RT6239BLGQUF

Voltage Regulators - DC DC Switching Regulators Overview

The RT6239BLGQUF is a synchronous step-down converter from Richtek USA Inc., featuring ACOT control topology. It supports an input voltage range of 4.5V to 18V and delivers up to 9A output current. The device operates at a fixed switching frequency of 650kHz, with adjustable output voltages ranging from 0.7V to 8V. Packaged in a 14-UQFN (2x3) surface-mount case, it functions within a temperature range of -40°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• ACOT control topology for stable operation with low output capacitance
• Synchronous rectification for high efficiency across load ranges
• Integrated compensation network simplifies external component selection

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for digital signal processors
• Power supply stages for memory modules
• Industrial equipment control circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'B' against the official Richtek datasheet to confirm the 9A current rating and 650kHz frequency parameters. Ensure the 14-UQFN package dimensions match the target PCB footprint. Confirm RoHS compliance status through the manufacturer's declaration before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for high-current applications. The ACOT architecture allows for smaller output capacitors compared to traditional PWM controllers. Verify that the 18V maximum input voltage aligns with the system power rail specifications.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the RT6239 series of synchronous buck converters. It shares the ACOT control family characteristics with related models like the RT6236. The BLGQUF designation indicates the specific pinout, thermal pad configuration, and manufacturing lot associated with the 14-lead UQFN package.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

RT6236AHGQUF offers similar ACOT functionality but provides a lower 6A output current rating. Both devices share compatible control architectures, though pinouts and thermal requirements may differ between the 13-pin and 14-pin packages.