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PT5520 Series

1.5-A 5-V/3.3-V Input Adjustable

Integrated Switching Regulator

40

50

60

70

80

90

100

0

0.3

0.6

0.9

1.2

1.5

Iout (A)

PT5521

PT5522

PT5523

PT5524

PT5525

PT5526

PT5527

0

5

10

15

20

0

0.3

0.6

0.9

1.2

1.5

Iout (A)

PT5522

PT5523

PT5524

PT5521

PT5525

PT5526

PT5527

0

0.2

0.4

0.6

0.8

1

0

0.3

0.6

0.9

1.2

1.5

Iout (A)

PT5521

PT5522

PT5523

PT5524

PT5525

PT5526

PT5527

40

50

60

70

80

90

100

0

0.3

0.6

0.9

1.2

1.5

Iout (A)

PT5522

PT5523

PT5524

PT5525

PT5526

PT5527

0

5

10

15

20

0

0.3

0.6

0.9

1.2

1.5

Iout (A)

PT5522

PT5523

PT5524

PT5525

PT5526

PT5527

0

0.15

0.3

0.45

0.6

0.75

0

0.3

0.6

0.9

1.2

1.5

Iout (A)

PT5522

PT5523

PT5524

PT5525

PT5526

PT5527

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

Note A:

Characteristic data 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 internal components are at or below manufacturer’s maximum rated operating temperatures.

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

0.0

0.3

0.6

0.9

1.2

1.5

Iout (A)

200LFM

120LFM

60LFM

Nat conv

Airflow

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

0.0

0.3

0.6

0.9

1.2

1.5

Iout (A)

200LFM

120LFM

60LFM

Nat conv

Typical Characteristics