ON Semiconductor FAN73611MX High-Frequency Half-Bridge Gate Driver
The FAN73611MX is a high-performance half-bridge gate driver designed by ON Semiconductor, optimized for driving N-channel power MOSFETs and IGBTs. This gate driver is capable of effectively controlling power devices in a wide range of applications, including switched-mode power supplies, motor controllers, and class-D power amplifiers.
Operating at high frequencies, the FAN73611MX provides a robust and efficient solution for high-speed switching applications. It boasts a wide supply voltage range from 10V to 20V, which allows for flexible integration into various circuit designs. The device features a 4A peak sink and source capability, ensuring that it can drive large MOSFETs and IGBTs with the required speed and strength to minimize switching losses and improve overall efficiency.
The FAN73611MX incorporates several protective features that enhance system reliability. It includes a built-in under-voltage lockout (UVLO) function for both the high-side and low-side driver, which prevents the device from operating under insufficient power supply conditions. Additionally, the device's inputs are 3.3V and 5V CMOS compatible, allowing for easy interfacing with a variety of control circuits.
This gate driver is designed with a bootstrap operation, which makes it suitable for high-side drive applications. Its high-side output can float up to 600V, a feature that is particularly useful in half-bridge configurations. The FAN73611MX also offers matched propagation delays between the high-side and low-side drivers, which is critical for maintaining the integrity of the switching function and reducing dead-time.
The FAN73611MX comes in a compact 8-pin SOP package, making it convenient for space-constrained applications. Its small footprint, combined with its high performance and protective features, makes it an excellent choice for engineers looking to create efficient, high-frequency power conversion systems.
Overall, the FAN73611MX from ON Semiconductor represents a reliable and efficient solution for driving power MOSFETs and IGBTs in a variety of high-speed switching applications.