Datasheet Summary
Source Ringer Controller application INFO available
UCC2750 UCC3750
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 Limiting for Short Circuit Protection
- Secondary Side Voltage Mode Control
- Operates from a Single 5V Supply
TYPICAL APPLICATION
DESCRIPTION
The UCC3750 Source Ringer Controller provides a plete 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...