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Archive : 25 September 2008 год

07:421V Boost Driver for Power LEDs

The PR4404 from Prema is a LED driver providing more than 150mA out of one battery cell and up to 300mA from two batteries for one to three power LEDs. A hold input allows controlling the LED brightness via a PWM signal or switching the LED from a microcontroller. Several applications and circuits can be found in the comprehensive data sheet on the web (see below). Samples of the PR4404 are available upon request.

Source: www.channel-e.biz

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