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720W power factor correction module debuts

Posted: 11 Oct 2007     Print Version  Bookmark and Share

Keywords:power factor  correction module  converter 

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Emerson Network Power has released a 720W power factor correction module that has a 61mm x 89 mm footprint and a mounting height of 14mm, designed for space-constrained applications. The new AIT02ZPFC module features a universal input that accepts any voltage in the range of 85 to 264Vac at any frequency from 47- to 63Hz and from 360- to 800Hz.

The module presents a near unity power factor to the incoming power line and generates a typical output of 393Vdc, which is intended for feeding to one or more high voltage DC/DC converters for further down-conversion to the low voltages required by the application. This fully modular approach enables users to build complete high performance, low profile ADC power supplies with minimal non-recurring engineering costs and fast turnaround.

When fed with a 230Vac input, the module has a typical power conversion efficiency of 93 per cent and can deliver up to 1.83A at 393Vdc and achieves a power density in excess of 155W/in3. The module uses active power factor correction to minimise input harmonic current distortion and ensure compliance with the RTCA/DO-160D avionics standard at 115Vac at full load, and EN61000-3-2.

In addition, a number of built-in control and monitoring functions make the AIT02ZPFC easy to integrate within a system. Remote-enable and temperature monitoring functions are provided as standard, and the output voltage can be adjusted from 79 to 100 per cent of nominal via a single control pin. Inrush current is limited by an external resistor.

AIT02ZPFC modules are fully encapsulated and have an aluminium baseplate for conduction cooling. The devices have no minimum load requirement and operate over a wide baseplate temperature range of 20°C to 100°C. Input-to-baseplate and output-to-baseplate isolation is rated at 2,700Vdc, and leakage current is held to less than 3ma at 800Hz input frequency. The modules are fully protected against over-voltage and over-temperature conditions and carry a full set of international safety agency approvals, including EN60950 TUV and UL/cUL60950.

The AIT02ZPFC modules are available for Rs.3,963.93 ($98) for 100-piece quantities. Standard lead-time for quantity orders is eight weeks.

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