TCA280A Datasheet - Philips

TCA280A TRIGGER

II TCA280A TRIGGER MODULE The TCA280A is a monolithic integrated circuit designed for thyristor and triac control. It contains the following circuit sections: - d.c. power supply (intended for direct a. c. supply) - zero-crossing detector (for synchronization of the trigger circuit) - difference amplifier (used as a sensing amplifier) - ramp function generator (operating as the sawtooth oscillator in time,..proportional control) - output amplifier (amplifying the trigger pulses and fee.

TCA280A-Philips.pdf