S-812C21AUA-C2BT2G

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The S-812C21AUA-C2BT2G is a linear voltage regulator, and is used to provide a steady power source when integrated in a system and to limit the voltage to a safe level. It has a wide range of applications, including tablets, smartphones, cars, industrial equipment, and consumer electronics. This article will discuss the S-812C21AUA-C2BT2G\'s application field and working principle.

The S-812C21AUA-C2BT2G is a low dropout linear voltage regulator, with a typical dropout voltage of just 1.1V. This makes it highly suitable for applications that higher precision is needed, such as in automotive electronics, power management systems and portable devices. Additionally, it features a high operating temperature range of -40 to 125°C and a wide input voltage range of 2.7 to 10V and a 2.3 to 15V output voltage range. It has a maximum output current of 1.1A, which makes it ideal for powering even large loads. Furthermore, it has a high output ripple rejection of 50dB and good delay stability, which makes it suitable for critical applications.

The S-812C21AUA-C2BT2G works on the principle of a linear voltage regulator. It has an internal error amplifier which compares the output voltage to a reference voltage. When the difference between the output voltage and reference voltage grows, the error amplifier sends a signal to the pass device to increase the current, which in turn increases output voltage. Conversely, when the difference decreases, a signal is sent to the pass device to reduce the current, thus reducing the output voltage. This type of linear regulator is commonly used to provide a steady and precise output voltage. Due to its design, it has a high efficiency, with a typical efficiency of 79.9%.

The S-812C21AUA-C2BT2G also has several other features to aid in its applications. It has built in protections such as over current, over voltage and thermal protection, which makes it suitable for industrial and automotive applications. It also has low noise output with no switching noise, making it suitable for use in audio applications. Additionally, it has a low quiescent current of 8mA and a fast response time of 3.2µs, making it suitable for a wide range of applications.

In conclusion, the S-812C21AUA-C2BT2G is a linear voltage regulator that is suitable for a wide range of applications, such as tablets, smartphones, cars, industrial equipments and consumer electronics. It works on the principle of a linear voltage regulator, whereby an internal error amplifier compares the output voltage to a reference voltage, and when the difference changes, it sends a signal to the pass device to regulate the current. It features a wide range of features, such as low dropout voltage, high operating temperature range, low quiescent current and fast response time, making it well suited for a variety of applications.

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