LT8631EFE#TRPBF

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The LT8631EFE#TRPBF is a monolithic high frequency DC - DC switching regulator designed to provide high current and high efficiency across the entire load range.The wide input voltage range of 2.7V to 5.5V and adjustable output voltage from 0.8V to 4.5V allows the device to be used in any application that requires a regulated power supply, from industrial and automotive to consumer applications.The LT8631EFE#TRPBF supports a wide range of applications using PWM and PFM-PWM conversion modes.In PWM mode, the device supports operating frequencies up to 1.5MHz, and in PFM-PWM mode, it supports frequencies up to 400kHz.

The LT8631EFE#TRPBF has differential sensing inputs that allow for remote sensing of the output voltage and improved system accuracy.A wide array of features, such as overvoltage protection, undervoltage protection, short circuit protection, precision enable control, soft-start, overcurrent protection, and dual-mode current sharing on an externally adjustable 500mA current limit makes the LT8631EFE#TRPBF an ideal solution for applications requiring low noise, long battery life, and a low BOM count.

Working Principle

The LT8631EFE#TRPBF is based on a switching regulator topology, often referred to as a ‘buck converter’.It is designed primarily to step-down the input voltage, taking power from a higher voltage source and outputting it at a lower voltage.The buck converter works by cycling the switching transistor on and off at a high frequency, allowing only a fraction of the input voltage to reach the output.By controlling the on and off times of the switching transistor, the output voltage can be adjusted to the desired level.The LT8631EFE#TRPBF is designed to operate with a high switching frequency, allowing it to achieve very high efficiencies in even the most demanding applications.

Application Field

The LT8631EFE#TRPBF is a highly flexible and efficient DC - DC switching regulator ideal for a wide range of applications.It can be used in power- and battery-based industrial equipment, consumer devices, automotive systems, and portable and wearable electronics.The wide input voltage range, adjustable output, and comprehensive protection features make it well-suited for a variety of applications requiring a regulated power supply.The adjustable output voltage and two high frequency PWM modes make it ideal for applications where high efficiency and low noise are paramount.

The LT8631EFE#TRPBF is a versatile and efficient power solution suited for a variety of applications.It has a wide input voltage range, adjustable output, and comprehensive protection features to ensure reliable operation.It supports operation in PWM and PFM-PWM conversion modes, with higher frequencies available in PWM mode, allowing it to achieve very high efficiencies.The differential sensing inputs, high current limit and undervoltage lockout all make the LT8631EFE#TRPBF an ideal choice for a wide range of power and battery based applications.

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