RT8243AZQW

The RT8243AZQW is a high-efficiency, synchronous step-down DC-DC converter developed by Richtek Tech. It is designed to provide a compact and efficient solution for powering various electronic devices, including portable applications, consumer electronics, and industrial equipment. The RT8243AZQW offers a wide input voltage range and a configurable output voltage, making it versatile for different power supply requirements.

Key Features:

• Synchronous Buck Converter: Utilizes a synchronous rectification topology to achieve high efficiency and low power dissipation, enabling longer battery life and reduced heat generation.
• Wide Input Voltage Range: Supports a wide input voltage range, allowing operation from various input power sources, including batteries, AC adapters, and other power supplies.
• Configurable Output Voltage: Provides flexibility in output voltage selection through external resistor divider networks or feedback voltage adjustment, catering to different voltage requirements of the load.
• High Efficiency: Offers high efficiency over a wide load range, optimizing power conversion efficiency and minimizing power loss in the system.
• Fixed Switching Frequency: Operates at a fixed switching frequency, simplifying external component selection and reducing electromagnetic interference (EMI) concerns.
• Integrated Protection Features: Incorporates comprehensive protection features such as overcurrent protection (OCP), overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown to safeguard the converter and connected components from fault conditions and abnormal operating conditions.
• External Compensation: Allows for external compensation to optimize transient response and stability for different output capacitor characteristics and load conditions.
• Adjustable Soft-Start: Provides an adjustable soft-start function to limit inrush current during startup, reducing stress on input power sources and extending the lifespan of external components.
• Compact Package: Offered in a small and thermally enhanced package, facilitating space-constrained designs and providing efficient heat dissipation for reliable operation in various environments.

Applications:

• Portable electronic devices
• Battery-powered systems
• Consumer electronics
• Networking equipment
• Industrial automation
• Power supplies
• LED lighting
• Distributed power systems
• Automotive electronics