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MP3305 - 36V 1.3A Step-up White LED Driver

Description

The MP3305 is a monolithic step-up converter designed for driving arrays of WLEDs from 5V input or a single cell Lithium Ion battery.

The MP3305 uses current mode, fixed frequency architecture to regulate the LED current, which is measured through an external current sense resistor.

Features

  • up to 50kHz true PWM dimming, which allows the flexible control of the backlighting luminance under wide range of the ambient brightness, and also avoids the possibility of PWM dimming audible noise. The MP3305 is turned off if an over-voltage condition is present due to an open circuit condition. Use one external resistor voltage divider to adjust OVP threshold. MP3305 also includes under-voltage lockout, current limiting and thermal overload protection preventing damage in the event of an outp.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MP3305 36V, 1.3A, Step-up White LED Driver with High Frequency True PWM Dimming & Adjust OVP The Future of Analog IC Technology DESCRIPTION The MP3305 is a monolithic step-up converter designed for driving arrays of WLEDs from 5V input or a single cell Lithium Ion battery. The MP3305 uses current mode, fixed frequency architecture to regulate the LED current, which is measured through an external current sense resistor. Its low 200mV feedback voltage reduces power loss and improves efficiency. The MP3305 features up to 50kHz true PWM dimming, which allows the flexible control of the backlighting luminance under wide range of the ambient brightness, and also avoids the possibility of PWM dimming audible noise.
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