Texas Instruments

UCC38085P

UCC38085P Description

The UCC38085P is an offline switch push-pull IC designed by Texas Instruments, specifically tailored for applications requiring efficient AC-DC conversion. This device is housed in an 8DIP package and is suitable for through-hole mounting, making it ideal for a variety of industrial and consumer electronics applications. Despite being marked as obsolete, the UCC38085P remains a reliable choice for engineers seeking a robust solution for their power conversion needs.

UCC38085P Features

The UCC38085P offers a comprehensive set of features that enhance its performance and reliability:

• Operating Temperature Range: The device operates effectively within a temperature range of 0°C to 70°C (TA), ensuring stability in various environmental conditions.
• Frequency Control: It incorporates advanced frequency control mechanisms, allowing for precise regulation of switching frequencies between 50kHz and 1MHz. This wide range provides flexibility in designing power supplies with varying power levels and efficiency requirements.
• Current Limiting: The UCC38085P includes current limiting as a fault protection feature, safeguarding the device and connected components from overcurrent conditions that could lead to damage.
• Isolated Output: The isolated output design ensures that the primary and secondary circuits are electrically separated, enhancing safety and reducing the risk of electrical shock.
• Supply Voltage: The IC operates within a supply voltage range of 8.3V to 15V, providing compatibility with a broad range of power supply systems.
• Start-Up Voltage: A start-up voltage of 12.5V ensures reliable activation of the device under specified conditions.
• Duty Cycle: The device supports a duty cycle of 49%, which is crucial for maintaining efficient power conversion in push-pull configurations.
• Compliance and Safety: The UCC38085P is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage life under normal conditions.

UCC38085P Applications

The UCC38085P is well-suited for a variety of applications, including:

• Power Supplies: Ideal for designing efficient power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Adapters and Chargers: Suitable for creating compact and efficient adapters and chargers for portable devices.
• Lighting Systems: Can be used in LED lighting where systems high efficiency and low power consumption are critical.
• Medical Devices: Given its compliance with safety standards, the UCC38085P can be used in medical devices requiring reliable power conversion.

Conclusion of UCC38085P

The UCC38085P, despite being marked as obsolete, remains a valuable component for engineers and designers seeking a reliable and efficient offline switch push-pull IC. Its wide operating temperature range, frequency control capabilities, and current limiting features make it a robust choice for various power conversion applications. The device's compliance with environmental and safety standards further enhances its appeal. While newer models may offer additional features, the UCC38085P continues to provide a proven solution for ACDC- conversion needs in a variety of industries.