Welcome To Roberts Warr Electronics Limited

FEATURES:

202W HALF SIZE 3U X 4HP EUROCARD PACKAGE
36-72VDC NOMINAL 48VDC INPUT
INTERNAL OR-ING DIODES FOR N+1 REDUNDANCY
HOT-SWAPPABLE
THIRD-WIRE CURRENT SHARING
EMI MEET EN 55022 / FCC CLASS A
CE MARKING COMPLIANCE
FULLY COMPLIANT WITH PICMG

FEATURES

INPUT SPECIFICATION

Input Voltage: Typ. 36-72Vdc,nominal input 48Vdc.
Input Connector: Positronic 47-pin PCIH47M400A1.
Inrush Current: Typ. 20A @ nominal input 48Vdc.(Active)
Input Current: 5.6A @ nominal input 48Vdc.
Dielectric Withstand: Meet IEC 60950-1 regulation.
EMI: Meet CISPR EN 55022 Class A.
Remote ON/OFF: Available at [INH#] & [EN#] pins.
Power Fail Signal: Available at [FAL#] pin.
Status LED: <Green> means valid input or output voltage.
<Amber> means a critical fault.
Thermal Protection (OTP): Installed NTC for thermal
sensor at [DEG#] pin.

OUTPUT SPECIFICATION

Output Voltage: See Ratings Chart.
Output Current: See Ratings Chart.
Output Wattage: Typ. 202W continuous.
Output Connector: Positronic 47-pin PCIH47M400A1.
Line Regulation: Typ. 0.2%.
Load Regulation: Typ. ±1-2.0%.
Noise & Ripple: Typ. 1% peak to peak or 50mV,
whichever is greater.
OVP: Built-in at all outputs.
Adjustability: Available at VO1,2 & 3.
Remote Sensing: Available at VO1,VO2 & VO3.
Hot-Swap: Available.
N+1 Redundancy: Installed with OR-ing diodes at all
outputs for N+1 redundancy.
Current Sharing: Third-wire current sharing at VO1,2 & 3.
Power OK Signal: Available for all outputs.
Over Current Protection (OCP): Installed at each rail.
Overload Protection (OLP):
Fully protected against output overload or short circuit.
Typ. set at 105-130% max. load.
Consult the factory for special OLP setting.

GENERAL SPECIFICATION

Efficiency: Typ. 77%.
Switching Frequency: 305-330 KHz.
Circuit Topology: Forward circuit.
Transient Response: Peak transient less than 200mV and
returns to within 1% less than 200uS for 25% load-change.
Safety Standard: IEC 60950-1 Class I.
Construction: Eurocard 3U x 4HP x 160mm half-size
CompactPCI Front Panel with Extractor handle.

Operating Temperature: 0 to +50°C at full load with
specified air flow. Deraes linearly to 50% at +70°C.
Storage Temperature: -40°C to +85°C.
Temperature Coefficient: Typ. ±0.02% /°C.
Cooling: At least 30 cfm (800lfm) moving air is required
to achieve full rating power 200W in a confined area.
Power Density: 7.40 Watts /Cubic Inch.