AS3642 driver equivalent, ultra small 500ma inductive white led flash driver.
*Total flash driver solution only 11mm2
*High efficiency 4MHz fixed frequency DCDC Boost
converter with soft start allows small coils
*LED currents
Up to 5.
Flash/Torch for mobile phones, digital cameras and PDA
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The AS3642 is an inductive high efficient DCDC step up converter driving a current source. The DCDC step up converter operates at a fixed frequency of 4MHz and includes soft startup to allow easy integration into noise sensitive RF systems. The curre.
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