LTC3871HLXE#PBF

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LTC3871HLXE#PBF is a voltage regulator and switching controller produced by Linear Technology. It belongs to the family of DC/DC Switching Controllers and can be used in various applications like telecom, computing, industrial, and automotive.

The main feature of the LTC3871HLXE#PBF is its ability to provide a programmable current limit control. It uses an advanced hysteretic architecture to provide a current limit that is adjustable from 0A to 1.5A. This feature is ideal for applications such as power supplies and hot-swap systems. The device also provides a built-in overtemperature protection and overvoltage protection.

The LTC3871HLXE#PBF is designed to operate in buck and boost converter topologies. In buck mode, the internal MOSFET is fully on and all switching is done by the internal driver circuit. This provides a constant-frequency, constant-voltage output. In boost mode, the internal MOSFET is partially on and the output voltage is adjustable with the external resistor divider. This allows the output voltage to be increased or decreased depending on the application.

The LTC3871HLXE#PBF also features an output voltage readback pin, enabling accurate monitoring of the output voltage. This allows for real-time controllers to monitor the output voltage and adjust the PWM based on the current conditions. The device also includes a power good flag, allowing for accurate system power management.

In addition to its high performance, the LTC3871HLXE#PBF is also very small and lightweight. It is housed in a 6-pin Power SC-70 package, making it suitable for space-constrained applications. The device also has an extended temperature range, making it suitable for use in high temperature environments.

Overall, the LTC3871HLXE#PBF is a great choice for any high current, low voltage buck or boost applications. With its programmable current limit, overtemperature and overvoltage protection, output voltage readback, and other features, it is an ideal voltage regulator and switching controller for embedded systems.

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