RT8105GS

Description：IC REG CTRLR BUCK 8SOP
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:29ce0a463005 Category: DC DC Switching Controllers Brand: Richtek USA Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC REG CTRLR BUCK 8SOP
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：4.75V ~ 13.2V
Frequency - Switching：300kHz
Duty Cycle (Max)：100%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Phase Control
Operating Temperature：-20°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOP
Grade：-
Qualification：-

Download product information

RT8105GS

Overview

The RT8105GS is a synchronous step-down DC/DC controller manufactured by Richtek USA Inc. It operates within an input voltage range of 4.75V to 13.2V and features a fixed switching frequency of 300kHz. The device supports up to 100% duty cycle and includes current mode control with enable and phase control features. It is housed in an 8-SOP package with dimensions of 0.154 inches (3.90mm) width. The component is rated for an ambient operating temperature range of -20°C to 85°C.

Feature Summary

Synchronous rectification architecture for improved efficiency
Current mode control strategy for stable operation
Supports 100% duty cycle capability
Compatible with ceramic output capacitors

Applications

Portable electronics power supplies
Industrial control systems
Consumer appliance power regulation

Procurement Notes

Verify the manufacturer part number against official Richtek documentation to ensure authenticity. Confirm the specific suffix matches the required package and temperature grade. Check for RoHS compliance status and recent production change notices. Ensure the supplier provides valid traceability records for quality assurance purposes.

Selection Notes

Select this component when a synchronous buck controller with a 300kHz frequency is required. It is suitable for applications needing wide input voltage compatibility up to 13.2V. Consider the 8-SOP package constraints for PCB layout. Evaluate thermal performance requirements against the specified ambient temperature range.

Part Context

Richtek Technology Corporation specializes in power management integrated circuits, providing solutions for various industries including consumer electronics and industrial automation. The company focuses on high-efficiency energy conversion and precise voltage regulation technologies. Their portfolio includes DC-DC converters, LED drivers, and battery management ICs designed for modern electronic device development.