S-T111B39MC-OGYTFG

Introduction

The S-T111B39MC-OGYTFG is a low-dropout (LDO) linear voltage regulator designed to provide voltage regulation in a wide variety of industrial and consumer applications. This highly efficient, user-friendly device offers a wide range of features that make it an excellent choice for a variety of applications, from small electronic devices to cell phones, laptops, and more. In this article, we will discuss the applications and working principle of the S-T111B39MC-OGYTFG.

Application

The S-T111B39MC-OGYTFG is a great choice for a variety of applications thanks to its wide input voltage range, low quiescent current, and excellent load regulation. It is especially well-suited for applications with limited input voltage sources, such as USB ports, solar panels, and battery-powered devices. It can also be used in low power line powered applications such as laptop power supplies or set-top box power supplies.

Due to its wide input voltage range, the S-T111B39MC-OGYTFG is also an ideal choice for automotive applications, where it can provide a regulated voltage source even when the input voltage fluctuates significantly. Additionally, it is widely used in telecom base stations and other applications that require a highly accurate and stable output voltage.

The S-T111B39MC-OGYTFG is also well-suited for applications that use both AC- and DC-powered components, as it can effectively regulate and reduce both ripple and noise from the input voltage. This makes it an ideal choice for applications such as 36V to 48V conversion, regulated HEV/EV charging, USB port power supplies, and more.

Working Principle

The S-T111B39MC-OGYTFG is a low-dropout linear voltage regulator, meaning that it operates using a linear topology. This topology works by controlling the current output of the regulator, which is determined by the difference between the input supply voltage (VIN) and the output voltage (VOUT). The regulator uses this difference to control the output current, thereby regulating the output voltage.

The S-T111B39MC-OGYTFG features a precision voltage reference, which ensures an accurate output voltage at all times. The reference voltage is held constant by a built-in bandgap reference, and is adjustable via an external resistor. This makes it easy to set the desired output voltage, or even adjust it dynamically to meet changing load requirements.

The S-T111B39MC-OGYTFG also includes several other features that enhance its performance and make it an efficient, user-friendly device. For example, it has a low quiescent current of 8.4mA, enabling low power dissipation at all times. Additionally, its output capacitor provides high ripple rejection and low output noise. Moreover, it includes a precision voltage reference and a temperature-compensated current limit circuit, which ensure reliable operation and fast response times.

Conclusion

The S-T111B39MC-OGYTFG is a versatile and user-friendly low-dropout linear voltage regulator that is well-suited for a wide range of applications. It features a wide input voltage range, a low quiescent current of 8.4mA, and a precision voltage reference that allows the output voltage to be adjusted easily. Additionally, it includes a temperature-compensated current limit circuit, which ensures reliable operation and fast response times. All in all, the S-T111B39MC-OGYTFG is an excellent choice for a variety of industrial and consumer applications.