LT3091EDE#TRPBF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The LT3091EDE#TRPBF belongs to a linear voltage regulator family and is dedicated to a variety of power management applications. It is optimized to provide the best possible transient response and to provide high accuracy voltage control with a variety of input/output voltage combination. Integrating the power switch, it implements a flexible and low noise synchronous buck converter.

Input Voltage Range

The LT3091EDE#TRPBF linear regulator operates from a wide 4.5 V to 40 V input range and includes an input undervoltage lockout feature. Its input voltage range is wide enough to accommodate most automotive applications.

Output Voltage Range

The LT3091EDE#TRPBF provides a wide adjustable output voltage range from 0.45 V to 42 V and can be configured for either positive or negative output voltages. It supports up to 1.3 A continuous current and provides an output power level of 42 W.

Functionality Features

The LT3091EDE#TRPBF features numerous functions to ensure design flexibility and efficient system operation. Built-in programmable spread- spectrum EMI reduction, current-limit protection, soft start, and thermal protection are incorporated for enhanced system performance. In addition, the LT3091EDE#TRPBF has a power-OK output and a disable pin, which allows easy power sequencing.

Applications

The LT3091EDE#TRPBF device is ideal for a wide range of applications, such as industrial and automotive applications, communications, networking and computing systems. It is suitable for battery-powered systems, high current and high temperature environments, and also for space-constrained systems. In particular, it is an excellent choice for powering high-performance microprocessors and other sensitive analog parts.

Working Principle

The LT3091EDE#TRPBF linear regulator works by regulating the output voltage by adjusting the conducting time of the internal power switch. It works in constant frequency mode so that the output voltage ripple is minimized. It also comes with Pulse Frequency Modulation (PFM) feature, which allows for a greater range for operating input voltage. The LT3091EDE#TRPBF has an internal Main Switch and Synchronous Switch, which turns on and off alternately to reduce power dissipation and EMI. The output voltage is controlled with a Error Amplifier and a certain voltage control loop.

The specific data is subject to PDF, and the above content is for reference