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UCC3750

Part Number	UCC3750
Manufacturer	Unitrode
Description	Source Ringer Controller
Published	Apr 13, 2020
Detailed Description	Source Ringer Controller application INFO available UCC2750 UCC3750 FEATURES • Provides Control for Flyback Based Fou...
Datasheet	UCC3750 PDF File

Overview

...r 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 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 which act as synchronous rectifier switches d...

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