RT8274GSP

Overview

The RT8274GSP is a high-efficiency, synchronous step-down DC-DC switching regulator controller manufactured by Richtek USA Inc. It operates from a wide input voltage range of 4.75V to 24V and utilizes a Buck topology. The device supports a switching frequency of 1 MHz for compact external component sizing. It features an operating temperature range from -40°C to +85°C and is housed in an 8-SOIC package with an exposed pad.

Feature Summary

• Synchronous step-down architecture for high efficiency
• Wide input voltage capability up to 24V
• High switching frequency for small solution size

Applications

• Portable devices
• Battery-powered systems
• General-purpose DC-DC conversion

Procurement Notes

Verify the obsolete status of this specific part number before procurement planning. Confirm availability through authorized distributors or surplus suppliers as active production may have ceased. Ensure that any substitute components meet the required electrical specifications and pinout compatibility for your design.

Selection Notes

Select this controller when a wide input voltage range and high efficiency are required for space-constrained designs. The 1 MHz switching frequency allows for smaller inductors and capacitors. Consider the 8-SOIC package constraints and thermal requirements associated with the exposed pad for proper heat dissipation.

Part Context

This component belongs to Richtek's portfolio of power management integrated circuits designed for portable electronics. It addresses the need for efficient energy conversion in battery-operated applications where board space is limited. The product line focuses on delivering reliable performance across various consumer and industrial portable devices.

Replacement Considerations

Check for equivalent models available from Richtek that offer updated manufacturing status. Verify that alternative parts support the same 4.75V to 24V input range and 1 MHz frequency. Ensure pin compatibility if direct replacement is intended.