H HiTRON
18-36VDC/36-72VDC INPUT RANGE DC-DC CONVERTER HOT-SWAP
CompactPCI QUAD OUTPUT 250 WATTS ACTIVE CURRENT SHARING
SWITCHING POWER SUPPLIES HDC250P-24B/48B SERIES
FEATURES:
250W 3U X 8HP EUROCARD PACKAGE
18-36VDC/36-72VDC INPUT
WIDE OPERATING TEMPERATURE RANGE
OF -40°C TO +70 °C
INTERNAL OR-ING DIODES FOR
N+1 REDUNDANCY
HOT-SWAPPABLE
THIRD-WIRE CURRENT SHARING
EMI MEET EN 55022 / FCC CLASS B
FULLY COMPLIANT WITH PICMG
SPECIFICATION
INPUT SPECIFICATION
OUTPUT SPECIFICATION
Output Voltage: See Ratings Chart.
Input Voltage: Typ. 18-36Vdc,nominal input 24Vdc.
Typ. 36-72Vdc,nominal input 48Vdc.
Output Current: See Ratings Chart.
Output Wattage: Typ. 250W continuous.
Output Connector: Positronic 47-pin PCIH47M400A1.
Line Regulation: Typ. 0.1%.
Load Regulation: Typ. ±2.0%.
Noise & Ripple: Typ. 1% Pk.-Pk. or 50mV,
whichever is greater.
Input Connector: Positronic 47-pin PCIH47M400A1.
Inrush Current: Peak 32.6A at nominal 24Vdc.
Typ. 20A at nominal 48Vdc.
Input Current: 13.7A at nominal input 24Vdc.
6.6A at nominal input 48Vdc.
OVP: Built-in at all outputs.
Adjustability: Available at VO1, 2 & 3.
Output Trim: Electrical trim available at VO1/2.[ADJ #]
Remote Sensing: Available at VO1,VO2 & VO3.
Hot-Swap: Available.
Dielectric Withstand: Meet IEC 60950-1 regulation.
EMI: Meet EN 55022 / FCC Class B.
Remote ON/OFF: Available at [INH#] & [EN#] pins.
Power Fail Signal: Available at [FAL#] pin.
Status LED: <Green> means valid input voltage.
<Amber> means a critical fault.
N+1 Redundancy: Installed with internal OR-ing diodes at
all outputs for N+1 redundancy operation.
Current Sharing: Third-wire current sharing at VO1,2&3.
Power OK Signal: Available for all outputs.
Over Current Protection (OCP): Installed in each rail.
Overload Protection (OLP): Fully protected against output
overload or short circuit. Typical 120% max. load.
Consult the factory for special OLP setting.
Thermal Protection (OTP): Installed NTC for thermal
sensor at [DEG#] pin.
GENERAL SPECIFICATION
Efficiency: Typ. 74%-77 %.
Switching Frequency: 120K Hz.
Operating Temperature: -40 °C to +70 °C (see note 3) ,
derate linearly from 100% power at +50 °C to
60% power at +70 °C (Refer to derating curve).
Storage Temperature: -45°C to +85 °C.
Cooling: At least 600LFM moving air is required to achieve
full rating power 250W in a confined area.
Safety Standard: IEC 60950-1 Class I.
Circuit Topology: Forward circuit.
Transient Response: Peak transient less than 100mV
and recovers within 2mS for 25% load-change.
Construction: Eurocard 3U X 8HP X 160mm
CompactPCI format. Front panel with either
Ordinary handle or Extractor handle.
Power Density: 4.58 Watts/ Cubic Inch.
NOTE: (1)All measurement are at nominal input, full load and +25°C unless otherwise specifications.
(2)Due to requests in market and advances in technology, specifications subject to change without notification.
(3)A warm-up time 3 minutes is required to maintain VO3 +12V within specific spec. after cold start at temperature from -40 °C to +0°C.
(4)Tantalum capacitors connected to system is suggested for bettering Ripple & Noise against operating temperature from -40°C to +0°C.
For the details of safety approval, please consult the factory.
Hitron Electronics Corporation. B4-11, P.O. Box 26-110 Kaohsiung Export Processing Zone Kaohsiung 806 Taiwan
TEL: 886-7-8210410/FAX: 886-7-8419917, 886-7-8210511/E-mail: sales@hitron-e.com /Web-site: www.hitron-e.com
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