TN830 AC to DC and DC to DC Power Supplies
MT-3/4 Radio Systems
TECHNICAL NOTES
Page 2 of 2
LMRSALES@CODANCOMMS.COM
CODANCOMMS.COMTECHNICAL NOTE:
TN830, REV 7-0-0, © Aug 2016
CANADA/US +1 250 382 8268 | TOLL FREE +1 800 664 4066
The DC to DC converters provide a regulated +13.8
Vdc to the output terminals over a wide range of DC
input voltages. Valuable rack space has been saved
by mounting the DC to DC converter inside the rear
panel frame that attaches to the rear of the subrack. A
terminal block is located on the outside of the subrack
rear panel for the DC input voltage. The DC to DC
converters comes in two diff erent models.
Input Voltage Range 18 - 36 Vdc fl oating input PSD-15-08-P0-80
36 - 72 Vdc fl oating input PSD-15-08-P0-90
Output Voltage Factory set at +15 Vdc. Adjustable from +13.5 Vdc to +16.5 Vdc
Output Current 12 Amps continuous @ +15 Vdc
Operating Temperature -25°C to +85°C
Input Current No Load 50 mA
Voltage Accuracy ±1% max
Remote On / Off Control On: +5.5V min. or open circuit
Off : +1.8V max.
Isolation Voltage Input to Output: 100 Vdc min.
Effi ciency 85%
Thermal Shut Down 100°C / ±5°C
Features:
• remote on/off control
• over voltage protection
• reverse voltage protection
• input surge protection
• short circuit protection specifi ed for an indefi nite period
• 100V input to output isolation
#12 WIRES TO
SUB-RACK
MOTHERBOARD
FRAME
DC - DC CONVERTER
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