Puls CD5.121 DC/DC Converter Specification Guide
CD5.121
CD-Series
DC/DC Converter 12V, 8A
13. E
NVIRONMENT
Operational temperature
*)
-25°C to +70°C (-13°F to 158°F)
reduce output power according Fig. 13-1
Storage temperature
-40 to +85°C (-40°F to 185°F)
for storage and transportation
Output de-rating
1.25W/°C
45-60°C (113°F to 140°F)
2.5W/°C
60-70°C (140°F to 158°F)
Humidity
**)
5 to 95% r.H.
IEC 60068-2-30
Vibration sinusoidal
2-17.8Hz: ±1.6mm; 17.8-500Hz: 2g
2 hours / axis
2 hours / axis
IEC 60068-2-6
Shock
30g 6ms, 20g 11ms
3 bumps / direction, 18 bumps in total
3 bumps / direction, 18 bumps in total
IEC 60068-2-27
Altitude
0 to 6000m (0 to 20 000ft)
reduce output power or ambient temperature
above 2000m sea level.
above 2000m sea level.
Altitude de-rating
6W/1000m or 5°C/1000m
above 2000m (6500ft), see Fig. 13-2
Over-voltage category
III
IEC 62103, EN 50178, altitudes up to 2000m
II
altitudes from 2000m to 6000m
Degree of pollution
2
IEC 62103, EN 50178, not conductive
*) Operational temperature is the same as the ambient temperature and is defined as the air temperature 2cm below the unit.
**) Do not energize while condensation is present
**) Do not energize while condensation is present
Fig. 13-1 Output current vs. ambient temp.
Fig. 13-2 Output current vs. altitude at 24V
0
-25
0
20
45
70°C
2
4
6
8
10A
60
Ambient Temperature
Allowable Output
Current at 12V
Current at 12V
short term
0
0
2000
4000
6000m
2
4
6
8
10A
Altitude
A... Tamb < 60°C
B... Tamb < 50°C
C... Tamb < 40°C
C
B
B
A
short term
Allowable Output
Current at 12V
Current at 12V
14. P
ROTECTION
F
EATURES
Output protection
Electronically protected against overload, no-load and short-circuits
*)
Output over-voltage protection typ.
16.5Vdc
max. 16.8Vdc
in case of an internal power supply defect, a redundant
circuit limits the maximum output voltage. The output
shuts down and automatically attempts to restart.
circuit limits the maximum output voltage. The output
shuts down and automatically attempts to restart.
Reverse input polarity protection Included
unit does not start when input voltage is reversed
Output over-current protection electronically
limited
*)
Degree of protection
IP 20
EN/IEC 60529
Penetration protection
> 3.5mm
e.g. screws, small parts
Over-temperature protection
yes
output shut-down with automatic restart
Input transient protection
MOV
Metal Oxide Varistor
Internal input fuse
T10A H.B.C.
not user replaceable
*) In case of a protection event, audible noise may occur.
Oct 2009 / Rev. 1.3 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.
All parameters are specified at 12V, 8A, 24Vdc input voltage, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0 Germany
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