Texas Instruments

UCC2803N

UCC2803N Description

The UCC2803N is a PWM (Pulse Width Modulation) controller designed for various power supply applications. Manufactured by Texas Instruments, this automotive-grade IC is housed in a through-hole package, specifically an 8-pin DIP (Dual In-line Package) tube. It operates within a supply voltage range of 3.6V to 11V and features a low supply current of 500 µA, making it highly efficient for power-sensitive designs. The UCC2803N is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. With a moisture sensitivity level (MSL) of 1 (unlimited), it is suitable for a wide range of manufacturing environments.

UCC2803N Features

• Low Supply Current: The UCC2803N's low supply current of 500 µA minimizes power consumption, making it ideal for applications where energy efficiency is critical.
• Wide Supply Voltage Range: Operating from 3.6V to 11V, the UCC2803N can accommodate a variety of power supply configurations, enhancing its versatility.
• Automotive Grade: Certified for automotive applications, the UCC2803N meets the stringent reliability and performance requirements of the automotive industry.
• Through-Hole Mounting: The through-hole mounting type ensures robust mechanical stability, which is crucial for applications subject to vibration and mechanical stress.
• Compliance and Safety: The UCC2803N is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards, making it suitable for global markets.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the UCC2803N can be safely stored and handled without the need for special moisture control measures.

UCC2803N Applications

The UCC2803N is well-suited for a variety of applications, particularly in the automotive sector, where its reliability and efficiency are paramount. Its wide supply voltage range and low supply current make it ideal for use in:

• Automotive Power Supplies: The automotive grade of the UCC2803N ensures it can withstand the harsh conditions often encountered in automotive environments.
• DC-DC Converters: The UCC2803N's PWM control capabilities make it suitable for efficient DC-DC conversion, providing stable power output.
• Battery Chargers: The low supply current and wide voltage range make the UCC2803N an excellent choice for battery charging applications, where efficiency and reliability are crucial.
• General Industrial Applications: The UCC2803N's robust design and compliance with environmental standards make it suitable for a range of industrial power supply applications.

Conclusion of UCC2803N

The UCC2803N PWM controller from Texas Instruments is a versatile and reliable solution for power supply applications, particularly in the automotive industry. Its low supply current, wide voltage range, and automotive-grade certification make it a standout choice for applications requiring high efficiency and reliability. While the UCC2803N is now obsolete, its legacy continues to influence the design of modern power supply controllers. For engineers and designers seeking a robust and efficient PWM controller, the UCC2803N remains a benchmark in performance and reliability.