISTICS
η Full load efficiency VINP=5.0V, VCC=5.0V, IVCC=300mA, Ta=25ºC, Cout=22uF 55 %
fSW Switching frequency 76 MHz