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

3.3.4 Efficiency Result of 4-Point Average at 12-Vout

VIN (VRMS)

PIN (W)

VOUT (V)

IOUT (A)

POUT (W)

Pout %

EFFICIENCY

4-PT AVERAGE EFFICIENCY

90

3.96

12.10

0.305

3.69

10

93.25%

93.41%

90

9.72

12.10

0.755

9.13

25

94.00%

90

19.41

12.10

1.504

18.19

50

93.76%

90

29.17

12.10

2.252

27.25

75

93.40%

90

39.25

12.10

3.001

36.31

100

92.50%

115

3.97

12.10

0.305

3.69

10

92.97%

94.12%

115

9.71

12.10

0.755

9.13

25

94.08%

115

19.30

12.10

1.504

18.20

50

94.31%

115

28.92

12.10

2.253

27.26

75

94.28%

115

38.72

12.10

3.002

36.33

100

93.81%

230

4.10

12.10

0.305

3.69

10

90.10%

93.19%

230

10.00

12.10

0.755

9.13

25

91.36%

230

19.53

12.10

1.504

18.19

50

93.12%

230

29.00

12.10

2.253

27.26

75

93.98%

230

38.51

12.10

3.002

36.32

100

94.31%

264

4.14

12.10

0.306

3.70

10

89.32%

92.53%

264

10.12

12.10

0.755

9.13

25

90.26%

264

19.70

12.09

1.504

18.19

50

92.34%

264

29.14

12.10

2.252

27.24

75

93.46%

264

8.62

12.10

3.002

36.32

100

94.05%

CoC Tier 2, 4-pt average

86.83%

CoC Tier 2, 10%-load

77.11%