Texas Instruments

UCC3817ADR

UCC3817ADR Description

The UCC3817ADR is a Power Factor Correction (PFC) controller IC designed for high-efficiency power conversion applications. Manufactured by Texas Instruments, this IC operates in Average Current Mode, providing precise control over the input current to ensure high power factor and low total harmonic distortion (THD). The UCC3817ADR is housed in a 16-pin SOIC package and is available in Tape & Reel (TR) format, making it suitable for surface mount applications.

UCC3817ADR Features

• Operating Temperature Range: The UCC3817ADR is designed to operate within a temperature range of 0°C to 70°C, making it suitable for a wide range of industrial and consumer applications.
• Switching Frequency: With a switching frequency range of 6kHz to 220kHz, the UCC3817ADR offers flexibility in designing power conversion circuits that can meet various efficiency and size requirements.
• Supply Voltage: The IC operates on a supply voltage between 12V and 17V, ensuring compatibility with standard power supply systems.
• Low Startup Current: The UCC3817ADR features a low startup current of 150 µA, which helps in reducing power consumption during the initial startup phase.
• Compliance and Safety: The UCC3817ADR is REACH Unaffected and RoHS3 Compliant, ensuring it meets environmental and safety standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the UCC3817ADR is suitable for storage and handling in various environmental conditions without the need for special precautions.

UCC3817ADR Applications

The UCC3817ADR is ideal for applications requiring high power factor correction and efficient power conversion. Its key applications include:

• AC-DC Power Supplies: The UCC3817ADR is well-suited for high-efficiency AC-DC power supplies used in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Uninterruptible Power Supplies (UPS): The IC's ability to maintain a high power factor and low THD makes it an excellent choice for UPS systems, ensuring reliable power delivery and reduced energy loss.
• Motor Drives: The UCC3817ADR can be used in motor drive applications where precise control over input current is necessary to achieve high efficiency and performance.
• Renewable Energy Systems: In solar inverters and other renewable energy systems, the UCC3817ADR helps in optimizing power conversion efficiency and ensuring grid compatibility.

Conclusion of UCC3817ADR

The UCC3817ADR, despite being an obsolete product, remains a valuable component for power management applications due to its robust features and performance benefits. Its ability to operate in Average Current Mode, combined with a wide switching frequency range and low startup current, makes it an efficient choice for various power conversion needs. The UCC3817ADR's compliance with environmental and safety standards further enhances its suitability for modern electronic designs. While newer alternatives may offer additional features, the UCC3817ADR continues to be a reliable option for applications requiring high power factor correction and efficient power conversion.