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Switchers span a wider range without derating

Edited by the Electronicstalk editorial team Jun 16, 2003

The BCC series of 200 to 400W AC/DC switching power supplies is a range of rugged units that need no derating over a -20 to +70C ambient temperature range.

Designed for environmentally demanding applications such as mobile radio basestations and roadside electronic cabinets, the BCC series of 200 to 400W AC/DC switching power supplies is a range of rugged units that need no derating over a -20 to +70C ambient temperature range.

This eliminates the need for system designers to select a higher power and more expensive unit to compensate for widely varying ambient temperatures.

The high-reliability power supplies use a 6mm thick aluminium baseplate to provide effective conduction cooling.

All heat dissipating components are attached to the baseplate which in turn is attached the equipment enclosure.

The single-output units comply with international EMC and ETSI standards and the active power-sharing feature allows simple parallel operation where higher output currents are needed.

A version capable of operating at down to -40C is also available and the power supplies can be conformally coated for use in environments with high humidity.

The BCC family consists of 12 standard power supplies with universal AC inputs and outputs from 3.3V DC (50A) to 28V DC (14.5A).

Output load regulation is 1.5% for output voltages up to 7.5V DC and 1% above this.

Other features include remote on/off, active power factor correction, overload and overvoltage protection.

A remote sense function compensates for drops of up to 500mV on the output.

BCC power supplies also have wide output voltage adjustment, ranging from -60 to +10% of the nominal output.