TC4420EPA Device Specification

The TC4420EPA is a high-speed MOSFET driver from Microchip Technology Inc. This model is specifically designed for applications requiring efficient and reliable power switching. Below are the key specifications and features of the TC4420EPA:

Overview

• Functionality: The TC4420EPA is a non-inverting driver capable of delivering high peak output currents, making it suitable for driving MOSFETs in various power electronics applications.
• Package Type: It is packaged in an 8-pin Plastic Dual In-line Package (PDIP), which is robust and widely used in industrial applications for its ease of integration and reliability.

Electrical Characteristics

• Supply Voltage Range: Operates within a wide input supply voltage range of 4.5V to 18V, providing flexibility in power supply options.
• Output Current Capability: Capable of delivering a peak output current of up to 6A, ensuring it can handle high-current loads effectively.
• Switching Times: Features fast rise and fall times of 25 ns (typical) into a 2500 pF load, and a propagation delay of 55 ns (typical), which are crucial for high-speed switching applications.
• Output Voltage Swing: The output voltage swing is rail-to-rail, ensuring a full range of output voltage levels from ground to VDD, providing better drive voltage margin.
• Low Output Impedance: Offers a low output impedance of 2.5 Ω, which minimizes voltage drop and power loss during high-current switching.

Protection Features

• Latch-Up Protected: Designed to withstand reverse output currents greater than 1.5A, providing robust protection against latch-up conditions.
• ESD Protected: Incorporates ESD protection up to 4 kV, safeguarding the device from electrostatic discharge damage.

Input Characteristics

• Input Voltage Range: The input can handle a wide range of voltages from -5V to VDD + 0.3V, eliminating the need for external level-shifting circuits and simplifying system design.
• Logic Compatibility: Compatible with both CMOS and TTL logic levels, ensuring easy integration with various digital systems.

Applications

The TC4420EPA is well-suited for a variety of applications, including:

• Switch-Mode Power Supplies: Ideal for controlling power switches in switch-mode power supplies due to its high current capability and fast switching times.
• Motor Controls: Can be used to drive MOSFETs in motor control circuits, providing efficient power switching for motor speed and direction control.
• Pulse Transformer Drivers: Suitable for driving pulse transformers in communication and signal transmission applications.
• Class D Switching Amplifiers: Appropriate for use in audio applications where high efficiency and low distortion are required.

Package and Ordering Information

• Package Marking: The package is marked with specific information for traceability and identification, including customer-specific data and manufacturing codes.
• Ordering: When ordering, specify the part number TC4420EPA along with any required package type and temperature range information.
• In summary, the TC4420EPA is a versatile and reliable MOSFET driver that offers high performance and robust protection features, making it an excellent choice for demanding power switching applications.