RT8509GQW

Overview

The RT8509GQW is a special-purpose voltage regulator IC manufactured by Richtek USA Inc. It functions as a step-up DC/DC converter designed for TFT LCD applications. The device operates with an input voltage range of 2.8V to 14V and provides an adjustable output voltage up to 24V. It features a single output channel and utilizes a 10-WFDFN exposed pad package for surface mount installation.

Feature Summary

• Integrated step-up DC/DC converter topology
• Adjustable output voltage capability
• Wide input voltage operating range

Applications

• TFT LCD power supplies
• Converter circuits

Procurement Notes

Verify the specific datasheet revision and manufacturer documentation to confirm current production status, as some sources indicate this part may be obsolete. Ensure compatibility with the required input voltage range of 2.8V to 14V and the necessary output specifications for the target application before procurement.

Selection Notes

Select this component when a compact solution for driving TFT LCD panels is required. The 10-WFDFN package offers a small footprint suitable for space-constrained designs. Confirm that the adjustable output range meets the specific voltage requirements of the display driver circuitry.

Part Context

This component belongs to the category of special-purpose regulators within the Power Management ICs (PMIC) subcategory. It is distinct from general-purpose switching regulators by its specific optimization for converter and display applications, utilizing a synchronous or non-synchronous boost architecture depending on the specific internal design iteration.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official manufacturer channels for direct replacements or pin-compatible alternatives if this specific model is unavailable.