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Note A:

Characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the Converter.

Note B:

SOA curves represent the conditions at which internal components are at or below the manufacturer’s maximum operating temperatures

Typical Characteristics

PT4120 Series

20-W 48-V Input Isolated

DC/DC Converter

Efficiency vs Output Current

Efficiency vs Output Current

Ripple vs Output Current

Ripple vs Output Current

Power Dissipation vs Output Current

Power Dissipation vs Output Current

Efficiency vs Output Current

Ripple vs Output Current

Power Dissipation vs Output Current

50

60

70

80

90

012345

Iout (A)

36.0V

48.0V

75.0V

0

2

4

6

8

10

12

012345

Iout (A)

75.0V

48.0V

36.0V

0

1

2

3

4

5

6

0

123

45

Iout (A)

75.0V

48.0V

36.0V

50

55

60

65

70

75

80

85

90

0

0.5

1

1.5

2

2.5

3

3.5

4

Iout (A)

36.0V

48.0V

75.0V

0

2

4

6

8

10

12

14

16

0

0.5

1

1.5

2

2.5

3

3.5

4

Iout (A)

75.0V

48.0V

36.0V

0

1

2

3

4

5

6

0

0.5

1

1.5

2

2.5

3

3.5

4

Iout (A)

75.0V

48.0V

36.0V

50

55

60

65

70

75

80

85

90

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

Iout (A)

36.0V

48.0V

75.0V

0

10

20

30

40

50

60

70

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

Iout (A)

75.0V

48.0V

36.0V

0

1

2

3

4

5

6

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

Iout (A)

75.0V

48.0V

36.0V

20

30

40

50

60

70

80

90

012

34

5

Iout (A)

200LFM

120LFM

60LFM

Nat conv

Airflow

20

30

40

50

60

70

80

90

0

1234

Iout (A)

200LFM

120LFM

60LFM

Nat conv

Airflow

20

30

40

50

60

70

80

90

0

0.25

0.5

0.75

1

1.25

1.5

1.75

Iout (A)

200LFM

120LFM

60LFM

Nat conv

Airflow