XC6209F282MR-G Integrated Circuits (ICs)

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XC6209F282MR-G is a low-dropout linear regulator (LDO) developed by Xi\'an Xindu Circuit Co., Ltd. that offers adjustable current regulation with low supply current and fast transient response time. It is mainly used for power management applications in consumer electronics and portable devices. This article discusses the application field and working principle of this device.

Application Field

XC6209F282MR-G is an ideal linear regulator for various consumer electronic and portable device applications, such as MP3 players, digital cameras, PDA, PC peripherals and smart phones. It provides a variety of features including:

• Low quiescent current
• Circuit Short-Circuit Protection
• Line Transient Response Time
• Wide Adjustable Output Voltage Range
• Maximum Input Voltage of 5.5 V

These features make XC6209F282MR-G the ideal choice for these types of applications. It is also capable of providing a stable output voltage despite large input voltage fluctuations, making it ideal for battery-powered devices. The device is also AEC-Q100 qualified, offering an industrial temperature range from -40°C to +105°C.

Working Principle

XC6209F282MR-G is a low dropout (LDO) linear regulator. It works by using the PNP transistor\'s emitter-collector junction as a voltage reference, while the base terminal is used to control the collector current, thus controlling the output voltage. When the input voltage is greater than the reference voltage, current flows from the input to the output while being regulated. When the input voltage is too low, the voltage reference prevents the current from flowing, thus ensuring no output voltage.

The output current of XC6209F282MR-G can be adjusted over a wide range via an external resistor and the output voltage is set by an external voltage divider. The device also includes a built-in Short-Circuit Protection and Over-Temperature Shutdown functionality, which are both configurable with external resistors. Additionally, the device offers a fast transient response time, making it ideal for applications that require a quick response to changing input voltage.

XC6209F282MR-G is an ideal linear regulator for consumer electronics and portable device applications that require low power, high accuracy and fast transient response time. It offers a wide adjustable output voltage range and configurable protection features, making it the perfect solution for these types of applications.

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