TIDT403A August   2024  – December 2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Performance
    4. 2.4 Bode Plots
    5. 2.5 Light Load Efficiency Optimization
    6. 2.6 Switching Frequency Choice
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Overcurrent Protection
    4. 3.4 Load Transients
    5. 3.5 Turn ON and OFF
  8. 4References
  9.   Trademarks

Efficiency Data

Efficiency data is shown in Table 2-1 through Table 2-8.

Table 2-1 Efficiency at 200Vin, 9Vout

Vin (V)

Iin (A)

Pin (W)

Vout (V)

Iout (A)

Pout (W)

Ploss (W)

Efficiency

199.8

0.962

192.2076

8.98

20

179.6

12.6076

93.44%

199.6

1.872

373.6512

8.94

40

357.6

16.0512

95.70%

199.5

2.802

558.999

8.93

60

535.8

23.199

95.85%

199.3

3.759

749.1687

8.93

80

714.4

34.7687

95.36%

199.2

4.746

945.4032

8.94

100

894

51.4032

94.56%

199.1

5.763

1147.413

8.97

120

1076.4

71.0133

93.81%

198.9

6.823

1357.095

9.01

140

1261.4

95.6947

92.95%

198.6

7.739

1536.965

8.85

160

1416

120.9654

92.13%

198.3

8.787

1742.462

8.85

180

1593

149.4621

91.42%

198.1

9.845

1950.295

8.85

200

1770

180.2945

90.76%

197.9

10.91

2159.089

8.85

220

1947

212.089

90.18%

197.3

12.56

2478.088

8.85

250

2212.5

265.588

89.28%

Table 2-2 Efficiency at 200Vin, 13.5Vout

Vin (V)

Iin (A)

Pin (W)

Vout (V)

Iout (A)

Pout (W)

Ploss (W)

Efficiency

198.9

1.42

282.438

13.58

20

271.6

10.838

96.16%

198.7

2.8

556.36

13.57

40

542.8

13.56

97.56%

198.5

4.2

833.7

13.56

60

813.6

20.1

97.59%

198.3

5.616

1113.653

13.55

80

1084

29.6528

97.34%

198

7.052

1396.296

13.52

100

1352

44.296

96.83%

197.7

8.502

1680.845

13.48

120

1617.6

63.2454

96.24%

197.4

10

1974

13.49

140

1888.6

85.4

95.67%

197.3

11.52

2272.896

13.51

160

2161.6

111.296

95.10%

197.1

13.05

2572.155

13.49

180

2428.2

143.955

94.40%

196.7

14.63

2877.721

13.37

200

2674

203.721

92.92%

Table 2-3 Efficiency at 320Vin, 9Vout

Vin (V)

Iin (A)

Pin (W)

Vout (V)

Iout (A)

Pout (W)

Ploss (W)

Efficiency

318.9

0.644

205.3716

8.99

20

179.8

25.5716

87.55%

318.6

1.223

389.6478

9.02

40

360.8

28.8478

92.60%

318.5

1.806

575.211

9.03

60

541.8

33.411

94.19%

318.3

2.398

763.2834

9.02

80

721.6

41.6834

94.54%

318.2

2.987

950.4634

8.98

100

898

52.4634

94.48%

318.1

3.588

1141.343

8.96

120

1075.2

66.1428

94.20%

318

4.198

1334.964

8.93

140

1250.2

84.764

93.65%

318.2

4.793

1525.133

8.88

160

1420.8

104.3326

93.16%

318.1

5.433

1728.237

8.87

180

1596.6

131.6373

92.38%

318

6.081

1933.758

8.87

200

1774

159.758

91.74%

317.9

6.742

2143.282

8.86

220

1949.2

194.0818

90.94%

317.7

7.774

2469.8

8.83

250

2207.5

262.2998

89.38%

Table 2-4 Efficiency at 320Vin, 13.5Vout

Vin (V)

Iin (A)

Pin (W)

Vout (V)

Iout (A)

Pout (W)

Ploss (W)

Efficiency

318.7

0.929

296.0723

13.52

20

270.4

25.6723

91.33%

318.6

1.79

570.294

13.52

40

540.8

29.494

94.83%

318.4

2.652

844.3968

13.51

60

810.6

33.7968

96.00%

318.2

3.522

1120.7

13.48

80

1078.4

42.3004

96.23%

318

4.402

1399.836

13.46

100

1346

53.836

96.15%

317.9

5.29

1681.691

13.45

120

1614

67.691

95.97%

317.7

6.199

1969.422

13.44

140

1881.6

87.8223

95.54%

317.6

7.118

2260.677

13.42

160

2147.2

113.4768

94.98%

317.3

8.039

2550.775

13.4

180

2412

138.7747

94.56%

317.2

8.991

2851.945

13.4

200

2680

171.9452

93.97%

317.4

9.918

3147.973

13.36

220

2939.2

208.7732

93.37%

317.3

11.4

3617.22

13.38

250

3345

272.22

92.47%

Table 2-5 Efficiency at 320Vin, 16Vout

Vin (V)

