Product Overview: LTC4420CMSE#PBF

The LTC4420CMSE#PBF is a robust power path controller designed by Linear Technology, now part of Analog Devices, to ensure seamless transition between two power sources. This advanced component is engineered to provide a reliable solution for systems that require a backup power supply to maintain uninterrupted operation.

Key Features

• Automatic Switching: The LTC4420CMSE#PBF automatically switches between the primary and secondary power supplies when it detects a failure or a significant drop in the primary source, without causing any interruption to the load.
• Wide Voltage Range: It is capable of operating over a wide voltage range, accommodating input voltages from 2.5V to 18V, making it suitable for a variety of applications.
• Low Loss: The device features low-loss N-channel MOSFETs that ensure high efficiency and minimal power dissipation during operation.
• Fast Switching: The LTC4420CMSE#PBF boasts fast switching capability, which is crucial for applications that cannot tolerate long switchover delays.
• Reverse Blocking: It includes reverse blocking protection that prevents reverse current from flowing when the secondary source is at a higher voltage than the primary source.
• Adjustable Under-Voltage Lockout: The under-voltage lockout threshold is adjustable, providing flexibility to set the voltage level at which the switch occurs based on system requirements.

Applications

Due to its versatility and reliability, the LTC4420CMSE#PBF is ideal for various applications, including:

• Redundant power supply systems
• Portable and battery-powered equipment
• Industrial and automotive systems
• Medical devices with critical power requirements
• Uninterruptible power supplies (UPS)

Product Specifications

The LTC4420CMSE#PBF is packaged in a compact 16-lead MSOP, which is suitable for space-constrained applications. It is characterized for operation from -40°C to 125°C temperature range, ensuring reliability across various environments. The part number indicates the product is provided in a lead-free finish, adhering to RoHS standards for environmental compliance.

With its combination of features, the LTC4420CMSE#PBF is a high-performance solution for managing dual power sources in critical systems, ensuring continuous operation and protection against power anomalies.