The FAN7382 is a half-bridge gate driver IC designed for driving MOSFETs and IGBTs in various power electronic applications. It's manufactured by Fairchild/ON Semiconductor and categorized as END-OF-LIFE. The device features high-side and low-side gate drivers with integrated bootstrap diode.

Applications

• Electronic ballasts for lighting
• Switch-mode power supplies (SMPS)
• Induction heating
• DC-DC converters
• Motor drives
• UPS (Uninterruptible Power Supplies)
• Welding machines

Features

• Floating channel designed for bootstrap operation
• Gate drive supply range from 10V to 20V
• Logic input compatible with 3.3V and 5V logic
• Under-voltage lockout (UVLO) protection
• Integrated bootstrap diode
• Matched propagation delay for both channels
• High dv/dt immunity
• Output source/sink current capability: typically 0.35A / 0.65A

Benefits

• Simplified gate drive circuitry due to integrated bootstrap diode
• Reduced component count and board space
• Improved system efficiency and reliability
• Enhanced protection against over-voltage and under-voltage conditions
• Compatibility with a wide range of MOSFETs and IGBTs
• Fast switching speeds for improved performance
• Robust operation in noisy environments

Additional Details

The FAN7382 provides a cost-effective and reliable solution for driving high-side and low-side MOSFETs or IGBTs. The bootstrap circuit allows the high-side driver to be powered by a single power supply. Proper layout techniques are crucial for minimizing noise and maximizing performance. The device is available in various packages including DIP and SOIC. Refer to the Fairchild/ON Semiconductor datasheet for detailed specifications, application notes, and layout recommendations. Due to its end-of-life status, consider potential alternative solutions for new designs.