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Typical Characteristics

0

0.5

1

1.5

2

2.5

3

9

111315

171921232527

0

0.5

1

1.5

2

2.5

3

16

19

22

25

28

31

34

37

0

0.5

1

1.5

2

2.5

3

9

131721

25293337

PT6303, 3.3 VDC

(See Note A)

PT6302, 5.0 VDC

(See Note A)

Efficiency vs Output Current

Ripple vs Output Current

(See Note B)

Power Dissipation vs Output Current

Iout-(Amps)

Iout-(Amps)

Iout-(Amps)

Iout-(Amps)

Iout-(Amps)

Iout-(Amps)

Iout-(Amps)

Iout-(Amps)

Iout-(Amps)

Vin-(Volts)

Vin-(Volts)

Vin-(Volts)

40

50

60

70

80

90

100

00.5

11.5

22.5

3

9.0V

12.0V

15.0V

20.0V

26.0V

Vin

40

50

60

70

80

90

100

00.5

11.5

22.5

3

9.0V

12.0V

15.0V

24.0V

30.0V

38.0V

Vin

40

50

60

70

80

90

100

0

0.5

1

1.5

2

2.5

3

16.0V

20.0V

24.0V

30.0V

38.0V

Vin

0

20

40

60

80

100

120

140

160

00.5

1

1.522.5

3

26.0V

20.0V

15.0V

12.0V

9.0V

V

Vin

0

20

40

60

80

100

120

140

160

180

00.511.522.5

3

38.0V

30.0V

24.0V

15.0V

12.0V

9.0V

Vin

0

50

100

150

200

250

300

350

00.511.522.5

3

38.0V

30.0V

24.0V

20.0V

16.0V

Vin

0

0.5

1

1.5

2

2.5

3

3.5

0

0.5

1

1.5

2

2.5

3

26.0V

20.0V

15.0V

12.0V

9.0V

Vin

0

0.5

1

1.5

2

2.5

3

3.5

0

0.5

1

1.5

2

2.5

3

38.0V

30.0V

24.0V

15.0V

12.0V

9.0V

Vin

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

00.5

11.5

22.5

3

38.0V

30.0V

24.0V

20.0V

16.0V

Vin

70°C

50°C

Note A:

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

Note B:

Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. (See Thermal Application note.)

50°C

60°C

40°C

70°C

85°C

70°C

85°C

60°C

60°C

(See Note B)

(See Note B)

Ripple vs Output Current

Ripple vs Output Current

Efficiency vs Output Current

Efficiency vs Output Current

Power Dissipation vs Output Current

Power Dissipation vs Output Current

3 Amp Adjustable Positive Step-down

Integrated Sw itching Regulators

PT6300 Series