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PT4850 Series

25-A Triple Output Isolated DC/DC

Converter For Logic Applications

Efficiency vs Output Load

PT4855 Performance Characteristics

(See Note A)

Typical Characteristics

Note A:

All Characteristic data in the above graphs has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.

Note B:

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

Power Dissipation vs Output Load

20

30

40

50

60

70

80

90

0

20

406080

100

Output Load (%)

500LFM

400LFM

300LFM

200LFM

100LFM

Nat conv

Airflow

0

4

8

12

16

0

204060

80

100

Output Load (%)

75V

48V

36V

SLTS166C - FEBRUARY 2002 - REVISED MARCH 2003

50

60

70

80

90

0

20406080

100

Output Load (%)

36V

48V

75V