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DC-DC Converters (to 288 watts) (3-Day Power Supply)
Regulated Power Supplies

Narrow Profile
wide input ranges
single output


Nominal Input    Operating Input Voltage Range
 24 Vdc           18-36 Vdc (or 18-75 Vdc)
 48 Vdc           36-75 Vdc (or 18-75 Vdc)
 72 Vdc           36-75 Vdc (or 18-75 Vdc)
125 Vdc          110-350 Vdc
250 Vdc          110-350 Vdc

Input Reverse Polarity Protection: Internal shunt diode (external fuse required).

Startup Time: 800 mS typical.

Load Regulation: ±0.05%
Line Regulation: ±0.05%

Output Voltage Remote Adjustment: The output voltage may be controlled by means of an external 1K potentiometer.

Polarity: Output is floating and may be used in either polarity.

Drift: ±0.1% maximum over 8 hours, after 30 minute warmup.

Temperature Coefficient: ±0.02%/°C (Typical).

Transient Response: 3 ms to return to ±1% of output setting. Maximum of ±3% output excursion following a load step change from 50% to 100%.

Remote Sensing: Compensates up to 0.5 volt drop per output line, within the limits of the output voltage adjustment range.

Overload/Short Circuit Protection: Current limiting with automatic recovery.

Overvoltage Protection:
Case sizes DN6A, DN6B: automatic reset.
Case sizes DN8, DN8A: latches power supply OFF, reset by momentarily removing DC input power.

Output Inhibit (DN8 and DN8A case sizes only):
Applying between +3 and +25 Vdc (relative to the -Out terminal) to the inhibit terminal will disable the supply.

EMI: Designed to meet FCC Part 15 and EN55022, Class A.

Output Indicator (DC out): Green LED.

Thermal Protection:
Case sizes DN8, DN8A, DN6A: thermostat, self-resetting.
Case size DN6B: inherently protected.

Efficiency: (Typical, at nominal input voltage, with full load.) 65 to 80%

Ambient Operating Temperature: 0 to +71°C.

Storage Temperature: –40 to +85°C.

Cooling: Case sizes DN8, DN8A, DN6A: forced air cooled; air enters rear of power supply and exits from top.
Case size DN6B: convection cooled.

Switching Frequency: 100 kHz (Typical).

Dielectric Withstand Voltage:
                   inputs to  110 to 350                  
                     75 Vdc    Vdc input   Isolation
Input to output:    2828 Vdc   4242 Vdc    300 Vdc 
Input to case:      2828 Vdc   2121 Vdc    300 Vdc 
Output to case:      750 Vdc    750 Vdc    300 Vdc

Size and Weight:

Case   | Rough               |  Number of fans    |  Approx. 
Size   | Dimensions (inches) |  on rear panel     |  Weight 
DN8        1.7 x 3.5 x 9.8             2             2 lb.  1 oz.
DN8A       1.7 x 3.5 x 9.8             1             1 lb. 14 oz.
DN6A       1.7 x 3.5 x 7.9             1             1 lb.  6 oz.
DN6B       1.7 x 3.5 x 7               0             1 lb.  4 oz.
See Drawing for exact dimensions.

Mounting: Threaded mounting holes permit mounting to a chassis, cabinet wall or bracket. To mount from the power supply side of the mounting surface or for DIN rail mounting, use accessory Mounting Kits.