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D575.00251

Product catalog summary

Overview: The document details the specifications and features of a 3U 8HP 250W CPCI DC/DC Power Supply, designed for use in CompactPCI systems. It highlights key figures, general specifications, and electrical specifications, including input and output details.

Key Figures:

250W power capacity in a 3U 8HP Eurocard package.
Input voltage range of 18-36VDC.
Hot swap capability and third-wire current sharing.
Operating temperature range from -40°C to +70°C.
Compliance with IEC 61000-3-2 for harmonic correction and EMI standards EN 55022 / FCC Class B.
Internal or-ing diodes for N+1 redundancy.
Coated according to MIL-I-460580 standards.

General Specifications:

Efficiency ranges from 74-77%.
Storage temperature between -45°C to +85°C.
Derating from 100% power at +50°C to 60% power at +70°C.
Cooling requires at least 20CFM moving air for full power rating.
Switching frequency of 120K Hz and forward circuit topology.
Transient response with peak transient less than 100mV, recovering within 2ms after a 25% load change.
Safety standard compliance with IEC 60950-1 Class I.

Electrical Specifications:

Input: Voltage range of 18-36VDC, power factor correction meeting IEC 61000-3-2, and a peak inrush current of 32.6A at 24VDC.
Output: Continuous output wattage of 250W, with line regulation of 0.1% and load regulation of ±2%.
Features include remote ON/OFF, power fail signal, thermal protection, and status LED indicators.
Output voltage and current ratings are adjustable, with built-in over-voltage protection (OVP) and over-current protection (OCP).
Hot-swap capability and N+1 redundancy with internal OR-ing diodes.

Additional Notes:

Warm-up time of 3 minutes required for VO3 +12V within specific specs after cold start from -40°C to +0°C.
Peak load should be less than 60 seconds with a duty cycle of less than 10%.
Total maximum power of VO1 and VO2 should be less than 300W.

Catalog excerpts

CPCI DC/DC Key figures: 250W 3U 8HP Eurocard package Input voltage 18-36VDC Hot swap and Third-wire current sharing Wide operating temperature ramge of - 40°C to +70°C Meet IEC 61000-3-2 harmonic correctiion Internal or-ing diodes for N+1 redundancy EMI meet EN 55022 / FCC class B Fully compliant with PIGMG / CE marking compliance Coated according to MIL-I-460580 General specification: Efficiency: Typ. 74-77 % Storage temperature: - 45°C to +85°C 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) Temperature Coefficient: Typ. ±0.02% / °C Cooling: At least 20CFM(600 LFM) moving air is required to achieve full rating power 250W in a confined area Power Density: 4.58 Watts/ Cubic Inch. Switching Frequency: 120K Hz Circuit Topology: Forward circuit Transient Response: Peak transient less than 100mV and recovers within 2mS after 25% load change Safety Standard: IEC 60950-1 Class I Coated pcb with Cramilin 120 Plastic according to MIL-I-460580 „Type Acrylic Resin" Construction: Eurocard 3U 8HP 160mm; CompactPCI format, Front Panel with Extractor handle NOTE: 1) All measurement are at nominal input, full load and +25°C unless otherwise specifications. 2) Tantalum capacitors connected to system is suggested for bettering Ripple&Noise against operating temperature from -40°C to +0°C 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

Open the catalog to page 1

CPCI DC/DC ELECTRICAL SPECIFICATION INPUT SPECIFICATION Input Voltage: Power Factor Correction: Input Connector: Inrush Current: Input Current: Dielectric Withstand: EMI: Remote ON/OFF: Power Fail Signal: Thermal Protection (OTP): Status LED: Typ. 18-36VDC Meet Harmonic Correction IEC 61000-3-2. Power Factor typ. 0.95-0.97 Positronic 47-pin PCIH47M400A1 Peak 32,6A at nominal 24VDC 13,7A at nominal input 24VDC Meet IEC 60950-1 regulation Meet EN 55022 / FCC Class B Available at [INH#] & [EN#] pins Available at [FAL#] pin Installed NTC and thermostat for thermal sensor at [DEG#] pin means valid...

Open the catalog to page 2

CPCI DC/DC Part. Nr.: D575.00251 Output Voltage / Current Ratings Chart Symbol: "★" OVP built-in. "@" Adjustable. "#" Remote sensing. "≡" 3rd-wire Load Sharing. "⊙" Installed with Or-ing diode. "▲" Magnetic Amplifier. "●" Installed with Post-regulator. ““ Common Choke. “=“ Droop Current Charing 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. Total max. power of VO1 and VO2 should be less than 300W Mechanical dimensions: mm (inches) Input & Output...

Open the catalog to page 3

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