MAX667MSA/PR

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The MAX667MSA/PR linear voltage regulator is a low-dropout (LDO) linear regulator suitable for a variety of applications, ranging from battery-powered devices to high-end computing systems. It features a compact design, low quiescent current, high power output, and the ability to operate from either a single voltage source or from two regulated voltages.

Overview

The MAX667MSA/PR is an efficient linear voltage regulator designed for applications that require a wide input voltage range and high output current capability. It accepts a DC voltage as an input and provides a constant output voltage within specified limits, using a single resistor for regulation. The MAX667MSA/PR can support input voltages from 2.125V to 17V and output voltages from 1.2V to 5V. It features an ultra low quiescent current of only 3.2 μA and a maximum output current of up to 2 A. The device also has an internal current limit and overvoltage protection that ensures safe operation. Thanks to its wide range of features, the MAX667MSA/PR can be used in applications such as cell phones, tablets, digital media players, and other portable devices.

Applications

The MAX667MSA/PR can be used to supply power to a wide range of electronic devices. It can be used to regulate the voltage for micro-controllers, radio receivers, smart phones and other portable devices. It can also be used for powering FPGAs, ASICs, and other high-end computing systems. In automotive applications, the MAX667MSA/PR can be used to supply the battery and driving circuits, as well as for energy management tasks. It can also be used in industrial and medical applications where a reliable and efficient power supply is required. Additionally, the MAX667MSA/PR can be used in battery chargers, LED drivers, and other power management applications.

Features

The MAX667MSA/PR has a number of features that make it an ideal solution for many applications. It offers a wide input voltage range of 2.75V to 17V, and a wide output voltage range of 0.6V to 5V. The device has an extremely low quiescent current of only 3.2 μA, and can handle output currents up to 2 A. Additionally, the MAX667MSA/PR offers over-voltage and current protection, ensuring safe operation. The device is operated with a single external resistor, and its output voltage is easily adjusted. It also has an internal bandgap reference and an on-chip temperature monitor, which provides temperature compensation and ensures a stable output voltage. Furthermore, the device is offered in a temperature range of -40°C to +85°C.

Working Principle

The MAX667MSA/PR is an efficient linear voltage regulator with a wide input and output voltage range. It works on the principle of an external resistor that is connected between the output and the ground. This external resistor is adjusted to get the required output voltage. The device takes this input voltage and passes it through an internal SCR (Silicon Control Rectifier) to the output. The SCR comprises of two transistors and a diode connected in series and parallel. The output voltage is regulated by controlling the SCR\'s sensitivity to input voltage.

The internal bandgap reference provides temperature compensation and ensures a stable output voltage. The on-chip temperature monitor monitors the temperature of the device and its surroundings. This ensures that the device does not overheat and its output remains accurate. The internal current limit and over-voltage protection also ensure safe operation and prevent any damage to the device.

Summary

The MAX667MSA/PR is a low-dropout linear voltage regulator that is suitable for a variety of applications. It accepts a DC voltage as an input and provides a constant output voltage within the specified limits. It has an ultra low quiescent current and can provide up to 2 A of output current. The MAX667MSA/PR is suitable for micro-controllers, radio receivers, smart phones and other portable devices, as well as for high-end computing systems, automotive applications, industrial and medical devices. It features an on-chip temperature monitor and an internal bandgap reference for temperature compensation, as well as an internal current limit and over-voltage protection for added safety. With its compact design and low footprint, the MAX667MSA/PR can be easily integrated into any system that requires a reliable, efficient power source.

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