TIDT348 august   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching Waveforms
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence

Efficiency Data

Efficiency data with the 5-V output at no load is shown in the following table.

Table 2-1 PMP23331 Efficiency With 5-V Output at No Load
Input Voltage (VRMS) Input Power (W) Output Voltage (V) Output Current (A) Efficiency (%)

90

0.0647

12.05

0

0

90

3.45

12.05

0.25

87.31884

90

6.76

12.05

0.5

89.12722

90

9.948

12.05

0.75

90.84741

90

13.111

12.05

1

91.90756

90

16.318

12.05

1.25

92.30604

90

19.57

12.05

1.5

92.36076

115

0.069

12.05

0

0

115

3.476

12.05

0.25

86.66571

115

6.785

12.05

0.5

88.79882

115

10.019

12.05

0.75

90.20361

115

13.141

12.05

1

91.69774

115

16.299

12.05

1.25

92.41365

115

19.499

12.05

1.5

92.69706

230

0.117

12.05

0

0

230

3.7

12.05

0.25

81.41892

230

7.09

12.05

0.5

84.97884

230

10.336

12.05

0.75

87.43711

230

13.461

12.05

1

89.51787

230

16.58

12.05

1.25

90.84741

230

19.708

12.05

1.5

91.71402

265

0.142

12.05

0

0

265

3.799

12.05

0.25

79.29718

265

7.123

12.05

0.5

84.58515

265

10.53

12.05

0.75

85.82621

265

13.57

12.05

1

88.79882

265

16.69

12.05

1.25

90.24865

265

19.81

12.05

1.5

91.2418

400

0.128

12.05

0

0

400

3.84

12.05

0.25

78.45052

400

7.192

12.05

0.5

83.77364

400

10.424

12.05

0.75

86.69896

400

13.532

12.05

1

89.04818

400

16.628

12.05

1.25

90.58516

400

19.736

12.05

1.5

91.58391

Efficiency data with the 5-V output loaded with 0.2 A is shown in the following table.

Table 2-2 PMP23331 Efficiency With 5-V Output Loaded to 0.2 A
Input Voltage (VRMS) Input Power (W) Output Voltage1 (V) Output Current1 (A) Output Voltage2 (V) Output Current2 (A) Efficiency (%)

90

4.688

12.05

0.25

5.014

0.2

85.6505973

90

7.955

12.05

0.5

5.014

0.2

88.3444375

90

11.163

12.05

0.75

5.014

0.2

89.9426677

90

14.335

12.05

1

5.014

0.2

91.0554587

90

17.553

12.05

1.25

5.014

0.2

91.5245257

90

20.826

12.05

1.5

5.014

0.2

91.6056852

115

4.709

12.05

0.25

5.014

0.2

85.2686345

115

7.989

12.05

0.5

5.014

0.2

87.9684566

115

11.217

12.05

0.75

5.014

0.2

89.5096728

115

14.356

12.05

1

5.014

0.2

90.9222625

115

17.523

12.05

1.25

5.014

0.2

91.681219

115

20.71

12.05

1.5

5.014

0.2

92.1187832

230

4.923

12.05

0.25

5.014

0.2

81.5620557

230

8.268

12.05

0.5

5.014

0.2

85

230

11.53

12.05

0.75

5.014

0.2

87.0797918

230

14.66

12.05

1

5.014

0.2

89.0368349

230

17.76

12.05

1.25

5.014

0.2

90.4577703

230

20.89

12.05

1.5

5.014

0.2

91.3250359

265

5.073

12.05

0.25

5.014

0.2

79.1504041

265

8.44

12.05

0.5

5.014

0.2

83.2677725

265

11.65

12.05

0.75

5.014

0.2

86.1828326

265

14.765

12.05

1

5.014

0.2

88.4036573

265

17.883

12.05

1.25

5.014

0.2

89.8355981

265

21.01

12.05

1.5

5.014

0.2

90.8034269

400

5.096

12.05

0.25

5.014

0.2

78.7931711

400

8.444

12.05

0.5

5.014

0.2

83.2283278

400

11.608

12.05

0.75

5.014

0.2

86.4946589

400

14.696

12.05

1

5.014

0.2

88.8187262

400

17.796

12.05

1.25

5.014

0.2

90.2747808

400

20.896

12.05

1.5

5.014

0.2

91.2988132