RT5759GQUF

Voltage Regulators - DC DC Switching Regulators Overview

The RT5759GQUF is a synchronous step-down DC-DC converter manufactured by Richtek USA Inc. It delivers up to 9A of output current from an input supply range of 3V to 6.5V. The device features a programmable positive output voltage starting at 0.6V, with a maximum output of 1.5V. It operates with a fixed switching frequency of 1MHz and utilizes a 13-pin PowerUFQFN package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification for high efficiency
• Programmable output voltage control
• High current delivery capability

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power conversion
• Embedded systems utilizing 3V to 6.5V input rails
• Applications needing stable 9A current loads

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix GQUF against the manufacturer's official datasheet to confirm pinout and thermal pad configuration. Ensure compatibility with the intended PCB layout for the 13-PowerUFQFN package. Cross-reference the part number with authorized distributors to confirm authenticity and avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-output buck converter is required with up to 9A capacity. It is suitable for designs operating within a 3V to 6.5V input window. Consider the 1MHz switching frequency for inductor size trade-offs. Verify that the load requirements do not exceed the continuous current rating specified in the technical documentation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ACOT™ series or similar high-performance synchronous buck converters from Richtek. It is designed for applications demanding compact solutions and high efficiency. The device integrates internal power switches to minimize external component count. It is distinct from lower-current variants in the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes such as other 9A synchronous buck regulators from Richtek or competitors. Ensure replacement parts match the 13-PowerUFQFN footprint and electrical specifications. Verify thermal performance and switching frequency compatibility before substitution.