Unitrode Tariff Inquiry

UCC3817DW

UCC3817DW Description

The UCC3817DW is a high-performance BICMOS Power Factor Pre-Controller designed for power management applications. Manufactured by Unitrode, this device operates within a temperature range of 0°C to 70°C and is suitable for surface mount applications. It features an average current mode of operation, ensuring precise control and regulation of power delivery. The UCC3817DW is equipped with a switching frequency range of 6kHz to 220kHz, providing flexibility for various power conversion needs. It supports a supply voltage range of 12V to 17V and has a low startup current of 150 µA, making it energy-efficient. The device is classified under ECCN EAR99 and HTSUS 8542.39.0001, and it is available in bulk packaging.

UCC3817DW Features

The UCC3817DW offers several unique features that set it apart from similar models in the market:

• Wide Operating Temperature Range: The 0°C to 70°C operating temperature range ensures reliable performance in various environmental conditions.
• Average Current Mode: This mode provides superior transient response and line regulation, making it ideal for applications requiring precise current control.
• Flexible Switching Frequency: The 6kHz to 220kHz frequency range allows for optimized design flexibility, enabling engineers to tailor the device to specific application requirements.
• Low Startup Current: The 150 µA startup current minimizes power consumption during the initial startup phase, contributing to overall energy efficiency.
• Surface Mount Compatibility: The surface mount design simplifies integration into modern, space-constrained electronic systems.
• Robust Supply Voltage Range: The 12V to 17V supply voltage range ensures compatibility with a variety of power sources, enhancing the device's versatility.

UCC3817DW Applications

The UCC3817DW is well-suited for a variety of power management applications, including:

• Power Factor Correction (PFC): Ideal for improving the power factor in AC-DC power supplies, ensuring efficient power delivery and compliance with regulatory standards.
• Switch-Mode Power Supplies (SMPS): Enhances the performance of SMPS by providing precise control and regulation of power conversion.
• Uninterruptible Power Supplies (UPS): Ensures reliable power delivery in UPS systems, maintaining power quality during utility power fluctuations.
• Industrial Power Systems: Suitable for industrial applications requiring high efficiency and robust performance in power conversion and distribution.

Conclusion of UCC3817DW

The UCC3817DW is a versatile and high-performance power factor pre-controller that offers significant advantages over similar models. Its wide operating temperature range, average current mode, flexible switching frequency, and low startup current make it an ideal choice for a variety of power management applications. The surface mount design and robust supply voltage range further enhance its suitability for modern electronic systems. Whether used in power factor correction, switch-mode power supplies, uninterruptible power supplies, or industrial power systems, the UCC3817DW delivers reliable performance and energy efficiency.