Description
www.DataSheet4U.com EC9409 2A 150KHz PWM Buck DC/DC Converter .
The EC9409 is a of easy to use adjustable step-down (buck) switch-mode voltage regulator.
Features
* include a two stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions. Features
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3,3V,5.0V and Adjustable output versions Output adjustable from 1.23v to 43V Fixed 150KHz frequency internal os
Applications
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Simple High-efficiency step-down regulator On-card switching regulators Positive to negative converter LCD monitor and LCD TV DVD recorder and PDP TV Battery charger Step-down to 3.3V for microprocessors
Block Diagram
E-CMOS Corp. (www. ecmos. com. tw)
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2007/05/02
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