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PTB78560B Characteristic Data (V

(3) (4)

0

15

0

1

5

10

35

20

25

30

50

45

40

2

3

5

6

7

8

4

0

2

0

2

1

3

7

5

6

8

4

4

6

8

0

50

45

2

40

55

70

65

60

75

80

4

6

8

85

40

30

20

70

60

50

90

80

0

1

2

3

5

6

7

8

4

400 LFM

200 LFM

100 LFM

0 LFM

(Natural Convection)

40

30

20

70

60

50

90

80

0

1

2

3

5

6

7

8

4

400 LFM

200 LFM

100 LFM

0 LFM

(Natural Convection)

PTB78560A, PTB78560B

PTB78560C

SLTS249 – JUNE 2005

TYPICAL CHARACTERISTICS (continued)

EFFICIENCY

POWER DISSIPATION

OUTPUT VOLTAGE RIPPLE

vs

vs

vs

OUTPUT CURRENT

OUTPUT CURRENT

OUTPUT CURRENT

Figure 6.

Figure 7.

Figure 8.

TEMPERATURE DERATING

TEMPERATURE DERATING

vs

vs

Figure 9.

Figure 10.

(3)

All data listed in Figure 6, Figure 8, and Figure 7 have been developed from actual products tested at 25°C. This data is considered

typical data for the dc-dc converter.

(4)

The temperature derating curves represent operating conditions at which internal components are at or below manufacturer's maximum

rated operating temperature. Derating limits apply to modules soldered directly to a 100–mm × 100–mm, double-sided PCB with 2 oz.

copper. Applies to Figure 9, and Figure 10.

9

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