CD5.121

CD-Series

DC/DC Converter 12V, 8A

Mar. 2016 / Rev. 1.5 DS-CD5.121-EN

All parameters are specified at 12V, 8A, 24Vdc input voltage, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.

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Germany

Mounting orientations other than input terminals on the bottom and output on the top require a reduction in

continuous output power or a limitation in the max. allowed ambient temperature. The amount of reduction

influences the lifetime expectancy of the DC/DC converter. Therefore, two different derating curves for continuous

operation can be found below:

Curve A1

Recommended output current.

Curve A2

Max allowed output current (results in approximately half the lifetime expectancy of A1).

Fig. 21-6

Mounting

Orientation A

(Standard

orientation)

DC/DC

Converter

OUTPUT

INPUT

Output Current

0

10

20

30

40

60°C

2

6

8

10A

50

Ambient Temperature

4

A1

Fig. 21-7

Mounting

Orientation B

(Upside down)

Output Current

0

10

20

30

40

60°C

2

6

8

10A

50

Ambient Temperature

4

A2

A1

Fig. 21-8

Mounting

Orientation C

(Table-top

mounting)

Output Current

0

10

20

30

40

60°C

2

6

8

10A

50

Ambient Temperature

4

A1

A2

Fig. 21-9

Mounting

Orientation D

(Horizontal cw)

Output Current

0

10

20

30

40

60°C

2

6

8

10A

50

Ambient Temperature

4

A1

A2

Fig. 21-10

Mounting

Orientation E

(Horizontal ccw)

Output Current

0

10

20

30

40

60°C

2

6

8

10A

50

Ambient Temperature

4

A1

A2

22/22