RT6239AHGQUF

Voltage Regulators - DC DC Switching Regulators Overview

The RT6239AHGQUF is a synchronous step-down DC-DC converter from Richtek USA Inc., part of the ACOT™ series. It features 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 500kHz, with an adjustable output voltage ranging from 0.7V to 8V. Housed in a compact 13-UQFN (2x3) package, it supports surface mount installation and functions within a temperature range of -40°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates internal power switches and synchronous rectifiers for high efficiency
• Utilizes ACOT™ technology for fast transient response without external compensation components
• Supports adjustable output voltage settings via external resistors

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for portable electronics
• Power supply stages for embedded systems
• Industrial control equipment power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level (MSL 3) prior to assembly. Ensure storage conditions adhere to specified humidity limits to prevent soldering defects during reflow processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a 9A current capacity and 18V maximum input are required. The 500kHz frequency offers a balance between component size and efficiency. Consider the 13-UQFN footprint for space-constrained designs requiring robust thermal performance and stable operation under varying load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the RT6239 family of ACOT synchronous step-down converters. It shares architectural similarities with the RT6236 series but provides higher current capability. The 'A' suffix typically denotes specific electrical characteristics or pin compatibility within the product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the RT6239BHGQUF variant. Cross-reference electrical parameters such as output current and input voltage ranges before substitution to ensure system compatibility.