Texas Instruments

UC2866N

UC2866N Description

The UC2866N is an offline switch-mode power supply controller designed by Texas Instruments, a leading manufacturer in the electronics industry. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a 16-pin DIP package. Despite its obsolete status, the UC2866N remains a notable choice for specific applications due to its robust design and versatile features.

UC2866N Features

• ECCN Classification: The UC2866N is classified under ECCN EAR99, indicating it is not subject to specific export controls.
• Mounting Type: It features a Through Hole mounting type, which is ideal for applications requiring robust mechanical stability and ease of installation.
• Internal Switch: The UC2866N includes an internal switch, simplifying the design and reducing the need for external components.
• Control Features: It incorporates a Soft Start feature, which helps in reducing inrush current during startup, thereby enhancing the reliability and longevity of the power supply.
• Switching Frequency: The device operates within a wide frequency range of 10kHz to 1MHz, offering flexibility in designing power supplies with varying output requirements.
• Compliance: The UC2866N is REACH Unaffected and ROHS3 Compliant, ensuring it meets stringent environmental and safety standards.
• Voltage Specifications: It has a startup voltage of 16.5V and a supply voltage range of 10.5V to 22V, making it suitable for a variety of power supply applications.
• Packaging: The UC2866N is available in a Tube package, which is ideal for bulk handling and storage.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the UC2866N is highly resistant to moisture, ensuring reliability in various environmental conditions.

UC2866N Applications

The UC2866N is well-suited for applications requiring a reliable and efficient offline switch-mode power supply. Its wide operating voltage range and internal switch make it ideal for:

• Power Adapters: Providing a stable and efficient power source for various electronic devices.
• Charger Circuits: Ensuring safe and efficient charging for batteries in consumer electronics.
• Low-Power Systems: Ideal for applications where power efficiency and compact design are critical.

Conclusion of UC2866N

The UC2866N, despite being obsolete, continues to offer significant value in specific power management applications. Its robust design, wide operating frequency range, and internal switch capabilities make it a reliable choice for engineers and designers. The device's compliance with environmental and safety standards further enhances its appeal. While newer alternatives may exist, the UC2866N remains a viable option for those seeking a proven and versatile power supply solution.