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MP3309 - White LED Driver

General Description

The MP3309 is a WLED step-up converter for 2.7V to 5.5V input that uses peak-current mode to regulate the LED current sensed through an external, low-side resistor.

The 200mV feedback voltage and synchronous rectification reduces power loss and reduces PCB space requirements.

Key Features

  • a programmable switching frequency to optimize efficiency. It supports both analog and PWM dimming. In addition, the MP3309 has LED open protection, cycle-by-cycle current limit protection, Under voltage protection and thermal shutdown protection .

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Other Datasheets by Monolithic Power Systems

Part Number Description
MP3309A White LED Driver
MP3309AGQ White LED Driver
MP3309C White LED Driver
MP3309CGQG White LED Driver
MP3309GQG White LED Driver

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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MP3309 2.7V-5.5V Input, 35V Output White LED Driver DESCRIPTION The MP3309 is a WLED step-up converter for 2.7V to 5.5V input that uses peak-current mode to regulate the LED current sensed through an external, low-side resistor. The 200mV feedback voltage and synchronous rectification reduces power loss and reduces PCB space requirements. The MP3309 features a programmable switching frequency to optimize efficiency. It supports both analog and PWM dimming. In addition, the MP3309 has LED open protection, cycle-by-cycle current limit protection, Under voltage protection and thermal shutdown protection . FEATURES • 2.7V to 5.