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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 -1- 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 GENERAL SPECIFICATION Efficiency: Typ. 74%-77 %. Switching Frequency: 120K Hz. 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. 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. 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. OUTPUT SPECIFICATION Output Voltage: See Ratings Chart. 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. 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. 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. SPECIFICATION INPUT SPECIFICATION Input Voltage: Typ. 18-36Vdc,nominal input 24Vdc. Typ. 36-72Vdc,nominal input 48Vdc. 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. 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. Thermal Protection (OTP): Installed NTC for thermal sensor at [DEG#] pin. 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 -2- OUTPUT VOLTAGE / CURRENT RATINGS CHART MECHANICAL DIMENSIONS: MM [INCHES] WEIGHT: 666.0 g (23.5 Oz.) QUAD OUTPUT MODEL NO. HDC250P-24B-490(E) 2A 25A +5V 33A 0A 18A +3.3V 33A 0A 5A +12V 5.5A 6A 0A 0.5A -12V 1A 1.5A HDC250P-48B-490(E) 2A 25A +5V 33A 0A 18A +3.3V 33A 0A 5A +12V 5.5A 6A 0A 0.5A -12V 1A 1.5A HDC250P-48B-490(O) 2A 25A +5V 33A 0A 18A +3.3V 33A 0A 5A +12V 5.5A 6A 0A 0.5A -12V 1A 1.5A "▲" Magnetic Amplifier. " ●" Installed with Post-regulator. " ■" Common Choke. Remark: Peak load less than 60sec. with duty cycle <10%. Max. load is the continuous operating load of each rail. But the max. load of each rail can't be drawn from all outputs at the same time. INPUT & OUTPUT CONNECTORS PIN ASSIGNMENT ASSIGNMENT PIN NO. -Vin 47 +Vin 46 GND 45 VO1 1,2,3,4. VO1 S + 30 VO1 S - 34 VO1 ADJ. 29 VO1 C.S. 35 VO2 13, 14, 15, 16, 17, 18. VO2 S+ 33 VO2 ADJ 32 VO2 C.S. 41 VO3 20 VO3 S+ 36 VO3 C.S. 44 VO4 21 DC COM 5, 6, 7, 8, 9, 10, 11, 12, 19 ,24. EN# 27 DEG # 38 INH # 39 FAL # 42 Mating connector: PCIH47F400A1 HDC250P-24B/48B-490(E) HDC250P-484B-490(O) DERATING CURVE