Texas Instruments

UCC3802DTR  

AC DC Converters, Offline Switches

UCC3802DTR Description

The UCC3802DTR is a versatile offline switch controller IC designed for a wide range of power management applications. Manufactured by Texas Instruments, this device is categorized under Power Management (PMIC) and is ideal for various topologies including Boost, Buck, Flyback, and Forward. The UCC3802DTR is available in an 8SOIC and package is suitable for surface mount applications. It features a robust set of technical specifications that make it a reliable choice for engineers and designers in the electronics industry.

UCC3802DTR Features

• Topology Versatility: The UCC3802DTR supports multiple topologies such as Boost, Buck, Flyback, and Forward, making it suitable for a variety of power conversion applications.
• Frequency Control: This IC offers frequency control, allowing for precise regulation of switching the frequency up to 1MHz. This high-frequency capability ensures efficient power conversion and reduced component size.
• Current Limiting: The UCC3802DTR includes current limiting as a fault protection feature, safeguarding the device and connected components from overcurrent conditions.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 8.3V to 12V, providing flexibility in power supply design.
• ** DutyHigh Cycle**: With a duty cycle of up to 99%, the UCC3802DTR can achieve high efficiency in power conversion, making it suitable for applications requiring minimal power loss.
• Low Start-Up Voltage: The UCC3802DTR has a low start-up voltage of 12.5V, enabling quick and reliable start-up in various operating conditions.
• Compliance and: Packaging The UCC3802DTR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It is packaged in a tape & reel (TR) format, facilitating easy handling and integration into automated assembly processes.

UCC3802DTR Applications

The UCC3802DTR is ideal for a range of applications due to its versatile topology support and high-performance features. Some specific use cases include:

• Power Supplies: The UCC3802DTR is well-suited for designing efficient power supplies in various electronic devices, including consumer electronics, industrial equipment, and telecommunications infrastructure.
• Adaptive Voltage Controllers: Its frequency control and high duty cycle make it an excellent choice for adaptive voltage controllers that require precise regulation and minimal power loss.
• Battery Chargers: The device's ability to operate in multiple topologies and its current limiting feature make it suitable for battery charging applications, ensuring safe and efficient charging processes.
• DC-to-DC Converters: The UCC3802DTR can be used in DC-to-DC converter designs, providing high efficiency and reliability in converting DC power from one voltage level to another.

Conclusion of UCC3802DTR

The UCC3802DTR from Texas Instruments is a highly versatile and efficient offline switch controller IC. Its support for multiple topologies, frequency control, and current limiting features make it a standout choice in the power management domain. With a wide supply voltage range, high duty cycle, and low start-up voltage, the UCC3802DTR offers significant performance benefits over similar models. Its compliance with environmental and regulatory standards, along with its surface mount packaging, ensures ease of integration into modern electronic designs. Whether used in power supplies, adaptive voltage controllers, battery chargers, or DC-to-DC converters, the UCC3802D deliversTR reliable and efficient power management solutions.

UCC3802DTR Documents

Download datasheets and manufacturer documentation for UCC3802DTR

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification 2024-08-28 (PDF)       Product Change Notification (PDF)      

Models :

UCC3802DTR Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

Application Notes :

Dual Output Boost Converter      

Technical Resources :

UCCX802 & UCCX813-2 TINA-TI Steady State Reference Design       UCCX802 & UCCX813-2 TINA-TI Startup Reference Design      

SPICE Models :

UCCX802 & UCCX813-2 TINA-TI Transient Spice Model       UCCx802 & UCCx813-2 Unencrypted PSpice Transient Model       UCCx813-2, UCCx802 Families PSpice Transient Model (Rev. B)