UCC2750 Datasheet (Unitrode) - Source Ringer Controller

UCC2750, Source Ringer Controller

The UCC3750 Source Ringer Controller provides a complete control and drive solution for a four quadrant flyback-based ring generator circuit.

The IC controls a primary side switch, which is modulated when power transfer is taking place from input to output.

It also controls two secondary switches wh

UCC2750 Features

* Provides Control for Flyback Based Four Quadrant Amplifier Topology

* Onboard Sine Wave Reference with Low THD

* Selectable Ringing Frequency for Different Phone Systems (20Hz, 25Hz and 50Hz)

* Programmable Output Amplitude and DC Offset

* DC Current Limitin