Texas Instruments

UC2849N

UC2849N Description

The UC2849N is a secondary side controller IC designed by Texas Instruments. This Through Hole mounted IC is housed in a Tube package and is specified for a supply current of 21 mA and a supply voltage range of 8V to 20V. It is categorized under Power Management (PMIC) and is ideal for applications requiring precise control and regulation of secondary side operations in power conversion systems. Despite being marked as obsolete, the UC2849N remains a reliable choice for legacy systems and specific applications where its unique features are required. It is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. The UC2849N has a Moisture Sensitivity Level (MSL) of 1, indicating it is not moisture sensitive and can be stored without special precautions.

UC2849N Features

The UC2849N offers several key features that distinguish it from other secondary side controllers:

• Supply Voltage Range: The wide supply voltage range of 8V to 20V makes it versatile for various power supply applications.
• Low Supply Current: With a supply current of only 21 mA, the UC2849N is highly efficient, minimizing power consumption and heat generation.
• Through Hole Mounting: This mounting type ensures robust mechanical stability and is suitable for applications requiring high reliability and durability.
• Compliance: The UC2849N is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety regulations.
• Moisture Sensitivity Level: With an MSL of 1, the UC2849N is not moisture sensitive, making it suitable for storage and use in a variety of environmental conditions.

UC2849N Applications

The UC2849N is well-suited for a range of applications in the power management sector, including:

• Power Supplies: Ideal for secondary side control in switch-mode power supplies (SMPS) and DC-DC converters.
• Industrial Equipment: Used in industrial applications where precise control and regulation of secondary side operations are required.
• Telecommunications: Suitable for telecom equipment where reliability and efficiency are paramount.
• Legacy Systems: Given its obsolete status, the UC2849N is particularly valuable for maintaining and repairing legacy systems that rely on this specific IC.

Conclusion of UC2849N

The UC2849N, despite being marked as obsolete, remains a valuable component for specific applications in the power management sector. Its wide supply voltage range, low supply current, and robust Through Hole mounting make it a reliable choice for secondary side control in various power conversion systems. The UC2849N's compliance with environmental and safety standards, along with its moisture sensitivity level of 1, ensures it can be used in diverse conditions without compromising performance or reliability. For applications requiring precise control and regulation, the UC2849N continues to offer unique benefits, making it a preferred choice for engineers and designers working with legacy systems or specialized power management requirements.