For technical support and more information, see inside back cover or visit www.ti.com

Typical Characteristics

PT5022 (-5VDC)

(See Note A)

Efficiency vs Output Current

Ripple Voltage vs Output Current

Power Dissipation vs Output Current

PT5024 (-12VDC)

(See Note A)

Efficiency vs Output Current

Ripple Voltage vs Output Current

Power Dissipation vs Output Current

Iout-(Amps)

Iout-(Amps)

40

50

60

70

80

90

10 0

0

0 .1

0 .2

0 .3

0 .4

0 .5

7.0V

6.5V

6.0V

5.5V

5.0V

4.75V

Vin

Iout-(Amps)

Iout-(Amps)

Maximum Output Current - (Amps)

Maximum Output Current - (Amps)

Iout-(Amps)

Iout-(Amps)

0

0.5

1

1.5

2

0

0.1

0.2

0.3

0.4

0.5

4.75V

5.0V

5.5V

6.0V

6.5V

7.0V

Vin

0

20

40

60

80

10 0

12 0

14 0

16 0

0

0.1

0.2

0.3

0.4

0.5

4.7 5 V

5.0 V

5.5 V

6.0 V

6.5 V

7.0 V

Vin

40

50

60

70

80

90

100

0

0 .2

0 .4

0 .6

0 .8

1

7.0 V

6.5 V

6.0 V

5.5 V

5.0 V

4.7 5 V

Vin

0

0.5

1

1.5

2

2.5

0

0.2

0.4

0.6

0.8

1

4.75V

5.0V

5.5V

6.0V

6.5V

7.0V

Vin

0

20

40

60

80

10 0

0

0 .2

0 .4

0 .6

0 .8

1

4.75V

5.0V

5.5V

6.0V

6.5V

7.0V

Vin

20

30

40

50

60

70

80

90

0

0.2

0.4

0.6

0.8

1

0 LFM

60 LFM

90 LFM

Airflow

20

30

40

50

60

70

80

90

0.0

0 .1

0.2

0 .3

0.4

0 .5

90 LFM

60 LFM

0 LFM

Airflow

Positive Input/Negative Output

Integrated Switching Regulator

PT5020 Series

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:

Thermal derating graphs are developed in free-air convection cooling, which corresponds to approximately 40–60LFM of airflow.