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Diodes/Zetex

ZXLD1352: 350mA LED driver with internal switch and fast PWM dimming capability

The ZXLD1352 is a continuous mode inductive step-down converter with integrated switch and high side current sense.

It operates from an input supply from 7V to 30V driving single and multiple series connected LEDs effciently externally adjustable output current up to 350mA.

The ZXLD1352 has been qualified to AEC-Q100 Grade 2 allowing it to operate at ambient temperatures from -40 to 105°C.

DC voltage or a PWM waveform. 1000:1 adjustment of output current is possible using PWM control. Applying a voltage of 0.2V or lower to the ADJ pin turns the output off and switches the device into a low current standby state.


Documentation

Application Diagram


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