Iin (A)

Pin (W)

Vout (V)

Iout (A)

Pout (W)

Ploss (W)

Efficiency

320.3

1.088

348.4864

16

20

320

28.4864

91.83%

320

2.096

670.72

16

40

640

30.72

95.42%

319.7

3.111

994.5867

15.98

60

958.8

35.7867

96.40%

319.6

4.137

1322.185

15.95

80

1276

46.1852

96.51%

319.4

5.186

1656.408

15.96

100

1596

60.4084

96.35%

319.2

6.251

1995.319

15.95

120

1914

81.3192

95.92%

319.1

7.304

2330.706

15.89

140

2224.6

106.1064

95.45%

318.8

8.484

2704.699

16.06

160

2569.6

135.0992

95.01%

318.6

9.61

3061.746

16.08

180

2894.4

167.346

94.53%

318.4

10.72

3413.248

16.07

200

3214

199.248

94.16%

318.3

11.88

3781.404

16.05

220

3531

250.404

93.38%

Table 2-6 Efficiency at 400Vin, 9Vout

Vin (V)

Iin (A)

Pin (W)

Vout (V)

Iout (A)

Pout (W)

Ploss (W)

Efficiency

398.7

0.542

216.0954

8.96

20

179.2

36.8954

82.93%

398.6

1.003

399.7958

8.98

40

359.2

40.5958

89.85%

398.5

1.463

583.0055

8.96

60

537.6

45.4055

92.21%

398.5

1.93

769.105

8.95

80

716

53.105

93.10%

398.4

2.403

957.3552

8.94

100

894

63.3552

93.38%

398.3

2.881

1147.502

8.93

120

1071.6

75.9023

93.39%

398.2

3.363

1339.147

8.91

140

1247.4

91.7466

93.15%

398.1

3.851

1533.083

8.9

160

1424

109.0831

92.88%

398.1

4.355

1733.726

8.89

180

1600.2

133.5255

92.30%

398.1

4.873

1939.941

8.9

200

1780

159.9413

91.76%

398

5.299

2109.002

8.71

220

1916.2

192.802

90.86%

Table 2-7 Efficiency at 400Vin, 13.5Vout

Vin (V)

Iin (A)

Pin (W)

Vout (V)

Iout (A)

Pout (W)

Ploss (W)

Efficiency

398.8

0.771

307.4748

13.56

20

271.2

36.2748

88.20%

398.5

1.464

583.404

13.55

40

542

41.404

92.90%

398.3

2.155

858.3365

13.54

60

812.4

45.9365

94.65%

398.2

2.855

1136.861

13.54

80

1083.2

53.661

95.28%

398

3.563

1418.074

13.54

100

1354

64.074

95.48%

397.9

4.279

1702.614

13.53

120

1623.6

79.0141

95.36%

397.9

4.99

1985.521

13.51

140

1891.4

94.121

95.26%

397.8

5.72

2275.416

13.5

160

2160

115.416

94.93%

397.8

6.433

2559.047

13.42

180

2415.6

143.4474

94.39%

397.7

7.065

2809.751

13.19

200

2638

171.7505

93.89%

397.5

7.932

3152.97

13.4

220

2948

204.97

93.50%

397.5

9.117

3624.008

13.44

250

3360

264.0075

92.72%

Table 2-8 Efficiency at 400Vin, 16Vout

Vin (V)

Iin (A)

Pin (W)

Vout (V)

Iout (A)

Pout (W)

Ploss (W)

Efficiency

400.6

0.903

361.7418

15.99

20

319.8

41.9418

88.41%

400.3

1.706

682.9118

16.01

40

640.4

42.5118

93.77%

400.1

2.52

1008.252

16.02

60

961.2

47.052

95.33%

399.9

3.342

1336.466

16.01

80

1280.8

55.6658

95.83%

399.7

4.165

1664.751

15.96

100

1596

68.7505

95.87%

399.6

5.013

2003.195

15.96

120

1915.2

87.9948

95.61%

399.5

5.884

2350.658

16

140

2240

110.658

95.29%

399.3

6.778

2706.455

16.04

160

2566.4

140.0554

94.83%

399.1

7.649

3052.716

16.02

180

2883.6

169.1159

94.46%

399

8.571

3419.829

16.05

200

3210

209.829

93.86%

398.9

9.519

3797.129

16.09

220

3539.8

257.3291

93.22%