MP3302DD-LF-Z

LED Driver IC Overview

The MP3302DD-LF-Z is a boost DC-DC converter IC designed for driving single-cell lithium-ion battery-powered WLED arrays. It operates with an input voltage range of 2.5V to 6V and delivers a maximum switch current of 1.33A. The device features a fixed switching frequency of 1.3MHz and supports a maximum output voltage of 36V. It utilizes a single-wire dimming control interface and is housed in an 8-QFN (2x3mm) package. The component functions within a junction temperature range of -40°C to 125°C.

LED Driver IC Feature Summary

• Integrates internal power MOSFET capable of driving up to ten series-connected white LEDs
• Employs current control mode with fixed-frequency architecture for precise LED current regulation
• Features low feedback voltage to minimize power loss and enhance conversion efficiency
• Includes comprehensive protection mechanisms such as UVLO, over-current limiting, and thermal shutdown

LED Driver IC Applications

• Backlighting for mobile devices
• Single-cell lithium-ion battery powered LED arrays
• White LED driver circuits in portable electronics

LED Driver IC Procurement Notes

Verify the specific suffix 'Z' indicates RoHS compliance and lead-free status as per manufacturer declarations. Confirm the 8-QFN package dimensions match the design footprint requirements. Ensure the input voltage supply remains within the specified 2.5V to 6V range during operation. Check for any specific environmental compliance documentation required for the target market.

LED Driver IC Selection Notes

Select this component when designing systems requiring a compact boost solution for single-cell Li-ion batteries. It is suitable for applications needing high efficiency and single-wire dimming control. Consider the 1.33A peak current capability for driving multiple series LEDs. Evaluate the 8-QFN package size constraints against available PCB space.

LED Driver IC Part Context

This part belongs to the MP3302 series from Monolithic Power Systems, specifically tailored for WLED backlighting. It shares functional similarities with other members like the MP3302DJ variants but differs in packaging. The DD suffix denotes the 8-pin QFN form factor, distinguishing it from TSOT23 options.

LED Driver IC Replacement Considerations

MP3302DD-LF-P is listed as a parameter-equivalent alternative by the manufacturer.