UCC3750DWTRG4
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Texas Instruments UCC3750DWTRG4

Manufacturer No:
UCC3750DWTRG4
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC TELECOM INTERFACE 28SOIC
Delivery:
Payment:
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Product Introduction

Overview

The UCC3750DWTRG4 is a Source Ringer Controller IC produced by Texas Instruments. This component provides a comprehensive control and drive solution for four-quadrant flyback-based ring generator circuits, making it an essential part of telecommunications systems. The IC is designed to control a primary side switch and two secondary switches, acting as synchronous rectifier switches during positive power flow. It also features an onboard sine wave reference with programmable frequencies, making it versatile for different phone systems.

Key Specifications

Parameter Value
Part Number UCC3750DWTRG4
Manufacturer Texas Instruments
Function Ring Generator Controller
Operating Supply Voltage 4.5V to 5.5V
Operating Supply Current 0.5 mA
Operating Temperature Range 0°C to 70°C
Package / Case 28-SOIC (0.295", 7.50mm Width)
Mounting Type Surface Mount
Frequencies 20Hz, 25Hz, 50Hz

Key Features

  • Onboard sine wave reference with programmable frequencies (20Hz, 25Hz, 50Hz)
  • Controls primary and secondary switches for four-quadrant flyback-based ring generator circuits
  • Internal 3V and 7.5V references
  • Charge-pump circuit for gate drive voltage
  • Programmable DC current limit with buffer amplifier
  • Triangular clock oscillator and buffer amplifier for adding programmable DC offset to the output voltage
  • Uncommitted amplifier for other signal processing requirements

Applications

The UCC3750DWTRG4 is primarily used in telecommunications systems, particularly in ring generator circuits. It is suitable for various phone systems requiring different ringing frequencies. This IC is also useful in any application that requires a controlled and efficient ring generation, such as in telecommunication equipment, phone exchanges, and other communication devices.

Q & A

  1. What is the primary function of the UCC3750DWTRG4?

    The primary function of the UCC3750DWTRG4 is to provide control and drive solutions for four-quadrant flyback-based ring generator circuits.

  2. What are the programmable frequencies of the UCC3750DWTRG4?

    The UCC3750DWTRG4 has programmable frequencies of 20Hz, 25Hz, and 50Hz.

  3. What is the operating supply voltage range of the UCC3750DWTRG4?

    The operating supply voltage range is from 4.5V to 5.5V.

  4. What is the operating temperature range of the UCC3750DWTRG4?

    The operating temperature range is from 0°C to 70°C.

  5. What type of package does the UCC3750DWTRG4 come in?

    The UCC3750DWTRG4 comes in a 28-SOIC package.

  6. Is the UCC3750DWTRG4 RoHS compliant?

    No specific RoHS compliance information is available, but it is recommended to check the latest documentation from Texas Instruments for any updates.

  7. What are some key features of the UCC3750DWTRG4?

    Key features include an onboard sine wave reference, internal references, charge-pump circuit, programmable DC current limit, and an uncommitted amplifier.

  8. What are the typical applications of the UCC3750DWTRG4?

    The UCC3750DWTRG4 is typically used in telecommunications systems, phone exchanges, and other communication devices requiring ring generation.

  9. How does the UCC3750DWTRG4 control the ring generator circuit?

    The UCC3750DWTRG4 controls the primary side switch and two secondary switches, acting as synchronous rectifier switches during positive power flow, and it modulates these switches based on the onboard sine wave reference.

  10. Can the UCC3750DWTRG4 be used at frequencies other than 20Hz, 25Hz, and 50Hz?

Product Attributes

Function:Ring Generator Controller
Interface:- 
Number of Circuits:1
Voltage - Supply:5V
Current - Supply:500µA
Power (Watts):- 
Operating Temperature:0°C ~ 70°C
Mounting Type:Surface Mount
Package / Case:28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:28-SOIC
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Similar Products

Part Number UCC3750DWTRG4 UCC2750DWTRG4
Manufacturer Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Obsolete
Function Ring Generator Controller Ring Generator Controller
Interface - -
Number of Circuits 1 1
Voltage - Supply 5V 5V
Current - Supply 500µA 500µA
Power (Watts) - -
Operating Temperature 0°C ~ 70°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount
Package / Case 28-SOIC (0.295", 7.50mm Width) 28-SOIC (0.295", 7.50mm Width)
Supplier Device Package 28-SOIC 28-SOIC

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