Product Overview: LTC4421IG#PBF

The LTC4421IG#PBF is a robust, high-performance power path controller from Analog Devices Inc., designed to ensure seamless power supply management in critical applications. This intelligent device provides a seamless transition between two power sources, making it an ideal solution for systems that require a reliable backup power source or dual supply systems.

Key Features

• Dual Ideal Diode Controller: The LTC4421IG#PBF integrates two ideal diode controllers, offering low loss power path management and ensuring minimal voltage drop across the diodes.
• Automatic Switchover: The device automatically switches between supplies when the primary voltage falls below the secondary source, ensuring uninterrupted operation.
• Wide Operating Voltage Range: With an operating range of 2.5V to 18V, this controller can accommodate a broad spectrum of power systems.
• Adjustable Under-Voltage Lockout: Users can set an under-voltage lockout threshold to prevent the device from switching to a low-quality power source.
• Low Quiescent Current: The LTC4421IG#PBF boasts a low quiescent current, making it suitable for battery-powered and energy-efficient applications.
• High Current Capability: It can handle high currents, making it suitable for a wide range of applications, including industrial, automotive, and portable devices.
• Robust Protection Features: The controller includes over-current protection, thermal shutdown, and reverse input protection to safeguard the system under harsh conditions.

Applications

The LTC4421IG#PBF is versatile and can be used in multiple applications that require reliable power supply management, including:

• Redundant Power Systems
• Industrial Power Supplies
• Automotive Power Systems
• Portable and Battery-Powered Equipment
• Medical Devices with Critical Power Requirements

Quality and Reliability

Analog Devices Inc. is known for its commitment to quality, and the LTC4421IG#PBF is no exception. It is available in a robust 16-lead SSOP package, ensuring durability and longevity in a variety of environments. The device is also characterized for operation from -40°C to 85°C, making it suitable for industrial temperature ranges.

With its advanced features and reliable performance, the LTC4421IG#PBF from Analog Devices Inc. is a top-tier solution for managing dual power supplies in demanding applications.