Texas Instruments

UC3823DWG4  

AC DC Converters, Offline Switches

UC3823DWG4 Description

The UC3823DWG4 is a high-performance offline switch IC designed for a variety of power conversion applications. Manufactured by Texas Instruments, this device is part of the AC DC Converters and Offline Switches category. It is housed in a 16SOIC package and is ideal for applications requiring robust and efficient power management solutions.

UC3823DWG4 Features

The UC3823DWG4 offers a comprehensive set of features that make it a versatile and reliable choice for power conversion designs. Key technical specifications include:

• Operating Temperature: The IC operates within a temperature range of 0°C to 70°C (TA), making it suitable for a wide range of environmental conditions.
• Topology: It supports multiple topologies including Boost, Buck, Flyback, and Forward, providing flexibility in design.
• Mounting Type: The surface mount design ensures ease of integration into compact and high-density PCB layouts.
• Control Features: The UC3823DWG4 includes frequency control and soft start capabilities, which enhance system stability and reduce inrush currents during startup.
• Fault Protection: Current limiting is implemented to protect the device and connected components from overcurrent conditions.
• Frequency - Switching: The device operates at a switching frequency of 1MHz, enabling high efficiency and reduced component size.
• Voltage - Start Up: A startup voltage of 9.2V ensures reliable operation even in systems with varying input voltages.
• Voltage - Supply (Vcc/Vdd): The supply voltage range of 8.4V to 30V provides compatibility with a broad spectrum of power sources.
• Duty Cycle: The device supports a 100% duty cycle, allowing for maximum efficiency and power delivery.
• Compliance: The UC3823DWG4 is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.

UC3823DWG4 Applications

The UC3823DWG4 is well-suited for a variety of applications where efficient power conversion and reliable operation are critical. Specific use cases include:

• Power Supplies: Ideal for designing efficient and compact power supplies for consumer electronics, industrial equipment, and telecommunications.
• Adaptive Voltage Control: The frequency control and soft start features make it suitable for applications requiring adaptive voltage control.
• Battery Chargers: The device's ability to handle multiple topologies and its current limiting feature make it a robust choice for battery charging circuits.
• DC-DC Converters: The UC3823DWG4 can be used in DC-DC converter designs where high efficiency and reliability are paramount.

Conclusion of UC3823DWG4

The UC3823DWG4 from Texas Instruments is a highly versatile and reliable offline switch IC, offering a comprehensive set of features and benefits. Its ability to support multiple topologies, combined with robust fault protection and compliance with environmental standards, makes it an excellent choice for a wide range of power conversion applications. Whether used in power supplies, battery chargers, or DC-DC converters, the UC3823DWG4 ensures high efficiency and reliable operation, making it a standout option in the electronics industry.

UC3823DWG4 Documents

Download datasheets and manufacturer documentation for UC3823DWG4

Images :

Mechanical Outline Drawing       Function Diagram      

Models :

UC3823DWG4 Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

Application Notes :

U-131 Simple Switchmode Lead-Acid Battery Charger