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MP3308 - Step-up White LED Driver

General Description

The MP3308 is a monolithic step-up converter designed to drive arrays of white LEDs from a 3.3V input or a single-cell lithium-ion battery.

The MP3308 uses fixed-frequency currentmode architecture to regulate the LED current, which is measured through an external current sense resistor.

Key Features

  • dual PWM-dimming input control and true PWM dimming.
  • this control allows for a wide luminescent range that makes the display readable under a variety of ambient light conditions with minimal PWM dimming noise. The MP3308 includes over-voltage protection, short-circuit protection, under-voltage lockout, current limiting, and thermal overload protection. The MP3308 is available in small 3mmx4mm 14-pin QFN package.

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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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The Future of Analog IC Technology MP3308 Step-up White LED Driver with Dual PWM Dimming Input Control DESCRIPTION The MP3308 is a monolithic step-up converter designed to drive arrays of white LEDs from a 3.3V input or a single-cell lithium-ion battery. The MP3308 uses fixed-frequency currentmode 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 MP3308 features dual PWM-dimming input control and true PWM dimming—this control allows for a wide luminescent range that makes the display readable under a variety of ambient light conditions with minimal PWM dimming noise.