S-817B56AUA-CXTT2G

Introduction

S-817B56AUA-CXTT2G is a linear voltage regulator manufactured by Shindengen, a major semiconductor and electronics company. It is a step-down (buck) regulator that provides a regulated output from an unregulated input. It is used in many applications such as automotive, consumer, industrial and medical. The device offers advantages such as low quiescent current, good ripple rejection, fast transient response and good thermal stability. This article focuses on the application field and working principle of the S-817B56AUA-CXTT2G.

Application Field

S-817B56AUA-CXTT2G is a step-down (buck) regulator and it is widely used in various applications. It is suitable for automotive applications such as electric powertrain and connected cars. This device can also be used in automotive head units, coreless motor drivers, as well as battery-powered electronic devices. Other applications include monitor power supplies, computer supplies and digital simulations.

The S-817B56AUA-CXTT2G can be used in consumer electronics such as digital home appliances and portable products. Its stability and fast transient response makes it suitable for stereo amplifiers and other audio devices. This device is also well-suited for LED lighting, cameras, projectors and other video equipments. Industrial and medical applications such as process monitoring and medical diagnostic tools can also benefit from the high efficiency and low noise behavior of this device.

Working Principle

S-817B56AUA-CXTT2G is based on a linear voltage regulation circuit. The device is a step-down (buck) regulator, meaning it takes an unregulated input voltage and steps it down to a regulated output voltage. The device contains an on-chip NPN transistor, which switches to regulate the output voltage. The circuit uses a feedback network to sense the output voltage and a control circuit to adjust the regulation. By adjusting the duty cycle of the transistor, the output voltage can be accurately maintained at the set point.

The device also contains internal current-limiting, thermal shutdown and over-voltage protection circuitry. The current-limiting and over-voltage protection circuits protect the device from over-voltage and over-current conditions. The thermal shut-down circuit monitors the device temperature and will shut off the output if it exceeds the set temperature. This can protect the device from overheating and damage.

Conclusion

The S-817B56AUA-CXTT2G is a linear voltage regulator manufactured by Shindengen. It is a step-down (buck) regulator, which takes an unregulated input voltage and steps it down to a regulated output voltage. The device offers features such as low quiescent current, good ripple rejection, fast transient response and good thermal stability. It is suitable for many applications such as automotive, consumer, industrial and medical.