Scope
The DCD500-12-24 converter is non-isolated wide-range DC input voltage 11 to 18 volts, making it ideal
for military and commercial vehicle systems.
The DCD500-12-24 low profile units is high efficiency 96% wide temperature range -40 to +70°C
protected again over temperature, over voltage, under voltage, over current, short circuit and revers
polarity.
The DCD500-12-24 has internal O-Ring diode enable to function in parallel N+1.
The DCD500-12-24 is fully sealed encapsulation, IP67 protection class, withstanding exposure to harsh
environments.
Features
High efficiency 96%
Parallel operation
Rugged and reliable
Fully sealed, IP67
Reverse Polarity Protection
Applications
Automotive
Rugged environmental Marine
Mobile communication
Base – station power
Industrial controls
Emergency backup power
Electrical Specification
Input:
Input Voltage 11 -18Vdc
Input Current Max. 45A @ 11 V input.
Turn ON / Turn OFF (measure
on terminals).
10.8VDC @ full load
Efficiency 96% typical
Reverse Polarity protected by external fuse.
Input Protection By 45A Normal – Blow fuse
No-Load Current 30mA maximum.
Output Voltage & Current:
Input Range Output Voltage I Min. Load I Max. Load Max. Power
11Vdc – 18Vdc 24Vdc 0 20A 480W
Output:
Line & Load Regulation ±1% from 10% to 100% of Imax
Ripple & Noise (p-p): < 100mV Max @ 20 MHz bandwidth.
Transient Load Response: 3% Max. deviation for load change of 50% to 100%, at
Slew rate of 1A/uSec, recovery time less than 1mSec.
Hot Swap / Parallel Operation N+1, Internal ORing diode (FET)
Over-current
Short Circuit Protection:
110 to 125% of Imax, automatic recovery,
Protected by external 45A normal-blow fuse.
Temperature Protection:
Shut down due to excessive ambient temperature heating,
unit recovers automatically typical hysteresis 25C.
Environmental Specifications:
Temperature: Operating: -40C to +70C
Storage: -40C to +85C.
Temperature Coefficient: 0 to 70C: 0.02%/C
Cooling: Free Convection / Base Plate
Humidity: 10% to 90% RH non-condensing
Altitude: Operating: up to 10,000 ft. Non- operating 40,000 ft.
Vibration: Random Vibration, 10Hz to 1KHz, 3 axis 1.9grms max.
Shock: Peak Acceleration 20GPK max.
Isolation:
Output to Case 500VDC
Input to Case 500VDC
MTBF: 300,000 hours minimum per BELCOR 332, issue 6
specification @ 30C
Mechanical Dimensions:
Size (W, H, D) 146 x 37 x 100 mm 5.75” x 1.45” x 3.94”
Weight 750g/1.65lb
IP Rated IP 67
Input Wire 10AWG 250mm
Output Wire 12AWG 250mm
DCD500-12-24 Outline Drawing
