CD5.241

CD-Series

DC/DC Converter 24V, 5A

Output voltage

nom.

24V

Adjustment range

min.

24-28V

*)

max.

30V

at clockwise end position of potentiometer

Factory setting

24.1V

±0.2%, at full load, cold unit

Line regulation

max.

25mV

Input voltage variations between 18 to 32.4Vdc

Load regulation

max.

100mV

static value, 0A

5A

Ripple and noise voltage

max.

50mVpp

20Hz to 20MHz, 50Ohm

Output capacitance

typ.

2 200μF

Output current

nom.

6A

at 24V, ambient < 45°C, see Fig. 5-1

nom.

5A

at 24V, ambient < 60°C, see Fig. 5-1

nom.

5.2A

at 28V, ambient < 45°C, see Fig. 5-1

nom.

4.3A

at 28V, ambient < 60°C, see Fig. 5-1

Output power

nom.

144W

for ambient temperatures < 45°C

nom.

120W

for ambient temperatures < 60°C

Short-circuit current

min.

7A

continuous current, short circuit impedance 200mOhm

max.

10A

continuous current, short circuit impedance 200mOhm

*) extended guaranteed adjustment range down to 23V.

Fig. 5-1 Output voltage vs. output current at

24Vdc input voltage, typ.

Fig. 5-2 Current limitation vs. input voltage,

(23V constant voltage load), typ.

Output Voltage

0

04

8

4

8

12

28V

16

20

24

6/22

12A

10

6

2

Adjustment

Range

Output Current

Output Current

5.8

15

21

27

5.9

6.0

6.1

6.6A

6.3

6.4

6.5

6.2

Input Voltage

30

24

18

33Vdc

Peak current capability (up to several milliseconds)

The DC/DC converter can deliver a peak current, which is higher than the specified short term current. This helps to

start current demanding loads or to safely operate subsequent circuit breakers.

The extra current is supplied by the output capacitors inside the DC/DC converter. During this event, the capacitors will

be discharged and causes a voltage dip on the output. Detailed curves can be found in chapter 21.1.

Peak current voltage dips

typ.

from 24V to 18V

at 10A for 50ms, resistive load

typ.

from 24V to 15V

at 20A for 2ms, resistive load

typ.

from 24V to 11.5V

at 20A for 5ms, resistive load

Mar. 2016 / Rev. 1.5 DS-CD5.241-EN

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

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