LTC4261CGN-2#PBF

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LTC4261CGN-2#PBF Application Field and Working Principle: PMIC – Hot Swap Controllers

The LTC4261CGN-2#PBF is a high-performance, integrated power over current protection (OCP) switch device designed for power sourcing applications. It integrates a hot swap MOSFET and current sense resistor, providing low resistance path for power at all times. The features of this device also include soft start, circuit breaker, and temperature protection. The LTC4261CGN-2#PBF is used in a wide range of applications in power supplies, like high-end routers and switches, server motherboards, and enterprise storage systems.

The LTC4261CGN-2#PBF is a two-channel PMIC – Hot Swap Controller that operates within a standard voltage range of 2.6V to 14V. It has a maximum current rating of up to 6A. It provides maximum circuit breaker current and constant current limiting. It also has a power-on reset and over-temperature protection. It is available in a low-profile SOT-23-5 package.

The LTC4261CGN-2#PBF can be used for limiting the maximum output current in a system, protecting against fault conditions such as shorts, fuse opens, current spikes, or over temperature conditions. This device is designed for use with dual-terminal power modules, where the output voltage and power need to be managed. It can also be used to control the current from a single source to multiple loads, and to individually monitor the current in each load. By using the LTC4261CGN-2#PBF, users can avoid the need for needing extra hardware components to prevent overloads.

The main working principle of the LTC4261CGN-2#PBF is based on the monitoring of over-current conditions. It continuously monitors the current flowing through the MOSFETs and turns off the load when the threshold voltage of the sense resistor is exceeded. Additionally, the device provides a low resistance path for the current that passes through it during normal operation, which ensures better efficiency and faster response time than traditional analog solutions.

The LTC4261CGN-2#PBF provides a wide variety of features such as soft-start and circuit breaker. The soft start feature increases safety by gradually ramping up current to prevent system surges. The circuit breaker allows for the detection of overcurrent fault conditions and breaks the connection when threshold voltage is exceeded, increasing safety and reliability of the system. The device also has thermal protection that shuts off the load when the temperature of the device exceeds a certain threshold.

In conclusion, the LTC4261CGN-2#PBF is a powerful integrated hot swap device designed for use in a wide range of applications. It provides an efficient current limiting solution and can be used to control current from one source to multiple loads. It has several protection features that ensure safety and reliability. It is available in a low-profile SOT-23-5 package, making it an ideal solution for space-constrained environments.

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