MGDC300-XX-XX: 300 Watt, Military Grade, DC to DC Converter Product Specification
Product Description
This product is a 300 watt, single output, military grade power supply designed for electronic systems operating in demanding environments with adverse temperature conditions. This dc to dc converter is designed to meet applcable military standards for airborne, ground, vehicle, and shipboard applications.
Product Features
Wide Input Range: 24Vdc or 48Vdc (Nominal Input)
Operating Temperature Range: -40º to +85ºC
Baseplate Mounting, Conduction Cooled
DC Input
DC Input Range: 9 to 36Vdc (12/24/28Vdc nominal) 36 to 72Vdc (48Vdc nominal)
Output Selection Guide
Single Output Voltages: 12Vdc, 15Vdc, 24Vdc, 28Vdc, 36Vdc, & 48Vdc (Custom output voltages are available, consult factory)
DC Output Characteristics (floating)
Output Power: 300 watts (maximum continuous power, may require derating for some low voltage outputs)
Line Regulation: ±2.0% Typical
Load Regulation: ±2.0% Typical (No load to full load; nominal input)
Output Ripple/Noise: 1% Typical (pk-pk; nominal input; full load; 20MHz bandwidth)
Set Point Accuracy: ±1.0% of Output Voltage (Nominal input; full load; 25°C)
Transient Response: Output voltage returns to within 1% in less than 2.5mS for a 50% load change and the peak transient does not excess 5%
Overshoot: Turn-on and turn-off overshoot should not exceed 5% over nominal voltage
Electrical Characteristics
Switching Frequency: 250KHz Fixed
Efficiency: 90% Typical (Measuring at 28Vdc and at full load)
Turn On Delay: 250 to 500mS (To nominal output voltage)
Isolation Voltage:
Input to Output: 3000Vdc (60 seconds)
Input to Chassis: >1500Vdc (60 seconds)
Output to Chassis: >1500Vdc (60 seconds)
Isolation Resistance: 100Mohms (Input to output)
Temperature Regulation: +/- 0.005%/degree C (+/- 2% Maximum over operating temp range)
Protection
Over Current Limit: 115 to 130%. Auto-recovery after removal of overload condition
Over-Voltage Setpoint: 108 to 125% of output voltage. Unit latched 1 minute, recycle AC input to reset
Short Circuit: Auto-recovery after short circuit condition is removed
Over Temperature Protection: The power supply is protected for over temperature conditions with thermal shutdown. Auto-Recovery when temperature returns to normal
Environmental
Ambient Operating Temperature: -40º to +85ºC (75ºC maximum baseplate)
Storage Temperature: -50º to +100ºC
Operating Humidity: 5% to 90%, Non-condensing
Storage Humidity: 5% to 95%, Non-condensing
Operating Altitude: Sea-level to 15,000 ft.
Shock & Vibration: Designed to meet MIL-STD-810F
EMC Radiated & Conducted EMI: Designed to meet ML-STD-461F/G
Cooling
Conduction Cooling: Baseplate not to exceed +75ºC for full rated output
Mechanical
Enclosure: Metal chassis, aluminum baseplate and enclosure, non-finish
Outline Dimensions: 4.25" X 8.75" X 2.2" (W X L X H) – not including I/O connector
Weight: 4.5 lbs.
DC Input Connector (J1): D38999 or EQ.
DC Output Connector (J2): D38999 or EQ.
Optional Features, Controls or Alarms
Consult factory
Note
Product specifications subject to change without notice