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0.5A POL regulators operate without heat sinks

Posted: 01 Mar 2016     Print Version  Bookmark and Share

Keywords:MicroPower Direct  POL  regulator 

MicroPower Direct has introduced a series of point-of-load switching regulators that provides 0.5A of output current from a miniature unpotted (open-board) package. Geared to replace linear regulators, the MSR7805WUP non-isolated, single-output devices achieve efficiencies as high as 95 per cent without requiring any heat sink, stated the company.


Four standard models operate from inputs that range from 4.75VDC to 36VDC, providing tightly regulated outputs of 3.3VDC, 5VDC, -5VDC, 12VDC, -12VDC, 15VDC and -15VDC. All models are approved to EN 60950 safety standards and have continuous short-circuit protection. The 5V, 12V, and 15V units can be easily configured to produce a negative output. MTBF per MIL HDBK 217F is greater than 2 million hours.

The dimensions of the MSR7805WUP regulators are 10mm x 7.2mm x 11mm, and their pinout is compatible with LM78xx type linear regulators. Each model operates over the industrial temperature range of -40°C to 85°C without derating or heat sinking.

- Susan Nordyk

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