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Murata Power Solutions has extended its UWE series of eight-brick, 4:1 ultra-wide input isolated DC/DC converters with the addition of the UWE-5/15-Q48N-C and the UWE-15/5-Q12P-C.

Both the UWE-5/15-Q48N-C (15A at 5VDC) and the UWE-15/5-Q12P-C (5A at 15VDC) provide up to 75W of output power, making them ideal space-saving drop-in replacements for commonly used 100W quarter-brick devices where the full 100W power is not needed.

An ultra-wide input voltage range of 18-75VDC (UWE-5/15-Q48N-C) and 9-36VDC (UWE-15/5-Q12P-C) helps simplify the integration of the DC/DC converters in customer designs.

Typical applications include mobile and battery powered devices, test equipment, telecoms and wireless, plus distributed power architectures in the industrial, high reliability, aerospace, networking and wireless, and telecom and office equipment markets.

The eighth-brick industry standard through-hole package has overall dimensions of 22.9mm (0.9in) x 58.4mm (2.3in) x 9.1mm (0.36in) high.

Operating temperature range is -40C to +85C with derating.

The UWE series has a synchronous rectifier design that results in typical high efficiency ratings of 90 per cent, plus low power dissipation with no reverse output conduction.

This allows the DC/DC converters to be used without fans or temperature derating in most applications.

For demanding environments, customers can specify an optional thermal mounting baseplate.

The UWE series provides 1,500VDC isolation (basic insulation) to assure safety, and fully differential (floating) operation for maximum application flexibility.

All models include remote on/off control, trim, and remote sense functions to provide compensation for line-drop errors at high output currents.

Self-protection design features including pre-bias operation, input under-voltage, and output short circuit, over-current and over-temperature protection prevent potential damage to both the converter and outside circuits.

Overloads automatically recover using the ‘hiccup’ technique upon fault removal.

The new models and all existing UWE wide input isolated eighth-brick DC/DC converters meet UL/EN/IEC 60950-1, CAN/CSA-C22.2 No 60950-1 safety approvals and comply with the requirements of RoHS-6 and FCC RFI/EMI certification.

Murata Power Solutions

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