Texas Instruments

UCC28083DG4  

AC DC Converters, Offline Switches

UCC28083DG4 Description

The UCC28083DG4 is a high-performance, offline switch-mode push-pull controller designed for a wide range of power management applications. Manufactured by Texas Instruments, this IC is part of the Power Management (PMIC) category and is housed in an 8SOIC package. It features a surface-mount mounting type, making it suitable for compact and efficient designs. The device operates within a switching frequency range of 50kHz to 1MHz, providing flexibility in various power conversion applications.

The UCC28083DG4 is designed to work with a supply voltage (Vcc/Vdd) range of 8.3V to 15V, ensuring compatibility with a variety of power sources. It has a startup voltage of 12.5V, which ensures reliable operation under different input conditions. The device offers a duty cycle of 49%, which is ideal for maintaining efficient power conversion in push-pull configurations. Additionally, the UCC28083DG4 provides frequency control and current limiting as part of its fault protection features, ensuring robust and reliable performance.

UCC28083DG4 Features

• Frequency Control and Current Limiting: The UCC28083DG4 offers precise frequency control and current limiting, which helps in maintaining stable operation and protecting the circuit from overcurrent conditions.
• Wide Switching Frequency Range: With a switching frequency range of 50kHz to 1MHz, the UCC28083DG4 can be optimized for various power conversion applications, balancing efficiency and performance.
• Surface-Mount Technology: The surface-mount mounting type allows for compact and space-efficient designs, making it ideal for modern electronics where space is a premium.
• Wide Supply Voltage Range: The device operates within an 8.3V to 15V supply voltage range, providing flexibility and compatibility with different power sources.
• High Startup Voltage: The 12.5V startup voltage ensures reliable operation under varying input conditions, making it suitable for applications with fluctuating power supplies.
• Output Isolation: The UCC28083DG4 provides isolated output, which is crucial for applications requiring electrical isolation between the input and output stages.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for a wide range of manufacturing environments.

UCC28083DG4 Applications

The UCC28083DG4 is well-suited for a variety of power management applications, including:

• Offline Power Supplies: Ideal for applications requiring efficient and reliable offline power conversion, such as adapters and chargers.
• Push-Pull Converters: The device's push-pull configuration makes it suitable for high-efficiency power conversion in various electronic systems.
• Consumer Electronics: Suitable for applications in consumer electronics where compact size and high efficiency are critical.
• Industrial Equipment: The robust design and wide operating range make it ideal for industrial applications where reliability and performance are paramount.

Conclusion of UCC28083DG4

The UCC28083DG4 from Texas Instruments is a versatile and high-performance offline switch-mode push-pull controller. Its wide switching frequency range, surface-mount technology, and robust fault protection features make it an excellent choice for a variety of power management applications. The device's compliance with environmental and safety standards, along with its high startup voltage and output isolation, further enhance its suitability for modern electronics. Whether used in consumer electronics, industrial equipment, or offline power supplies, the UCC28083DG4 offers reliable and efficient power conversion, making it a standout choice in its category.

UCC28083DG4 Documents

Download datasheets and manufacturer documentation for UCC28083DG4

EOL :

Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing      

PCN :

Qualification of Alternate Material Set for Assembly with Au Wire and Cu as Additional Wire Base Metal Option for Select SOIC and SSOP Package Devices (PDF)       Product Change Notification 2024-08-28 (PDF)      

Models :

UCC28083DG4 Symbol & Footprint by SnapMagic      

Application Notes :

How to Specify the Current Sense Resistor in a Converter using the UCC28083 (Rev. A)       A New Synchronization Circuit for Power Converters (Rev. A)       Current Doubler Rectifier Offers Ripple Current Cancellation