GENERAL DESCRIPTION

The TC4421/4422 are high current buffer/drivers capable of driving large MOSFETs and IGBTs.

They are essentially immune to any form of upset except direct overvoltage or over-dissipation — they cannot be latched under any conditions within their power and voltage ratings; they are not subject to damage or improper operation when up to 5V of ground bounce is present on their ground terminals; they can accept, without either damage or logic upset, more than 1A inductive current of either polarity being forced back into their outputs. In addition, all terminals are fully protected against up to 4 kV of electrostatic discharge.

FEATURES

■ Tough CMOS? Construction

■ High Peak Output Current .................................. 9A

■ High Continuous Output Current ............... 2A Max

■ Fast Rise and Fall Times:

— 30 nsec with 4,700 pF Load

— 180 nsec with 47,000 pF Load

■ Short Internal Delays............................ 30nsec Typ

■ Low Output Impedance ............................ 1.4W Typ

APPLICATIONS

■ Line Drivers for Extra-Heavily-Loaded Lines

■ Pulse Generators

■ Driving the Largest MOSFETs and IGBTs

■ Local Power ON/OFF Switch

■ Motor and Solenoid Driver