Fremont Micro Devices

FT821AA

FT821AA Description

The FT821AA is a Power Factor Correction (PFC) Controller designed for applications requiring efficient power management. Manufactured by Fremont Micro Devices Ltd, this IC is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8SOP package. The FT821AA operates in Discontinuous (Transition) mode, making it suitable for a wide range of power supply designs. It features a supply voltage range of 85V to2 65V AC, ensuring compatibility with various input power sources. The IC is designed for surface mount applications, offering ease of integration into modern electronic systems. With a startup current of just 50 µA, the FT821AA ensures minimal power consumption during the initial phase of operation. The product is classified under ECCN EAR99 and HTSUS code 8542.39.0001, indicating its compliance with international trade regulations. The FT821AA is REACH unaffected, ensuring it meets environmental and safety standards. Although the product is now obsolete, it remains a reliable choice for legacy systems and specific applications where its unique features are required.

FT821AA Features

• Discontinuous (Transition) Mode: The FT821AA operates in Discontinuous (Transition) mode, which is ideal for applications requiring high efficiency and low standby power consumption. This mode ensures optimal performance across a wide range of load conditions.
• Wide Voltage Range: With a supply voltage range of 85V to 265V AC, the FT821AA is versatile and can accommodate various input power sources, making it suitable for global applications.
• Surface Mount Package: The 8SOP package is designed for surface mount technology, offering ease of integration into modern electronic systems and ensuring compatibility with automated assembly processes.
• Low Startup Current: The FT821AA features a startup current of only 50 µA, minimizing power consumption during the initial phase of operation and contributing overall to system efficiency.
• Moisture Sensitivity Level (MSL) 1: The MSL rating of 1 (Unlimited) indicates that the FT821AA is not sensitive to moisture, making it suitable for a wide range of environmental conditions without need the for special handling or storage requirements.
• Compliance and Safety: Classified under ECCN EAR99 and HTSUS code 8542.39.0001, the FT821AA meets international trade regulations. Additionally, its REACH unaffected status ensures compliance with environmental and safety standards.

FT821AA Applications

The FT821AA is ideal for a variety of applications where efficient power management and high reliability are crucial. Some specific use cases include:

• Power Supplies: The FT821AA is well-suited for use in AC-DC power supplies, where its wide voltage range and efficient operation ensure reliable performance across different input conditions.
• Industrial Equipment: In industrial settings, the FT821AA can be used to manage power efficiently, contributing to reduced energy consumption and lower operating costs.
• Consumer Electronics: For consumer electronics that require efficient power management, the FT821AA offers a reliable solution with minimal power consumption during startup.
• Telecommunications: In telecommunications infrastructure, the FT821AA can help maintain power efficiency and reliability, ensuring stable operation of critical equipment.

Conclusion of FT821AA

The FT821,AA manufactured by Fremont Micro Devices Ltd, is a robust Power Factor Correction (PFC) Controller designed for efficient power management. Its wide voltage range, low startup current, and surface mount package make it a versatile choice for various applications, including power supplies, industrial equipment, consumer electronics, and telecommunications. Although the product is now obsolete, its unique features and compliance with international standards ensure it remains a reliable option for specific applications and legacy systems. The FT821AA's compliance with REACH and its MSL rating of 1 further enhance its suitability for a wide range of environmental conditions. For designers and engineers seeking efficient power management solutions, the FT821AA offers a proven and reliable choice.