DI300-XX: Dual Input, Industrial Grade Power Supply Product Specification
Product Description
This product is a 300 watt, single output, industrial grade power supply designed for electronic systems operating in demanding environments with adverse temperature conditions. This dual input power supply is designed for applications in need of operating from either a DC or AC voltage source.
Product Features
Works from either a DC or AC Voltage Source
Operating Temperature Range: -40º to +85ºC
Baseplate Mounting, Conduction Cooled
DC Input
DC Input Range: 36 to 72Vdc (48Vdc nominal)
Optional 24Vdc Input (Consult factory)
AC Input
Voltage Input Range: 90-264Vac
Frequency: 47-440Hz
Phase: Single Phase, 2 wire plus ground
Power Factor Correction: 0.95 min @ 115Vac, full load
Input Transient Protection: Designed to meet MIL-STD-704A/D (80Vdc for 100mSec)
Input Surge Protection: Designed to meet MIL-STD-1275A/D (100Vdc for 50mSec)
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: 88% Typical (Measuring at 115Vac and at full load)
Turn On Delay: 250 to 500mS (To nominal output voltage)
Isolation Voltage:
Input to Output: 2000Vrms
Input to Chassis: 1000Vrms
Output to Chassis: 500Vdc
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
Operating Temperature: -40º to +85ºC (baseplate)
Storage Temperature: -50º to +100ºC
Operating Humidity: 5% to 90% RH, Non-condensing
Storage Humidity: 5% to 95% RH, Non-condensing
Operating Altitude: Sea-level to 40,000 ft.
Shock & Vibration: Designed to meet MIL-STD-810G
EMC Radiated & Conducted EMI: Designed to meet EN55022 Level B, CISPR 22 and FCC (Part J) Class B
Cooling
Conduction Cooling: Baseplate not to exceed +85ºC for full rated output
Mechanical
Enclosure: Metal chassis, aluminum baseplate and enclosure, non-finish
Outline Dimensions: 7.0" X 9.0" X 1.5" (W X L X H) – not including I/O connector
Weight: 3.0 lbs. (1360 grams)
AC Input Connector (J1): D38999 or EQ.
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