Texas Instruments

UCC38085D

UCC38085D Description

The UCC38085D is a high-performance offline switch-mode push-pull controller designed for power management applications. Manufactured by Texas Instruments, this IC is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8SOIC package. The UCC38085D operates within a temperature range of 0°C to 70°C (TA) and is suitable for surface mount applications. It features a wide switching frequency range of 50kHz to 1MHz, providing flexibility in designing power conversion circuits. The device is RoHS3 compliant and REACH unaffected, ensuring it meets environmental and regulatory standards. With a startup voltage of 12.5V and a supply voltage range of 8.3V to 15V, the UCC38085D is designed for robust and reliable performance. It offers isolated output and a duty cycle of 49%, making it ideal for applications requiring precise control and isolation.

UCC38085D Features

• Frequency Control: The UCC38085D provides precise frequency control, allowing designers to optimize the switching frequency for efficiency and performance. This feature is particularly beneficial in applications where minimizing electromagnetic interference (EMI) and maximizing power conversion efficiency are critical.
• Current Limiting: The device includes current limiting as a fault protection mechanism, ensuring safe operation under overcurrent conditions. This feature helps protect the IC and connected components from damage, enhancing the overall reliability of the power management system.
• Wide Operating Voltage Range: With a supply voltage range of 8.3V to 15V, the UCC38085D can operate efficiently across a broad range of input voltages, making it suitable for various power supply designs.
• Isolated Output: The isolated output feature of the UCC38085D ensures that the primary and secondary circuits are electrically isolated, providing enhanced safety and performance in applications where galvanic isolation is required.
• Surface Mount Compatibility: The surface mount mounting type allows for easy integration into compact and high-density PCB designs, making it ideal for modern electronics where space is a premium.
• Environmental Compliance: The UCC38085D is RoHS3 compliant and REACH unaffected, ensuring it meets stringent environmental and regulatory standards. This compliance is crucial for manufacturers aiming to produce eco-friendly and sustainable products.
• Wide Temperature Range: Operating within a temperature range of 0°C to 70°C (TA), the UCC38085D is suitable for a variety of industrial and consumer applications, ensuring reliable performance in different environmental conditions.

UCC38085D Applications

The UCC38085D is well-suited for a range of power management applications, including:

• Power Supplies: Ideal for offline switch-mode power supplies, the UCC38085D provides efficient and reliable power conversion, making it suitable for applications such as wall adapters, chargers, and other consumer electronics.
• Industrial Equipment: The device's wide operating voltage range and robust fault protection make it suitable for industrial applications where reliability and efficiency are paramount.
• Telecommunications: The UCC38085D's isolated output and precise frequency control make it an excellent choice for power supplies in telecommunications equipment, ensuring safe and efficient operation.
• Consumer Electronics: The compact surface mount package and wide temperature range make the UCC38085D suitable for consumer electronics, including home appliances, audio equipment, and other devices requiring efficient power management.

Conclusion of UCC38085D

The UCC38085D from Texas Instruments is a versatile and reliable offline switch-mode push-pull controller designed for a wide range of power management applications. Its unique features, such as frequency control, current limiting, and isolated output, provide significant advantages over similar models. The device's wide operating voltage range, robust fault protection, and environmental compliance make it an ideal choice for modern power supply designs. Whether used in consumer electronics, industrial equipment, or telecommunications, the UCC38085D ensures efficient, reliable, and safe power management.