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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

PT4482—48V

100-W 30-A Programmable

Isolated DC/DC Converter

Efficiency vs Output Current

Ripple vs Output Current

Power Dissipation vs Output Current

Stand Alone, No Heatsink

20

30

40

50

60

70

80

90

0

5

10

15

20

25

30

Iout (A)

500LFM

400LFM

300LFM

200LFM

100LFM

Nat conv

Airflow

50

60

70

80

90

100

0

5

10

15

20

25

30

Iout (A)

48.0V

75.0V

36.0V

0

20

40

60

80

100

0

5

10

15

20

25

30

Iout (A)

75.0V

48.0V

36.0V

0

4

8

12

16

20

0

5

10

15

20

25

30

Iout (A)

36.0V

75.0V

48.0V