TC4427CPA-MICROCHIP-MOSFET Driver Low Side, 4.5V-18V supply, 1.5A peak out, 7 Ohm output, DIP-8

TC4427CPA-MICROCHIP

The TC4427 is a dual high-speed power MOSFET driver IC designed to drive N-channel and P-channel MOSFETs in high-power switching applications. It is housed in a surface-mount device (SMD) package, making it suitable for high-density circuit board layouts. Here’s a detailed description of the product:

Key Features:

• Type: Dual High-Speed Power MOSFET Driver
• Package: SMD (Surface Mount Device)
• Maximum Supply Voltage (Vdd): 18V
• Maximum Output Current (Iout): 1.5A per driver
• Low Output Resistance: Typically 2.5Ω
• High-Speed Switching: 30ns rise and fall times with a 1000pF load
• Input Threshold: TTL/CMOS compatible

Applications:

• MOSFET and IGBT Driver: Ideal for driving MOSFETs and IGBTs in high-power switching applications.
• Switch Mode Power Supplies (SMPS): Suitable for driving power transistors in SMPS circuits.
• Motor Control: Can be used in motor control circuits to drive power MOSFETs.
• DC-DC Converters: Useful in high-efficiency DC-DC converter circuits.
• Pulse Transformer Driver: Suitable for driving pulse transformers in communication systems.

Pin Configuration:

• Pin 1: Input A – Controls the output state of Output A.
• Pin 2: Ground – Common ground reference for the device.
• Pin 3: Input B – Controls the output state of Output B.
• Pin 4: Output B – Drives the gate of the power MOSFET connected to it.
• Pin 5: Vdd – Positive supply voltage for the device.
• Pin 6: Output A – Drives the gate of the power MOSFET connected to it.

Electrical Characteristics:

• Vdd (Supply Voltage): 4.5V to 18V
• Iout (Output Current): 1.5A max per driver
• Output Resistance: 2.5Ω typical
• Propagation Delay: 30ns typical
• Rise Time: 20ns typical with a 1000pF load
• Fall Time: 20ns typical with a 1000pF load
• Input Threshold Voltage: 1.5V typical (TTL/CMOS compatible)