The ON Semiconductor FDMF6821A is a high-performance, integrated PowerTrench<sup>® MOSFET and DrMOS driver designed for high-efficiency power conversion applications. This compact, yet powerful module is ideal for synchronous buck or multiphase power supplies, where it enables designers to achieve high current, high efficiency, and high frequency in their power management systems.

Key Features

• High-Efficiency Power Conversion: The FDMF6821A utilizes advanced PowerTrench<sup>® technology to minimize on-state resistance and optimize power efficiency, making it an excellent choice for energy-sensitive applications.
• High-Density Power: With its integrated approach, the device combines a driver IC and two MOSFETs in a single package, allowing for a reduction in board space and simplified design compared to discrete solutions.
• High-Frequency Operation: The device is capable of operating at high switching frequencies, which allows for the use of smaller passive components, further reducing space and cost.
• Multi-Phase Capability: It is suitable for multi-phase power supplies, which can lead to improved thermal performance and load response times.
• Thermal Management: The FDMF6821A is designed with an exposed pad to facilitate effective heat dissipation, which is critical in maintaining performance and reliability.

Applications

• Desktop and Notebook Computers
• Graphics Cards
• DC-DC Converters
• VRMs (Voltage Regulator Modules)
• Point of Load (POL) Modules

Technical Specifications

• Integrated Driver and MOSFETs
• Input Voltage Range: 4.5V to 15V
• High Efficiency with Low R<sub>DS(on)
• Optimized for High Switching Frequencies
• Exposed Pad for Enhanced Thermal Performance
• Compact PQFN Package

Overall, the ON Semiconductor FDMF6821A stands out for its integration of advanced technologies in a compact form factor, delivering both performance and efficiency for modern power supply designs.