Product Overview: LTC4355CDE#TRPBF

The LTC4355CDE#TRPBF is a high-performance diode-OR controller and monitor from Linear Technology, designed to replace power Schottky diodes with N-channel MOSFETs in high-availability systems. This innovative solution provides a more efficient and reliable alternative to conventional diode-based ORing, which is commonly used in redundant power supply systems. By using MOSFETs, the LTC4355 reduces power consumption and heat dissipation, enhancing the overall efficiency and longevity of the system.

Key Features

• Diode Replacement: Replaces power Schottky diodes with N-channel MOSFETs for lower power dissipation and heat.
• Wide Operating Voltage Range: Suitable for systems with operating voltages from 9V to 80V, providing versatility across various applications.
• Low Quiescent Current: Features a low quiescent current of 7µA in shutdown, ensuring minimal power draw when the device is not active.
• Fast Switching: Fast turn-off of less than 1µs for reverse input voltages, contributing to the swift protection of the system.
• Gate Drive for External N-Channel MOSFETs: Provides gate voltage for optimal control of external MOSFETs, enhancing performance and reliability.
• Reverse Input Protection: Protects against reverse inputs, ensuring the system's safety and integrity.
• Status Outputs: Offers open-drain status outputs for Power Good and Fault conditions, allowing for easy system monitoring and diagnostics.
• Adjustable Overcurrent Protection: Features an adjustable threshold for overcurrent protection, enabling customization to specific system requirements.

Applications

The LTC4355 is ideal for a wide range of applications that require redundant power supplies, such as servers, telecom systems, data centers, industrial equipment, and other critical systems where uninterrupted power is essential. Its robust design and advanced features make it an excellent choice for enhancing system reliability and efficiency.

Package and Availability

The LTC4355CDE#TRPBF is available in a 12-lead DFN (4mm x 3mm) package, which is suitable for compact designs where space is at a premium. The product is also offered in tape and reel packaging, facilitating easy integration into automated manufacturing processes.