LM3556TME/NOPB Texas Instruments - Yeehing Electronics

LM3556 1.5A Inductive white LED Camera flash Device

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Specifications

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The LM3556 is a 4-MHz fixed-frequency synchronous boost converter plus 1.5-A constant current driver for a high-current white LED. The high-side current source allows for grounded cathode LED operation providing flash current up to 1.5 A. An adaptive regulation method ensures the current source remains in regulation and maximizes efficiency.