SLUUBZ3C
May 2020 – October 2022
LMG2610
,
UCC28782
1
Using the UCC28782EVM-030 65-W USB-C PD High-Density Active-Clamp Flyback Converter
Trademarks
2
General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
3
Description
4
Electrical Performance Specifications
5
Schematic Diagram
6
Description
6.1
Typical Application
6.2
Using the EVM on a Load with USB-C PD Communication
6.3
Using the EVM on a Load without USB-C PD Communication
7
Test Setup
7.1
Test Setup Requirements
7.2
Test Setup Diagram
7.3
Test Points
8
Performance Data and Typical Characteristic Curves
8.1
Efficiency Result of 4-Point Average on 20-Vout
8.2
Efficiency Result of 4-Point Average at 15-Vout
8.3
Efficiency Result of 4-Point Average at 9-Vout
8.4
Efficiency Result of 4-Point Average at 5-Vout
8.5
Efficiency Typical Results
8.6
Output Characteristics
8.7
Switching Frequency
8.8
Key Switching Waveforms and Operation Mode Load Current
8.9
Start Up
8.10
Output Voltage Adjustment by USB-C PD
8.11
Line Transient Response
8.12
Output Ripple Voltage
8.13
Boost Function for VDD Bias
29
8.14
X-Capacitor Discharge
8.15
USB-C PD Over Current Limit
8.16
Load Transient Response
8.17
EN55022 Class B Conducted EMI Test Result
8.18
Thermal Images at Full Load (20V and 3.25 A)
9
Transformer Details
10
EVM Assembly and Layout
11
List of Materials
12
Revision History
8.6
Output Characteristics
Figure 8-5
V
OUT
at Full-Load vs. Input Voltge
Figure 8-6
V
OUT
vs. Output Current