MCOTS-C-270-400-HT

DC-DC Converter

155-425V

155-475V

400V

252W/0.63A

90% @ 0.32A / 91% @ 0.63A

Continuous Input

Transient Input

Output

Output

Efficiency

Product Details

The MilQor® series of Mil-COTS DC-DC converters brings SynQor’s field proven high-efficiency synchronous rectification technology to the Military/Aerospace industry. SynQor’s ruggedized encased packaging approach ensures survivability in demanding environments. Compatible with the industry standard format, these converters operate at a fixed frequency, and follow conservative component derating guidelines. They are designed and manufactured to comply with a wide range of military standards.

Operational Features

• High efficiency, 91% at full rated load current • Operating input voltage range: 155-425 V • Fixed frequency switching provides predictable EMI • No minimum load requirement

Mechanical Features

• Industry standard half-brick pin-out • Size: 2.486” x 2.386” x 0.495” (63.14 x 60.60 x 12.57 mm) • Total weight: 5.0 oz. (142 g) • Flanged baseplate version available

Specification Compliance Features

MCOTS series converters (with an MCOTS filter) are designed to meet: • MIL-HDBK-704 (A-F) • MIL-STD-461 (C, D, E, F)

Control Features

• On/Off control referenced to input return • Remote sense for the output voltage • Output voltage trim range of +10%, -20% • Current share (full feature option) • Clock synchronization (full feature option) • Start synchronization (full feature option)

Safety Features

• 4250Vdc, 100 MΩ input-to-output isolation • (see Technical Specifications pages)

Protection Features

• Input under-voltage lockout/over-voltage shutdown • Output current limit and short circuit protection • Active back bias limit • Output over-voltage protection • Thermal shutdown