SLVT221 June   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  7. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  8. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-up and Shutdown Sequence
  9.   Trademarks

Efficiency Data

This section details the efficiency data at various input voltages and load current demands.

Table 2-1 20VIN Efficiency and Power Loss Across Load
Vin

Iin

Vout Iout Eff Ploss (W)

19.99

0.04

4.98

0.02

10.99%

0.67

19.99

0.53

4.98

1.97

92.43%

0.80

19.99

1.05

4.98

3.96

94.26%

1.21

19.99

1.56

4.98

5.96

95.12%

1.53

19.99

2.07

4.98

7.96

95.64%

1.80

19.99

2.59

4.98

9.96

95.91%

2.11

19.99

3.10

4.98

11.96

96.03%

2.46

19.99

3.62

4.98

13.95

96.06%

2.84

19.99

4.14

4.98

15.95

96.04%

3.27

19.99

4.66

4.98

17.95

95.99%

3.74

19.99

5.19

4.98

19.95

95.91%

4.24

19.99

5.71

4.98

21.95

95.82%

4.77

19.99

6.24

4.98

23.95

95.71%

5.37

19.99

6.77

4.98

25.95

95.58%

5.98

19.99

7.30

4.98

27.95

95.45%

6.65

19.99

7.83

4.98

29.95

95.31%

7.34

19.99

8.37

4.98

31.95

95.16%

8.10

19.99

8.91

4.98

33.95

95.00%

8.90

19.99

9.45

4.98

35.95

94.84%

9.75

19.99

9.99

4.98

37.95

94.67%

10.65

19.99

10.54

4.98

39.95

94.49%

11.62

19.99

11.09

4.98

41.95

94.30%

12.62

19.99

11.64

4.98

43.95

94.11%

13.71

19.99

12.19

4.98

45.95

93.91%

14.85

19.99

12.75

4.98

47.95

93.69%

16.09

19.99

13.32

4.98

49.95

93.47%

17.38

Table 2-2 48VIN Efficiency and Power Loss Across Load
Vin Iin Vout Iout Eff Ploss (W)

47.99

0.05

4.99

0.02

4.15%

2.30

47.99

0.26

4.99

1.97

79.43%

2.52

47.99

0.47

4.99

3.96

87.82%

2.74

47.99

0.69

4.99

5.96

89.93%

3.34

47.99

0.91

4.99

7.96

90.62%

4.09

47.99

1.13

4.99

9.96

91.54%

4.59

47.99

1.35

4.99

11.96

92.13%

5.09

47.99

1.57

4.99

13.95

92.54%

5.59

47.99

1.79

4.98

15.95

92.80%

6.15

47.99

2.01

4.98

17.95

92.97%

6.79

47.99

2.23

4.98

19.95

93.09%

7.38

47.99

2.45

4.98

21.95

93.15%

8.02

47.99

2.67

4.98

23.95

93.18%

8.71

47.99

2.89

4.98

25.95

93.17%

9.50

47.99

3.12

4.98

27.95

93.14%

10.24

47.99

3.34

4.98

29.95

93.08%

11.11

47.99

3.57

4.98

31.95

93.00%

12.03

47.99

3.80

4.98

33.95

92.90%

12.96

47.99

4.02

4.98

35.95

92.79%

13.92

47.99

4.25

4.98

37.95

92.67%

14.95

47.99

4.48

4.98

39.95

92.54%

16.07

47.99

4.72

4.98

41.95

92.39%

17.25

47.99

4.95

4.98

43.95

92.23%

18.46

47.99

5.18

4.98

45.95

92.07%

19.72

47.99

5.42

4.98

47.95

91.89%

21.09

47.99

5.66

4.98

49.95

91.70%

22.54

Table 2-3 60VIN Efficiency and Power Loss Across Load

Vin

Iin

Vout

Iout

Eff

Ploss (W)

59.99

0.06

4.99

0.02

2.88%

3.44

59.99

0.22

4.99

1.97

74.58%

3.33

59.99

0.40

4.99

3.96

83.26%

3.99

59.99

0.58

4.99

5.96

85.70%

4.95

59.99

0.76

4.99

7.96

87.58%

5.60

59.99

0.93

4.99

9.96

88.96%

6.15

59.99

1.11

4.99

11.96

89.85%

6.74

59.99

1.28

4.99

13.95

90.47%

7.35

59.99

1.46

4.99

15.95

90.90%

7.93

59.99

1.64

4.99

17.95

91.20%

8.64

59.99

1.81

4.98

19.95

91.43%

9.32

59.99

1.99

4.98

21.95

91.56%

10.09

59.99

2.17

4.98

23.95

91.66%

10.86

59.99

2.35

4.98

25.95

91.72%

11.69

59.99

2.53

4.98

27.95

91.75%

12.53

59.99

2.71

4.98

29.95

91.72%

13.47

59.99

2.90

4.98

31.95

91.68%

14.43

59.99

3.08

4.98

33.95

91.62%

15.53

59.99

3.26

4.98

35.95

91.53%

16.56

59.99

3.45

4.98

37.95

91.43%

17.69

59.99

3.64

4.98

39.95

91.31%

18.95

59.99

3.82

4.98

41.95

91.17%

20.25

59.99

4.01

4.98

43.95

91.01%

21.63

59.99

4.20

4.98

45.95

90.84%

23.06

59.99

4.39

4.98

47.95

90.65%

24.66

59.99

4.59

4.98

49.95

90.45%

26.33