PT4311 datasheet(5/9 Pages) TI

Part #	PT4311

Description	6-W Low-Profile Dual-Output Isolated DC/DC Converter

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Manufacturer	TI [Texas Instruments]

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Typcial Characteristics

PT4310 Series —48V

6-W Low-Profile Dual-Output

Isolated DC/DC Converter

Note A:

The above characteristic data has been developed from actual products tested at 25°C and Vin =53V. This data is considered typical data for the converter.

Note C:

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

Io1 =0 to 0.25 A, |Io2|=0.25 A, VIN =38–75 V

PT4313 Safe Operating Area Curves (See Note C)

PT4313; Io1 =0 to 0.45 A, |Io2| =0.05 A

Load Regulation, Vox vs Iox with Ioy =0.05 A & VIN =53 V

PT4313 (±12 V) Characteristic Data (See Note A)

Cross Regulation, Vox vs Ioy with Iox =0.05 A & VIN =53 V

Io1 =0 to 1 A, |Io2| =0.2 A, VIN =38–75 V

PT4311 Safe Operating Area Curves (See Note C)

PT4311 (±5 V) Characteristic Data (See Note A)

PT4311; Io1 =0 to 0.6 A, |Io2| =0.6 A

20

30

40

50

60

70

80

90

0

0.1

0.2

0.3

0.4

0.5

0.6

Io1 (A)

200LFM

120LFM

Nat conv

Airflow

20

30

40

50

60

70

80

90

0

0.2

0.4

0.6

0.8

1

Io1 (A)

200LFM

120LFM

Nat conv

Airflow

-4.0%

-2.0%

0.0%

2.0%

4.0%

0

0.1

0.2

0.3

0.4

0.5

Io1 : Io2 (A)

Vo 1 / Io 1

Vo 2 / Io 2

-1.0%

-0.5%

0.0%

0.5%

1.0%

0

0.1

0.2

0.3

0.4

0.5

Io1 : Io2 (A)

Vo 1 / Io 2

Vo 2 / Io 1

-1.0%

-0.5%

0.0%

0.5%

1.0%

0

0.2

0.4

0.6

0.8

1

1.2

Io1 : Io2 (A)

Vo 1 / Io 2

Vo 2 / Io 1

Cross Regulation, Vox vs Ioy with Iox =0.2 A & VIN =53 V

-4.0%

-2.0%

0.0%

2.0%

4.0%

0

0.2

0.4

0.6

0.8

1

1.2

Io1 : Io2 (A)

Vo 1 / Io 1

Vo 2 / Io 2

Load Regulation, Vox vs Iox with Ioy =0.2 A & VIN =53 V

SLTS146B - MARCH 2001 - REVISED MAY 2004

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

0.00

0.05

0.10

0.15

0.20

0.25

Io1 (A)

60LFM

Nat conv

Airflow

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

0.0

0.1

0.2

0.3

0.4

Io1 (A)

200LFM

120LFM

60LFM

Nat conv

Airflow

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