UCC2750 Datasheet - Unitrode

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

UCC2750-Unitrode.pdf