S-13R1H18-A4T2U3

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The S-13R1H18-A4T2U3 is a linear voltage regulator. It is a three-terminal device that provides an adjustable output voltage with low dropout performance and excellent line and load regulation. This device operates over a wide input voltage range and is suitable for a variety of applications.

Basic Configuration and Overview

The S-13R1H18-A4T2U3 is a three-terminal device consisting of an input voltage VIN, an output voltage VOUT, and a ground connection. The output voltage can be adjusted from 0.8V to 5.8V by adjusting the external resistor divider. This device is a monolithic integrated circuit, where the output voltage is maintained below 1.3V throughout the current limiting and thermal shutdown ranges. This device is available in the SOT-23 package.

Performance and Features

It features a low dropout voltage (DVOUT) from 400mV to 550mV, low ground current, low quiescent current, reverse current protection, current limiting protection, and thermal shutdown protection. This device also offers high ripple rejection (RR), high power supply rejection ratio (PSRR), and a wide operating temperature range of –40°C to 125°C. Additionally, it has a good ripple canceling effect and can be used in power supply circuits that require high noise immunity.

The S-13R1H18-A4T2U3 is an excellent solution for a wide range of applications, including battery-powered equipment, portable electronics, and industrial instrumentation. It is also suitable for automotive applications and can be used to provide a smooth and reliable power supply for critical functions. Moreover, this device can be used in applications that require minimal quiescent current for extended battery life.

Working Principle

The basic working principle of the S-13R1H18-A4T2U3 is simple. When its input voltage Vin is applied, the device’s reference voltage is established, thus controlling the output voltage. The voltage is then converted to a higher voltage level at the output. The device is capable of providing a wide range of output voltages, from 0.8V to 5.8V, with an associated dropout voltage of 400mV to 550mV. An external resistor divider network is used to set the output voltage to the desired value. In addition, it has a current limiting protection as well as a thermal shutdown protection to protect against over-current and over-temperature conditions.

Conclusion

The S-13R1H18-A4T2U3 is a linear voltage regulator suitable for a wide range of applications. It has a wide operating range, low quiescent current, reverse current protection, current limiting protection, and thermal shutdown protection. This device can also provide a smooth and reliable power supply for critical functions with minimal quiescent current and high noise immunity. Its application range includes battery-powered equipment, portable electronics, and automotive applications.

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