SLUUCZ9D January   2024  – February 2025

 

  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

1.4 Specification

Table 1-4 UCC33420-Q1 EVM Electrical Characteristics VINP=5V, VCC=5V, 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, Iout=300 mA 535 mA
IIN_NL Input current at no load VINP =5.0V, VCC=5.0V, Iout=0 mA 7 15 mA
Output Characteristics
VCC DC full load set-point VINP=4.5V-5.5V, VCC=5.0V, Iout=300 mA 4.85 5 5.15 V
Iout VCC load current range VINP=4.5V-5.5V 0 300 mA
VCC%LD Load regulation VINP=5.0V, VCC=5.0V, Iout =0-300mA 0.5 %
VCC(AC) pk-to-pk AC ripple 20MHz bandwidth, VINP=5.0V, VCC=5.0V, Iout=300mA, TA=25ºC, COUT=22uF 50 75 mV
PMAX Recommended maximum output power VINP=5.0V, Iout=300mA, TA=25ºC 1.5 W
System Characteristics
η Full load efficiency VINP=5.0V, VCC=5.0V, Iout=300mA, TA=25ºC, COUT=22uF 59 %
fSW Switching frequency 64.5 MHz
Table 1-5 UCC33410-Q1 EVM Electrical Characteristics VINP=5V, VCC=3.3V, TA=25°C (unless otherwise noted)
Parameter Test Conditions Min Typ Max Unit
Input Characteristics
VINP Input voltage range PVCC=1W 4.5 5 5.5 V
IIN_FL Input current at full load VINP=4.5V-5.5V, VCC=3.3V, Iout=300 mA 375 395 412 mA
IIN_NL Input current at no load VINP =5.0V, VCC=3.3V, Iout=0 mA 7 15 mA
Output Characteristics
VCC DC full load set-point VINP=4.5V-5.5V, VCC=3.3V, Iout=300 mA 3.2 3.3 3.4 V
Iout VCC load current range VINP=4.5V-5.5V 0 300 mA
VCC%LD Load regulation VINP=5.0V, VCC=3.3V, Iout =0-300mA 0.5 %
VCC(AC) pk-to-pk AC ripple 20MHz bandwidth, VINP=5.0V, VCC=3.3V, Iout=300mA, TA=25ºC, COUT=22uF 50 75 mV
PMAX Recommended maximum output power VINP=5.0V, Iout=300mA, TA=25ºC 1 W
System Characteristics
η Full load efficiency VINP=5.0V, VCC=3.3V, Iout=300mA, TA=25ºC, COUT=22uF 53 %
fSW Switching frequency 64.5 MHz
Table 1-6 UCC33020-Q1 EVM Electrical Characteristics VINP=3.3V, VCC=5V, TA=25°C (unless otherwise noted)
Parameter Test Conditions Min Typ Max Unit
Input characteristics
VINP Input voltage range 3.0 5.5 V
IIN_FL Input current at full load VINP=3.3V, VCC=5.0V, Iout=100 mA 390 415 450 mA
VINP=5.0V, VCC=5.0V, Iout=200 mA 365 400 435 mA
IIN_NL Input current at no load VINP =3.3V, VCC=5.0V, Iout=0 mA 7 15 mA
VINP =5.0V, VCC=5.0V, Iout=0 mA 7 15 mA
Output Characteristics
VCC DC full load set-point VINP=3.3V, VCC=5.0V, Iout=0-100 mA 4.85 5 5.15 V
VINP=5.0V, VCC=5.0V, Iout=0-200 mA 4.85 5 5.15 V
Iout VCC load current range VINP=3.3V, VCC=5.0V 0 100 mA
VINP=5.0V, VCC=5.0V 0 200 mA
VCC%LD Load regulation VINP=3.3V, VCC=5.0V, Iout =0-100mA 0.2 0.4 %
VINP=5.0V, VCC=5.0V, Iout =0-200mA 0.5 0.7 %
VCC(AC) pk-to-pk AC ripple 20MHz bandwidth, VINP=3.3V, VCC=5.0V, Iout=100mA, Ta=25ºC, COUT=22uF 50 75 mV
20MHz bandwidth, VINP=5.0V, VCC=5.0V, Iout=200mA, Ta=25ºC, COUT=22uF 50 75 mV
PMAX Recommended maximum output power VINP=3.3V, Iout=100mA, Ta=25ºC 0.5 W
VINP=5.0V, Iout=200mA, Ta=25ºC 1 W
System Characteristics
η Full load efficiency VINP=3.3V, VCC=5.0V, Iout=100mA, Ta=25ºC, COUT=22uF 50 %
VINP=5.0V, VCC=5.0V, Iout=200mA, Ta=25ºC, COUT=22uF 52 %
fSW Switching frequency 64.5 MHz