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LTC4357HDCB#TRMPBF

LTC4357HDCB#TRMPBF Description

The LTC4357HDCB#TRMPBF from Analog Devices Inc. is an N+1 ORing controller designed for high-reliability power supply redundancy in demanding applications. This automotive-grade IC operates over a wide 9V to 80V supply range, making it suitable for telecom infrastructure, industrial systems, and automotive power distribution. Packaged in a 6DFN form factor with tape-and-reel (TR) delivery, it ensures seamless integration into surface-mount designs. The device features a low 500 µA supply current and a fast 300 ns turn-off delay, optimizing efficiency and fault response in redundant power architectures.

LTC4357HDCB#TRMPBF Features

• N+1 ORing Topology: Enables seamless power source switching for redundancy without voltage drops.
• Wide Voltage Range (9V–80V): Supports diverse power rails, including 12V, 24V, and 48V systems.
• Ultra-Fast Turn-Off (300 ns): Minimizes reverse current and protects against supply faults.
• Low Quiescent Current (500 µA): Reduces power loss in standby or light-load conditions.
• Automotive-Grade Reliability: Compliant with stringent automotive standards for harsh environments.
• No Internal Switches: Allows flexibility in external MOSFET selection for optimized performance.
• RoHS3 & REACH Compliant: Meets environmental and safety regulations.

LTC4357HDCB#TRMPBF Applications

• Redundant Power Supplies: Ensures uninterrupted operation in servers, base stations, and data centers.
• Telecom Infrastructure: Provides fault-tolerant power routing in 48V backplanes and PoE systems.
• Automotive Power Distribution: Safely manages dual-battery or alternator-based systems.
• Industrial Backup Systems: Protects critical loads during power source transitions.

Conclusion of LTC4357HDCB#TRMPBF

The LTC4357HDCB#TRMPBF stands out for its robust voltage range, rapid fault response, and automotive-grade durability, making it ideal for mission-critical power redundancy. Its N+1 ORing architecture and external MOSFET compatibility offer design flexibility, while its low power consumption enhances efficiency. Whether in telecom, automotive, or industrial systems, this controller delivers high reliability and performance where power continuity is paramount.