Texas Instruments

UCC28085P

UCC28085P Description

The UCC28085P is a power management integrated circuit (PMIC) designed for offline switch push-pull applications. Manufactured by Texas Instruments, this device is housed in an 8-pin DIP package and features a through-hole mounting type. Despite its obsolete product status, the UCC28085P remains a robust solution for various power conversion needs.

Key specifications include a switching frequency range of 50kHz to 1MHz, which allows for efficient power conversion across a wide range of applications. The device operates with a supply voltage (Vcc/Vdd) of 8.3V to 15V and features a start-up voltage of 12.5V. The duty cycle is fixed at 49%, ensuring stable and reliable performance. Additionally, the UCC28085P offers isolated output, enhancing safety and reliability in power supply designs.

UCC28085P Features

• Frequency Control: The UCC28085P provides precise frequency control, enabling efficient power conversion and minimizing electromagnetic interference (EMI).
• Current Limiting: Integrated current limiting ensures protection against overcurrent conditions, safeguarding both the IC and the connected load.
• Wide Switching Frequency Range: With a range of 50kHz to 1MHz, this IC can be tailored to various power supply designs, optimizing efficiency and performance.
• Isolated Output: The isolated output feature enhances safety and reliability, making it suitable for applications where galvanic isolation is required.
• Compliance: The UCC28085P is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), this IC is suitable for a wide range of manufacturing environments without the need for special handling.

UCC28085P Applications

The UCC28085P is ideal for a variety of power management applications, including:

• Offline Power Supplies: Suitable for low-power, offline power supplies where efficiency and reliability are paramount.
• Adapters and Chargers: Ideal for applications requiring isolated output, such as adapters and chargers for consumer electronics.
• Industrial Power Supplies: The wide switching frequency range and current limiting features make it suitable for industrial applications where robustness and efficiency are critical.
• Medical Equipment: The isolated output and compliance with environmental standards make it a reliable choice for power supplies in medical devices.

Conclusion of UCC28085P

The UCC28085P from Texas Instruments is a versatile and reliable power management IC, offering a combination of precise frequency control, current limiting, and isolated output. Despite its obsolete status, it remains a valuable component for various power supply applications. Its wide switching frequency range, compliance with environmental standards, and robust performance make it an ideal choice for designers looking for a reliable and efficient power conversion solution.