TIDT257A February   2022  – October 2022

 

  1.   Description
  2.   Features
  3.   Application
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
      1. 2.2.1 THD Optimization
    3. 2.3 Thermal Images
      1. 2.3.1 Low-Side GaN Junction Temperature
    4. 2.4 Thermal Mechanical Design
      1. 2.4.1 Design Parameters
      2. 2.4.2 Thermal Resistance Calculation
      3. 2.4.3 Heat-Sink Diagrams
    5. 2.5 EMI
  6. 3Waveforms
    1. 3.1 AC Drop
    2. 3.2 Load Transients
    3. 3.3 Start-Up Sequence

2.2 Efficiency Data

Table 2-1 and Table 2-2 display the 120 VAC and 230 VAC efficiency data.

Table 2-1 120 VAC Efficiency
% LoadInput Voltage (VRMS)Input Current (ARMS)Input Power (W)Output Voltage (V)Output Current (A)Output Power (W)Efficiency (%)

4%

120.05

0.77

88.13

382.28

0.21

80.02

90.80

5%

120.04

0.85

98.32

282.81

0.24

90.16

91.61

8%

119.97

1.30

145.08

382.43

0.38

145.08

94.29

10%

119.93

21.58

186.84

382.75

0.46

177.51

95.02

17%

119.77

2.59

308.30

382.32

0.78

296.78

96.26

20%

119.68

3.14

375.26

382.84

0.95

362.49

96.64

25%

119.66

3.87

462.25

382.37

1.17

448.82

97.09

33%

119.46

5.16

615.39

382.42

1.57

600.56

97.59

42%

119.36

6.47

770.37

382.33

1.97

752.50

97.68

50%

119.15

7.79

925.95

382.54

2.36

904.51

97.69

58%

119.04

9.09

1080.44

382.21

2.76

1055.87

97.73

67%

118.87

10.43

1237.97

382.51

3.16

1208.33

97.61

75%

118.75

11.57

1371.55

382.34

3.50

1337.42

97.51

83%

118.60

13.12

1552.80

382.57

3.95

1511.82

97.36

92%

118.37

14.49

1713.16

382.87

4.35

1664.92

97.18

100%

118.23

15.88

1874.88

383.03

4.75

1818.05

96.97

Table 2-2 230 VAC Efficiency
% LoadInput Voltage (VRMS)Input Current (ARMS)Input Power (W)Output Voltage (V)Output Current (A)Output Power (W)Efficiency (%)

4%

230.21

0.72

153.16

382.23

0.38

145.37

94.91

5%

230.19

0.85

185.33

382.79

0.46

177.21

95.58

8%

230.10

1.36

307.08

382.33

0.77

297.13

96.76

10%

230.06

1.64

371.96

382.78

0.95

362.51

97.44

17%

229.90

2.67

610.42

382.19

1.57

600.31

98.34

20%

229.88

3.2

732.46

382.68

1.88

720.73

98.35

25%

229.79

4.00

917.31

382.41

2.36

904.25

98.58

33%

229.58

5.34

1223.96

382.38

3.16

1207.92

98.69

41%

229.47

6.68

1530.36

382.43

3.95

1511.31

98.76

50%

230.05

7.99

1837.48

382.32

4.75

1814.72

98.76

58%

229.94

9.32

2142.20

382.00

5.54

2116.28

98.79

67%

229.82

10.68

2454.77

382.57

6.33

2423.00

98.72

75%

229.59

12.04

2763.84

382.63

7.13

2726.59

98.66

83%

229.46

13.41

3074.80

382.56

7.92

3030.79

98.57

92%

228.55

14.80

3379.92

382.95

8.69

3327.10

98.44

100%

228.31

16.18

3692.35

382.88

9.48

3630.65

98.33