onsemi

FDMF8705

FDMF8705 Description

The FDMF8705 is a high-performance half-bridge driver IC designed for synchronous buck converters, featuring a peak output current of 65A and an output current per channel of 18A. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is built using advanced DrMOS technology. It operates within a supply voltage range of 6.4V to 13.5V and can handle load voltages from 6.4V to 14V, making it suitable for a variety of power management applications.

The FDMF8705 is housed in a surface-mount package and is available in tape and reel format (Tape & Reel, TR), ensuring ease of integration into modern electronic designs. It features a bootstrap circuit, which simplifies the design process and enhances efficiency. The device is REACH unaffected and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage and handling conditions.

FDMF8705 Features

• Output Configuration: Half Bridge
• Load Type: Inductive
• Current - Peak Output: 65A
• Current - Output / Channel: 18A
• Technology: DrMOS
• Voltage - Supply: 6.4V to 13.5V
• Voltage - Load: 6.4V to 14V
• Interface: PWM
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount
• Features: Bootstrap Circuit
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Product Status: Obsolete
• REACH Status: REACH Unaffected

FDMF8705 Applications

The FDMF8705 is specifically designed for use in synchronous buck converters, where its high current capabilities and efficient design make it an ideal choice for power management in demanding applications. Its ability to handle inductive loads and its robust performance characteristics ensure reliable operation in various electronic systems, including:

• Computing: High-performance computing systems and servers that require efficient power delivery.
• Networking: Network infrastructure equipment where power density and efficiency are critical.
• Telecommunications: Base stations and other telecom equipment that demand reliable power management solutions.

Conclusion of FDMF8705

The FDMF8705 from onsemi is a robust half-bridge driver IC that offers significant performance benefits for synchronous buck converters. Its high peak output current and per-channel current capabilities, combined with advanced DrMOS technology, make it a powerful solution for managing power in high-current applications. The inclusion of a bootstrap circuit simplifies design integration, while its REACH unaffected status and MSL 1 rating ensure compliance and ease of handling.

Despite being marked as obsolete, the FDMF8705 remains a valuable option for engineers and designers seeking reliable power management solutions. Its unique features and performance advantages over similar models make it an ideal choice for specific use cases where high efficiency and robustness are paramount.