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PT7711—5V

20-A Programmable

Integrated Switching Regulator

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

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

Typical Characteristics

Efficiency vs Output Current

Ripple vs Output Current

Power Dissipation vs Output Current

50

60

70

80

90

100

0

4

8

12

16

20

Iout (A)

3.3V

2.5V

1.8V

0

10

20

30

40

50

04

8

12

16

20

Iout (A)

3.3V

2.5V

1.8V

0

2

4

6

8

10

04

8

12

16

20

Iout (A)

1.8V

2.5V

3.3V

20

30

40

50

60

70

80

90

04

8

12

16

20

Iout (A)

200LFM

120LFM

60LFM

Nat conv

Airflow