LM3711XKBP-463

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Power management integrated circuit (PMIC) supervisors are electronic components used to manage and control the power running through a circuit, such as a computer or other electronic device. PMIC supervisors use principles such as resistors, transistors and integrated circuits to control the voltage and current in a circuit. The LM3711XKBP-463 is a dedicated PMIC supervisor designed to provide power supply and logic power rails to a single-sided, two-sided and four-sided smart power system (SPS) applications.

The LM3711XKBP-463 application field covers various SPS applications, such as telecom and datacom, AC/DC and DC/DC, medical and industrial equipment, home and appliance electronics, computer peripherals and automotive main systems. It is designed to be used for power monitoring and protection, including high-sensitivity supervisor, thermal protection, high-accuracy integrated A/D converter, programmable power-on reset and active clamp reset, programmable threshold voltage, and other advanced functions.

The LM3711XKBP-463 operates with an input voltage of 10V – 21V, and provides a single supply voltage range of 3V – 20V. It also supports a variety of logic power rails ranging from 3V to 5V and the active clamp reset is adjustable from 1.95V to 8.05V. It is built with an integrated PWM-based crowbar peak current accuracy and thermal protection.

The working principle of the LM3711XKBP-463 includes several different stages. The power monitoring stage consists of a high-accuracy voltage detector, a programmable power fail signal (PF) detect, a programmable power-on reset signal (POR), and other features. These features detect, monitor, and regulate the power running through the circuit. It is also equipped with a programmable power-on reset signal (POR), which resets the power rail when the power drops below the programmed limit. It also has an active clamp reset signal (ACR), which shorts out the power rail when it is above the designated voltage threshold.

The thermal protection stage of the LM3711XKBP-463 consists of two separate temperature channels for monitoring onboard and external thermal levels. It is able to detect, monitor and regulate temperature accuracies within a temperature range of -55°C to +125°C and a temperature resolution of 0.1°C. It also employs a high-sensitivity supervisor that senses and regulates current load in order to prevent overheating.

The LM3711XKBP-463 also has an integrated A/D converter, which allows for a wide range of programmable threshold voltages. The A/D converter works by measuring multiple points of the power rail, and then using a calibration algorithm to determine the threshold voltage. This allows for high accuracy while still providing a wide range of voltage choices.

In conclusion, the LM3711XKBP-463 is a dedicated PMIC supervisor designed for a variety of SPS applications. It provides power monitoring and protection, such as high-sensitivity supervisor and thermal protection, a programmable power-on reset and active clamp reset, and an integrated A/D converter for a wide range of programmable threshold voltages.

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