RT8004GQV

Voltage Regulators - DC DC Switching Regulators Overview

The RT8004GQV is a high-efficiency synchronous step-down DC/DC converter manufactured by Richtek USA Inc. It operates with an input voltage range of 2.65V to 5.5V and delivers up to 3A of output current. The device provides an adjustable regulated output voltage from 0.8V to 5V, supported by a 0.8V internal reference. Key electrical parameters include a programmable switching frequency ranging from 300kHz to 4MHz and low quiescent current of 100μA. Internal switches feature a low RDS(ON) of 75mΩ, enabling up to 95% efficiency. The component supports 100% duty cycle operation for low dropout conditions and includes features such as power good monitoring and over-temperature protection.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• High efficiency synchronous step-down conversion architecture
• Programmable switching frequency for optimized design flexibility
• Integrated power good output voltage monitor
• Over-temperature protection for enhanced reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Portable instruments
• Battery-powered equipment
• Notebook computers
• Distributed power systems
• IP phones
• Digital cameras

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific package variant, as the GQV suffix typically denotes a VQFN-16 (4x4) package. Confirm that the ordering suffix aligns with the required thermal pad configuration and pinout compatibility for your PCB layout. Ensure the selected revision matches the intended production volume requirements and check for any recent product change notices or end-of-life announcements from the manufacturer before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for applications needing up to 3A output current from a single-cell lithium battery or 5V rail. The wide programmable frequency range allows optimization for either size or efficiency. Consider the exposed pad thermal performance in the VQFN package for high-load scenarios. This regulator is suitable for space-constrained designs where low quiescent current extends battery life in portable devices.

Voltage Regulators - DC DC Switching Regulators Part Context

The RT8004 series belongs to Richtek's portfolio of high-efficiency synchronous buck converters designed for portable electronics. The RT8004GQV specifically utilizes a thermally enhanced VQFN-16 package to improve heat dissipation compared to standard plastic packages. It is part of a family that includes variants like the RT8004PQV and RT8004PCP, differentiated primarily by package type while maintaining identical electrical specifications and functionality for system designers.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct parameter-equivalent replacements within the same family include the RT8004PQV and RT8004A, though package differences must be accounted for. Cross-manufacturer alternatives should match the 3A current rating, 5.5V max input, and 0.8V reference voltage. Verify pin-to-pin compatibility if substituting with different package types to avoid PCB redesign.