AX2021 32V, 0.
45A Step-down High Brightness LED Driver with 5000:1 Dimming  GENERAL DESCRIPTION The AX2021 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LED efficiently from a voltage source higher than the total LED chain voltage.
The device operates from an input supply between 8V and 32V and provides an externally adjustable output current of up to 0.
45A.
Depending upon the supply voltage and external components, the AX2021 can provide more than 15 watts of output power.
The AX2021 includes the power switch and a high-side output current sensing circuit, which uses an external resistor to set the nominal average ou...

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