MICROCHIP TC4427A Dual MOSFET Gate Driver, 1.5A, SOIC8

The MICROCHIP TC4427A is a dual-channel, non-inverting, high-speed power MOSFET gate driver designed for efficient pulse transformer drive applications. Featuring a robust 1.5A source and sink current capability, this driver ensures fast and reliable switching of MOSFETs, making it an essential component for demanding power management and control circuits.

A key feature is its matched leading and falling edge propagation delay times, which contribute to precise signal timing and reduced distortion in high-frequency operations. The device is engineered with high latch-up resistance under all specified power and voltage conditions, providing exceptional operational stability. It offers superior protection, withstanding up to 5V of noise spiking on the ground pin and accepting up to 500mA of reverse current forced back into its outputs without damage or logic upset.

All terminals are fully protected against Electrostatic Discharge (ESD) up to 2kV, safeguarding the component during handling and assembly. With a low output impedance of typically 7Ω, the driver maintains the intended state of the MOSFET even in the presence of large electrical transients. It is capable of charging and discharging 1000pF gate capacitances in under 30 nanoseconds, enabling swift switching for improved system efficiency.

Key Specifications & Features

• Dual-Channel Design: Provides two independent, non-inverting driver channels.
• High Current Drive: 1.5A source and sink current for powerful gate control.
• Matched Timing: Ensures consistent rise, fall, and propagation delay times.
• Robust Protection: Features include ESD protection (2kV), tolerance to negative inputs (-5V), and immunity to noise and reverse current.
• Wide Operating Range: Functions with a supply voltage from 4.5V to 18V and across a temperature range of -40°C to 85°C.
• Surface Mount Package: Supplied in a SOIC