Buck Regulator Power Module With Wide Voltage Range

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The modules offer high full-load efficiency and minimal light-load losses with better electrical and high-temperature protection

The RPX-1.0 and RPX-1.5 buck converters provide suitability for industrial and motor control, medical and high-density power applications.

An over-moulded ‘Flip Chip on Leadframe’ (FCoL) with an integrated, shielded inductor, results in low EMI and high electrical and thermal performance. Each converter has an input range of 4 – 36VDC and an adjustable output between 0.8 and 30VDC, set by external resistors.

The RPX-1.0 is rated at 1A and the RPX-1.5 at 1.5A, each with typical full-load efficiency of 87 per cent and minimal light-load losses. Depending on input/output voltage and load, peak efficiency can be over 95 per cent and ambient operating temperature over 100 degrees Celsius.

The modules are fully protected against short-circuit, over-current, over-temperature and input under-voltage and are equipped with enable, power good, soft start and external sync features.

“The wide input and output ranges of these highly integrated parts are ideal for 5, 12, or 24V nominal systems in industrial and motor control, ATE, medical, imaging and high-density power systems generally,” said Matthew Dauterive, Product Manager DC-DC at RECOM.

RECOM has partnered with a global OSAT (Outsourced Semiconductor Assembly and Test) company to extend its range of low-cost power modules.

Having a miniature, thermally-enhanced 3mm x 5mm QFN package with 1.6mm profile featuring innovative 3D power packaging technology, samples and OEM pricing are available from RECOM and all authorised distributors. To facilitate rapid testing, RECOM also offers evaluation boards for the RPX for a quick and easy test.


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