SLUUD39B
May 2024 – November 2024
UCC33411-Q1
,
UCC33421-Q1
1
Description
Features
Applications
5
1
Evaluation Module Overview
1.1
Introduction
1.2
Kit Contents
1.3
Device Information
1.3.1
U1 Component Selection
1.3.2
UCC33421-Q1 Pin Definition
1.4
Specification
2
Hardware
2.1
EVM Setup and Operation
2.1.1
Recommended Test Equipment
2.1.2
External Connections for Easy Evaluation
2.1.3
Powering the EVM
2.1.3.1
Power on for Start-up
2.1.3.2
Power off for Shutdown
2.1.4
EVM Test Points
2.1.5
Oscilloscope Probes: Probing the EVM
3
Implementation Results
3.1
Schematic
3.2
Performance Data
3.2.1
Efficiency Data
3.2.2
Regulation Data
3.2.3
Startup Waveforms
3.2.4
Inrush Current
3.2.5
AC Ripple Voltage
3.2.6
Load Transient
3.2.7
VCC Short-Circuit
3.2.8
Thermal Performance
4
Hardware Design Files
4.1
Assembly and Printed Circuit Board (PCB)
4.2
Bill of Materials (BOM)
5
Additional Information
5.1
Trademarks
6
Revision History
3.2.5
AC Ripple Voltage
Figure 3-14
UCC33421-Q1 VCC AC Ripple, VINP=5.0V, VCC=5.0V, I
out
=0mA
Figure 3-15
UCC33411-Q1 VCC AC Ripple, VINP=5.0V, VCC=3.3V, I
out
=0mA
Figure 3-16
UCC33421-Q1 VCC AC Ripple, VINP=5.0V, VCC=5.0V, I
out
=300mA
Figure 3-17
UCC33411-Q1 VCC AC Ripple, VINP=5.0V, VCC=3.3V, I
out
=300mA