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LTC4359HMS8

LTC4359HMS8 Description

The LTC4359HMS8 from Analog Devices Inc. is an N+1 ORing controller designed for managing redundant power supplies in high-reliability systems. Operating over a wide 4V to 80V supply range, it ensures seamless power source switching with minimal voltage drop. This surface-mount IC (8MSOP package) eliminates the need for external MOSFETs by controlling N-channel MOSFETs to emulate ideal diodes, reducing power loss and improving efficiency. Its low 150 µA supply current and 220 µA output current make it ideal for power-sensitive applications.

LTC4359HMS8 Features

• Fast Switching: Features a 200 µs turn-on delay and 300 ns turn-off delay, ensuring rapid response to power source failures.
• Wide Voltage Range: Supports 4V to 80V inputs, suitable for telecom and industrial systems.
• Low Power Consumption: 150 µA typical supply current minimizes energy waste.
• N+1 Redundancy: Enables seamless ORing of multiple power supplies for fault-tolerant designs.
• ROHS3 Compliant & REACH Unaffected: Meets environmental and regulatory standards.
• No Internal Switches: Requires external MOSFETs, offering design flexibility.

LTC4359HMS8 Applications

• Telecom Infrastructure: Ensures uninterrupted power in base stations and network equipment.
• Redundant Power Supplies: Ideal for servers, data centers, and critical industrial systems.
• High-Availability Systems: Used in medical, aerospace, and automotive applications where power redundancy is essential.
• Energy-Efficient Designs: Suitable for battery-backed or low-power systems due to its minimal quiescent current.

Conclusion of LTC4359HMS8

The LTC4359HMS8 stands out for its wide voltage range, fast switching, and low power consumption, making it a superior choice for redundant power systems. Its ability to OR multiple power sources without internal switches provides design flexibility, while its robust performance ensures reliability in demanding environments. Whether for telecom, industrial, or high-availability systems, this ORing controller delivers efficiency and fault tolerance, aligning with modern power management needs.