Description

The TC4420EOA is a 6A (peak), single output MOSFET driver, classified under the product category of Gate Drivers. It is available in two models: TC4429, which is an inverting driver, and TC4420, a non-inverting driver. These drivers are fabricated in CMOS for lower power consumption and more efficient operation compared to bipolar drivers.

Specifications and features

- Latch-Up Protected: The TC4420EOA can withstand reverse output current above 1.5A.

- Logic Input Compatibility: The logic input of the driver can withstand negative swing up to 5V.

- ESD Protected: The driver is protected against electrostatic discharge up to 4kV.

- Matched Rise and Fall Times: The rise and fall times of the TC4420EOA are 25nsec.

- High Peak Output Current: The driver can output a peak current of 6A.

- Wide Operating Range: The TC4420EOA operates within a voltage range of 4.5V to 18V.

- High Capacitive Load Drive: It can drive capacitive loads up to 10,000 pF.

- Short Delay Time: The delay time of the driver is approximately 55nsec.

- Logic High Input: The driver accepts input voltages ranging from 2.4V to VDD.

- Low Supply Current: With logic "1" input, the driver consumes only 450µA of current.

- Low Output Impedance: The output impedance of the TC4420EOA is 2.5Ω.

- Output Voltage Swing: The driver can swing its output voltage to within 25mV of ground or VDD.

Application Scenarios

The TC4420EOA is commonly used in the following applications:

- Switch-Mode Power Supplies

- Motor Controls

- Pulse Transformer Driver

- Class D Switching Amplifiers

Comparison

- Lower power consumption due to CMOS fabrication

- Higher efficiency compared to bipolar drivers

- Wide operating range

- High peak output current

- Ability to drive high capacitive loads

- Short delay time

- Logic input compatibility with different voltage levels

- Low supply current with logic "1" input

- Low output impedance

- Output voltage swing close to ground or VDD

No specific disadvantages are mentioned for the TC4420EOA model.