TIDT421 November   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Suggested Equipment
    3. 1.3 General Texas Instruments High Voltage Evaluation (TI HV EMV) User Safety Guidelines
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Power Factor (PF) and Input Current Total Harmonic Distortion (iTHD)
    3. 2.3 Efficiency, PF, and THD Data
    4. 2.4 Standby Power
    5. 2.5 Thermals
    6. 2.6 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence

2.3 Efficiency, PF, and THD Data

Efficiency, power factor, and input current THD data is shown in Table 2-1.

Table 2-1 Efficiency, PF, and THD Data

VIN (V)

PIN(W)

PF

iTHD

%

VOUT (V)

IOUT (A)

POUT (W)

Efficiency (%)

115.69

62.72

0.979

10.13%

22.50

1.997

44.9325

71.64%

115.51

112.47

0.991

7.44%

22.49

3.997

89.89253

79.93%

115.34

160.18

0.995

5.28%

22.48

5.997

134.8126

84.16%

115.18

208.50

0.997

4.00%

22.49

7.997

179.8525

86.26%

114.98

252.31

0.998

3.27%

22.48

9.997

224.7326

89.07%

114.74

297.76

0.998

2.81%

22.49

11.997

269.8125

90.61%

114.56

344.76

0.999

2.56%

22.48

13.997

314.6526

91.27%

114.40

392.93

0.999

2.45%

22.49

15.997

359.7725

91.56%

114.30

466.02

0.999

2.47%

22.48

18.997

427.0526

91.64%

114.25

423.60

0.999

2.46%

20.51

18.979

389.2593

91.89%

114.57

380.63

0.999

2.48%

18.51

18.917

350.1537

91.99%

114.67

338.74

0.999

2.6%

16.51

18.893

311.9234

92.08%

114.85

297.18

0.998

2.85%

14.51

18.898

274.2100

92.27%

115.01

256.56

0.998

3.23%

12.51

18.901

236.4515

92.16%

115.15

218.85

0.997

3.79%

10.51

18.909

198.7336

90.81%

115.37

163.12

0.995

5.14%

7.52

18.897

142.1054

87.12%

230.08

61.37

0.921

18.70%

22.50

1.997

44.9325

73.22%

230.02

109.67

0.957

17.47%

22.50

3.997

89.9325

82.00%

229.96

157.63

0.97512.76%

22.48

5.997

134.8126

85.52%

229.89

205.43

0.987

5.76%

22.49

7.997

179.8525

87.55%

229.82

249.34

0.991

4.21%

22.49

9.997

224.8325

90.17%

229.60

293.58

0.993

3.78%

22.48

11.997

269.6926

91.86%

229.62

340.18

0.994

3.36%

22.49

13.997

314.7925

92.54%

229.57

387.17

0.995

3.00%

22.49

15.997

359.7724

92.92%

229.47

458.41

0.996

2.61%

22.49

18.997

427.2425

93.20%

229.53

417.17

0.996

2.91%

20.51

18.984

389.3618

93.33%

229.59

374.69

0.995

3.16%

18.50

18.920

350.0200

93.42%

229.64

335.16

0.994

3.49%

16.51

18.975

313.2773

93.47%

229.70

292.95

0.993

3.74%

14.50

18.901

274.0645

93.55%

229.75

252.94

0.991

3.94%

12.50

18.903

236.2875

93.42%

229.84

215.65

0.989

4.81%

10.51

18.911

198.7546

92.17%

229.92

159.75

0.977

12.43

7.50

18.890

141.6750

88.69%