LTC4241IGN#TRPBF

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LTC4241IGN#TRPBF, part of the PMIC (Power Management Integrated Circuits) Hot Swap Controllers series, is designed to protect systems and components from inrush currents, over voltages, and faults. The device utilizes a MOSFET that quickly turns on and off to limit load current and protect the system without requiring an external sense resistor. The device has an operating temperature range of -40°C to +85°C and a total quiescent power dissipation of 120mW.

The Hot Swap Controllers Series monitors the power supply voltage and uses an onboardN-channel MOSFET as a switch to quickly turn on and off the supply to the system components. It provides (1) overload protection from short-circuit and power supply failures, (2) protection from overcurrent faults, (3) protection from overvoltage faults, and (4) protection from inrush current. It has a wide range of operating temperature of –40°C to +85°C and is available in various packages.

In order to operate, the LTC4241IGN#TRPBF requires at least 0.8V on the power supply and 5V on the bias voltage. When the power supply voltage rises above 0.8V, the MOSFET passes a current through a sense resistor to the load, limiting the current to the load. When the load current exceeds the limit, the device will shut of the MOSFET, protecting the system. The device also contains a power supply and current monitor, which is used to provide diagnostic information.

The LTC4241IGN#TRPBF can sense the voltage level by using two levels of the drop detection circuit. In its normal operation, the device monitors the amount of power being supplied to the load, and when the current exceeds the user-defined limit, it will turn off the MOSFET and shut off the power supply. The device can also be used to protect against over voltage conditions and inrush current. In the event of an overvoltage condition, the device will shut of the MOSFET and disconnect the power supply from the load, thus protecting the system.

The LTC4241IGN#TRPBF can be used in a variety of applications, including computer and telecommunications systems, industrial systems, and consumer electronics. It is ideal for applications that require protection from short-circuit, over current, overvoltage and inrush current. The device also provides diagnostic information for system failures.

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