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FDMS7670

The FDMS7670 is a high voltage, high-speed MOSFET driver from Fairchild Semiconductor (now part of ON Semiconductor). It is designed to drive N-channel MOSFETs in power conversion applications such as motor control, power supplies, and battery management systems.

Description:

The FDMS7670 is a monolithic high voltage MOSFET driver that provides high-speed switching and precise control of N-channel MOSFETs. It features a high voltage capability of up to 900V and can handle peak currents up to ±1A. The device is available in a small SOIC-8 package, making it suitable for space-constrained applications.

Features:

1. High voltage capability: The FDMS7670 can handle high voltages up to 900V, making it suitable for a wide range of power conversion applications.
2. High-speed switching: The device features fast switching times, with a propagation delay of only 45ns and a rise/fall time of 75ns.
3. Precise control: The FDMS7670 provides accurate gate drive voltage control, ensuring reliable and efficient operation of the MOSFETs.
4. Short-circuit protection: The device includes built-in short-circuit protection to prevent damage to the MOSFETs in case of a short-circuit event.
5. Thermal shutdown: The FDMS7670 features thermal shutdown protection to prevent damage to the device in case of overheating.
6. Small package: The device is available in a compact SOIC-8 package, making it suitable for space-constrained applications.

Applications:

1. Motor control: The FDMS7670 can be used to drive N-channel MOSFETs in brushless DC motor controllers and AC motor drives.
2. Power supplies: The device is suitable for driving MOSFETs in power supply applications such as switched-mode power supplies (SMPS) and power factor correction (PFC) circuits.
3. Battery management systems: The FDMS7670 can be used to drive MOSFETs in battery management systems for electric vehicles, energy storage systems, and portable devices.
4. LED lighting: The device can be used to drive MOSFETs in LED lighting applications, providing efficient and precise control of the LED current.
5. Class D audio amplifiers: The FDMS7670 can be used to drive MOSFETs in class D audio amplifiers, providing high-efficiency and low-distortion audio amplification.

In summary, the FDMS7670 is a high-performance MOSFET driver that offers high voltage capability, high-speed switching, and precise control for a wide range of power conversion applications. Its compact package and built-in protection features make it an ideal choice for space-constrained and high-reliability applications.