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Note A:

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

Note B:

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

Typical Characteristics

PT7761—5V

40-A Programmable Integrated

Switching Regulator Module

50

60

70

80

90

100

0

8

16

24

32

40

Iout (A)

3.3V

2.5V

1.8V

0

10

20

30

40

50

60

0

8

16

24

32

40

Iout (A)

2.5V

1.8V

3.3V

0

4

8

12

16

20

0

8

16

24

32

40

Iout (A)

3.3V

2.5V

1.8V

Efficiency vs. Output Current

Ripple Voltage vs. Output Current

Power Dissipation vs. Output Current

20

30

40

50

60

70

80

90

0

8

16

24

32

40

Iout (A)

400LFM

200LFM

Nat conv

Airflow