S-1137A21-I6T2U

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The S-1137A21-I6T2U is a linear voltage regulator specifically designed to provide precise voltage control with low noise, low dropout, and fast transient response characteristics. This device is suitable for a wide range of consumer and industrial applications, such as automotive, telecommunications, consumer audio/video products, computers, and peripherals. This article will discuss the application fields and working principles of the S-1137A21-I6T2U.

Application Fields

The S-1137A21-I6T2U is designed for low power output applications of up to 1.5A. It can be used in a variety of consumer, industrial, automotive and embedded system applications, including:

• SAW filter-based wireless charging systems
• Point-of-Load (POL) regulators for DC/DC converters
• On-board voltage regulation in automotive systems
• Sensor & analog supply rail regulation
• Power management in computing, video, and audio equipment
• Power management in embedded control systems

It has a wide input voltage range of 2.5 V to 15 V, and can output up to 1.5A with a low quiescent current of only 35uA.

Working Principle

The S-1137A21-I6T2U is a linear voltage regulator specifically designed for accurate voltage adjustment over a wide range of input and output voltages. It is designed to be a low-dropout regulator, meaning that the input-output voltage differential is very low. This is important for energy efficiency and helps reduce the power loss in the circuit. The device also has a fast transient response time, allowing it to react quickly to changes in load demands.

The S-1137A21-I6T2U uses a three-terminal design for the input and output terminals, with the ground terminal also connected internally. An internal voltage-reference circuit is also included, which helps ensure steady and accurate output despite input voltage variations. The device also includes a range of protection features, such as over-temperature protection, overvoltage protection, and reverse-current protection.

In operation, the S-1137A21-I6T2U takes the input voltage, compares it to a voltage reference, adjusts the output voltage accordingly, and provides an output of this new voltage to the load. The output can be adjusted using the enable pin, which allows the output to be controlled from a digital signal such as a microprocessor.

The S-1137A21-I6T2U is specifically designed for providing precise voltage control with low dropout and fast response time. It is suitable for a wide range of consumer, industrial, automotive and embedded system applications. It has a wide input voltage range and can output up to 1.5A with a low quiescent current. The device also includes a range of protection features to help ensure reliable operation.

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