RT 8205

The RT8205 is a high-efficiency dual step-down DC-DC controller developed by Richtek Technology Corp., designed to power advanced notebook and desktop computer systems. It integrates two synchronous buck converters to generate core and system voltages for CPUs, GPUs, or chipsets, delivering excellent transient response, precise voltage regulation, and low power loss.

Featuring a wide input voltage range and adjustable output voltages, the RT8205 offers superior flexibility for various motherboard and embedded power applications. It includes integrated MOSFET drivers, soft-start control, and comprehensive protection features such as overcurrent, undervoltage, and thermal shutdown, ensuring reliable and safe operation.

With its compact design, high efficiency, and stability, the RT8205 is widely used in laptop power management circuits, DC-DC conversion modules, and embedded control systems, making it a trusted choice for manufacturers and repair professionals.

Key Features:

• Dual synchronous buck converter for CPU and system power

• Wide input voltage range (typically 5V–25V)

• Adjustable output voltage with high precision

• Integrated MOSFET drivers for reduced component count

• Soft-start and power sequencing support

• Comprehensive OCP, UVP, and OTP protection features

• Excellent load transient and line regulation

• Compact QFN or TSSOP package for efficient PCB layout

Applications:

• Laptop and desktop motherboards

• CPU and GPU power supply systems

• DC-DC converter modules

• Embedded and industrial power applications

Package Type: QFN / TSSOP
Manufacturer: Richtek Technology Corp.
Model Number: RT8205

The RT8205 provides a compact, efficient, and reliable power regulation solution for modern computing platforms, ensuring stable performance and extended component life.