See datasheet for actual packaging/pinout drawings

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LM3556TMEV/NOPB-Evaluation Board for the LM3556

The LM3556 is a 4 MHz fixed-frequency synchronous boost converter plus 1.5A 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 1.5A. An adaptive regulation method ensures the current source remains in regulation and maximizes efficiency.

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