SLVUDN1 December   2025

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
    5. 1.5 General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
  8. 2Hardware
    1. 2.1 Additional Image
      1. 2.1.1 Using the EVM on a Load with USB-C PD Communication
      2. 2.1.2 Using the EVM on a Load Without USB-C PD Communication
  9. 3Implementation Results
    1. 3.1 Electrical Performance Specifications
    2. 3.2 Test Setup
      1. 3.2.1 Test Setup Requirements
      2. 3.2.2 Test Setup Diagram of UCG28824EVM-124
      3. 3.2.3 Test Points
    3. 3.3 Performance Data and Typical Characteristic Curves
      1. 3.3.1  Efficiency Result of 4-Point Average at 24-Vout
      2. 3.3.2  Efficiency Result of 4-Point Average on 20VOUT
      3. 3.3.3  Efficiency Result of 4-Point Average at 15VOUT
      4. 3.3.4  Efficiency Result of 4-Point Average at 12-Vout
      5. 3.3.5  Efficiency Result of 4-Point Average at 9VOUT
      6. 3.3.6  Efficiency Result of 4-Point Average at 5VOUT
      7. 3.3.7  Efficiency Typical Results
      8. 3.3.8  Output Characteristics
      9. 3.3.9  Key Switching Waveforms
      10. 3.3.10 Switching Frequency versus Load
      11. 3.3.11 Output Ripple Voltage
      12. 3.3.12 Load Transient Response
      13. 3.3.13 Line Transient Response
      14. 3.3.14 Short Term Overload Operation
      15. 3.3.15 CCM operation
      16. 3.3.16 CISPR32 Class B Conducted EMI Test Result
  10. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Transformer Details
      1. 4.3.1 ATQ18-T-325UH-W3-A
    4. 4.4 Bill of Materials
  11. 5Additional Information
    1.     Trademarks

3.1 Electrical Performance Specifications

Table 3-1 UCC28824EVM-124 Electrical Performance Specifications
PARAMETERTEST CONDITIONS

MIN

NOM

MAX

UNIT

INPUT CHARACTERISTICS

VIN

Input line voltage (RMS)

90

115/230

264

V

fLINE

Input line frequency

47

50/60

63

Hz

PSTBY

Input power at no-load

VIN = 115/230VRMS, VOUT = 5V, and IOUT = 0A, USB-C PD controller enabled

8/32

mW

P180mW

Input power at 180mW load

VIN = 230VRMS, VOUT = 5V, POUT = 180mW, USB-C PD controller enabled

260

mW

P300mW

Input power at 300mW loadVIN = 230VRMS, VOUT = 5V, POUT = 300mW, USB-C PD controller enabled

390

OUTPUT CHARACTERISTICS

VOUT

Output voltage

IOUT = 0 to 1.875A, fixed VOUT controller enabled

24

V

IOUT = 0 to 2.25A, USB-C PD controller enabled

20

V

IOUT = 0 to 3A, USB-C PD controller enabled

15

V

IOUT = 0 to 3A, fixed VOUT controller enabled

12

V

IOUT = 0 to 3A, USB-C PD controller enabled

9

V

IOUT = 0 to 3A, USB-C PD controller enabled

5

V

IOUT

Full load rated output current

VOUT = 24V

1.875

A

VOUT = 20V

2.250

A

VOUT = 5V/9V/12V/15V

3.000

A

VOUT_pp

Output voltage ripple at VIN = 115V/230V

VOUT = 24V, IOUT = 0 to 1.875A

45

mVpp

VOUT = 20V, IOUT = 0 to 2.25A

98

mVpp
VOUT = 15V, IOUT = 0 to 3A

89

mVpp
VOUT = 12V, IOUT = 0 to 3A

108

mVpp
VOUT = 9V, IOUT = 0 to 3A

136

mVpp
VOUT = 5V, IOUT = 0 to 3A

115

mVpp

VOUT_Δ

VOUT deviation due to load step Up / Down (IOUT step change between 0 and 100% load at 100Hz rate)

VOUT = 24V

-260/120

mV

VOUT = 20V

-440/330

mV

VOUT = 15V

-510/360

mV

VOUT = 12V

-410/120

mV

VOUT = 9V

-450/380

mV

VOUT = 5V

-440/460

mV

POPP

Over power protection threshold

VIN = 90 to 264VRMS

100

W

SYSTEMS CHARACTERISTICS

η

Full load efficiency at VIN = 115V/230V

VOUT = 24V, IOUT = 1.875A

94.50/95.17

%

VOUT = 20V, IOUT = 2.25A

94.44/94.96

%

VOUT = 15V, IOUT = 3A

94.16/94.56

%

VOUT = 12V, IOUT = 3A

93.81/94.31

%

VOUT = 9V, IOUT = 3A

93.66/93.56

%

VOUT = 5V, IOUT = 3A

92.36/91.62

%

η4-point average efficiency at VIN = 115V/230V(1)

VOUT = 24V (CoC Tier 2, 87.7%)

94.41/94.01

%

VOUT = 20V (CoC Tier 2, 87.7%)

94.49/94.29

%

VOUT = 15V (CoC Tier 2, 87.7%)

94.33/94.06

%

VOUT = 12V (CoC Tier 2, 86.8%)

94.12/93.19

%

VOUT = 9V (CoC Tier 2, 85.4%)

93.86/92.86

%

VOUT = 5V (CoC Tier 2, 81.8%)

92.57/91.03

%

ηEfficiency at 10% load at VIN = 115V/230VVOUT = 24V (CoC Tier 2, 77.8%)

92.24/90.10

%

VOUT = 20V (CoC Tier 2, 77.8%)

93.64/92.48

%

VOUT = 15V (CoC Tier 2, 77.8%)

94.15/92.88

%

VOUT = 12V (CoC Tier 2, 77.1%)

92.97/90.10

%

VOUT = 9V (CoC Tier 2, 75.9%)

93.67/91.30

%

VOUT = 5V (CoC Tier 2, 72.5%)

92.25/88.73

TAMB

Operating ambient temperature

VIN = 90 to 264VRMS, IOUT = 0 to 3.00A (5V/9V/15V), 2.25A (20V) , or 1.875A (24V)

25

°C

(1) Average efficiency of four load points, IOUT = 100%, 75%, 50% and 25% of rated full-load current for each respective output voltage.