STOD2540PUR

Overview

The STOD2540PUR is a DC-DC converter and switching regulator chip designed for portable handsets. It converts input voltages from 3V to 5.5V into output levels ranging from 3.5V to 35V. The device supports non-inverting, inverting, step-up, and step-down conversion modes with a single output. It provides pre-charge and biasing voltage capabilities specifically for passive matrix OLED (PMOLED) column matrix drivers. The component operates within an 8-pin QFN EP package and delivers a maximum current of 0.04A.

Feature Summary

• Dedicated power supply solution for PMOLED displays in portable devices
• Provides necessary pre-charge and biasing voltages for column matrix drivers
• Supports flexible DC-DC conversion including step-up, step-down, and inversion

Applications

• Portable handset PMOLED display power supplies
• Column matrix driver biasing circuits
• Pre-charge voltage generation for OLED panels

Procurement Notes

Verify the specific suffix PUR against the manufacturer's official datasheet to confirm the 8-pin QFN EP packaging and tape/reel configuration. Ensure the part number matches the exact electrical specifications required for your PMOLED application, as variations may exist within the product family.

Selection Notes

Select this component when designing power systems for passive matrix OLED displays requiring integrated pre-charge and bias generation. It is suitable for applications needing a compact DC-DC solution that handles multiple conversion topologies within a small footprint, specifically targeting portable handheld electronics.

Part Context

This device belongs to the STMicroelectronics PMIC portfolio, specifically engineered for display driver support. It addresses the unique power requirements of PMOLED technologies by integrating essential voltage regulation functions into a single low-profile package, simplifying the design of mobile display subsystems.

Replacement Considerations

Consult the official STMicroelectronics documentation for qualified substitute part numbers or alternative devices within the same series that offer compatible pinouts and electrical characteristics for direct replacement.