The FAN3214T is a high-speed, dual-channel gate driver from ON Semiconductor (formerly Fairchild Semiconductor). It is designed to drive N-channel MOSFETs and IGBTs in synchronous rectifier and high-power converter applications. The device features a wide operating voltage range and high peak output current, enabling efficient and reliable switching performance.

Applications

• Synchronous Rectification
• High-Power DC-DC Converters
• Motor Control
• Switch-Mode Power Supplies (SMPS)
• Uninterruptible Power Supplies (UPS)

Features

• Dual-Channel: Two independent gate driver channels.
• High Peak Output Current: Delivers up to 4A peak current per channel.
• Wide Operating Voltage Range: Operates from 4.5V to 18V.
• Fast Propagation Delay: Minimizes switching losses with typical propagation delays of 15ns.
• Low Shoot-Through Current: Prevents simultaneous conduction of MOSFETs.
• Under-Voltage Lockout (UVLO): Protects MOSFETs from operating at insufficient gate voltage.
• Thermally Enhanced Package: Provides excellent thermal performance.

Benefits

• Efficient Switching: Minimizes switching losses and improves overall system efficiency.
• High Power Density: Enables compact and high-power designs.
• Reliable Operation: Robust design ensures stable and reliable performance.
• Simplified Design: Reduces component count and simplifies circuit design.
• Protection Features: Prevents damage to MOSFETs and enhances system reliability.

Additional Details

The FAN3214T utilizes a CMOS process to achieve low power consumption and high-speed performance. The device is available in a thermally enhanced SOIC-8 package. It includes under-voltage lockout (UVLO) protection, which prevents the MOSFETs from operating at insufficient gate voltage, thus avoiding excessive power dissipation and potential damage. The fast propagation delay and low shoot-through current characteristics make the FAN3214T ideal for high-frequency switching applications. Due to its end-of-life status, consider ON Semiconductor's latest gate driver offerings for new designs.