MP3309GQG-P

LED Driver IC Overview

The MP3309GQG-P is a synchronous boost DC-DC converter designed for white LED backlighting. It operates with an input voltage range of 2.7V to 5.5V and delivers up to 1.5A output current. The device supports analog and PWM dimming methods, featuring a fixed switching frequency of 640kHz. It provides a maximum output voltage of 35V within a compact 10-QFN (1.4x1.8mm) package. The component functions across a junction temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrated synchronous power switch for high efficiency in boost topology
• Supports both analog and pulse-width modulation dimming control
• Includes soft-start functionality to limit inrush current during startup

LED Driver IC Applications

• White LED backlight drivers for mobile devices
• Portable electronic display illumination systems
• Battery-powered consumer electronics requiring efficient LED regulation

LED Driver IC Procurement Notes

Verify the specific suffix designation when ordering, as variations such as 'Z' may exist within the same product family. Confirm that the requested component matches the exact electrical specifications and pinout requirements for the target application. Ensure compatibility with standard surface-mount assembly processes given the small QFN footprint.

LED Driver IC Selection Notes

Select this component for applications requiring a single-channel LED driver with integrated switching capabilities. It is suitable for designs needing precise current regulation from a single-cell lithium-ion battery source. Consider the thermal performance and PCB layout requirements associated with the exposed pad QFN package for optimal heat dissipation.

LED Driver IC Part Context

This part belongs to the MP3309 series of LED lighting driver ICs manufactured by Monolithic Power Systems. It is categorized under PMIC and specifically designed for driving white LEDs in portable applications. The device integrates necessary power switches to reduce external component count compared to discrete solutions.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.