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LT4250HCS8

LT4250HCS8 Description

The LT4250HCS8 from Analog Devices Inc. is a high-performance Hot Swap Controller designed for -48V power systems. Packaged in an 8-SOIC form factor, this surface-mount IC ensures safe board insertion and removal in live backplanes, preventing damaging inrush currents and voltage transients. Operating within a 0°C to 70°C temperature range, it features a low 1.6 mA supply current, making it energy-efficient for power-sensitive applications. The device complies with ROHS3 and REACH environmental standards, ensuring reliability in industrial and telecom environments.

LT4250HCS8 Features

• Programmable Protection: Configurable current limit, OVP (Overvoltage Protection), UVLO (Undervoltage Lockout), and latched fault response for robust system safety.
• Fault Timeout: Prevents prolonged fault conditions, enhancing system resilience.
• Single-Channel Control: Optimized for 1-channel power management in compact designs.
• No Internal Switch: Allows flexibility in external MOSFET selection for tailored power handling.
• Low Power Consumption: 1.6 mA operating current minimizes overhead in power-constrained setups.
• Industrial Compliance: EAR99 and HTSUS 8542.31.0001 classifications ensure broad market applicability.

LT4250HCS8 Applications

• Telecom/Networking Equipment: Protects -48V supply rails in routers, switches, and base stations.
• Industrial Power Systems: Safeguards hot-swappable modules in PLCs and distributed power architectures.
• Server/Data Center PSUs: Ensures safe hot-plugging of redundant power supplies.
• Medical Devices: Provides reliable power sequencing in critical diagnostic equipment.

Conclusion of LT4250HCS8

The LT4250HCS8 stands out for its programmable protection features, low power operation, and flexible external MOSFET support, making it ideal for high-reliability -48V systems. Its fault timeout and latched fault capabilities offer superior safety compared to basic hot-swap controllers. Whether in telecom, industrial, or data center applications, this IC delivers robust performance while adhering to stringent environmental and regulatory standards.