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National LDO regulator eyes automotive, industrial apps

Posted: 04 Jun 2004 ?? ?Print Version ?Bookmark and Share

Keywords:national semiconductor? nsc? low voltage dropout regulator? ldo regulator? lm9076?

National Semiconductor Corp. expanded its portfolio of power management devices for the automotive and industrial markets with the launch of its latest ultra-low quiescent current low voltage dropout (LDO) regulator.

"As the electronic content of cars steadily increases, automakers rely more and more on high performance regulators such as National's LM9076," said Tom Freeze, VP of National Semiconductor's Enhanced Solutions product group. "Power systems that continue to run even after the engine is shut off must draw as little current as possible and not drain the vehicle's battery. The ultra-low current of the LM9076 is ideal for these system applications."

The 150mA LDO voltage regulator is available in 5V with other voltage options to follow. It contains a variety of protection features such as thermal shutdown, input transient protection and a wide operating temperature. The device has a quiescent current of 25?A typical for a 0.1mA load, on/off control, delayed reset output, and a simplified circuit design, which is rugged enough to withstand harsh automotive environments with voltage transients up to 70V, -50V.

The regulator's current load range allows it to function in both "keep alive" and normal operations, all in a single device. Additionally, due to its wide voltage range and wide current load, it can be used in multiple applications.

The LM9076 is housed in both an 8-pin SOIC NARROW packaging (89 cents) and 5-pin TO 263 packaging (95 cents). More information is available at National's website.

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