XCL206B123-EVB

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XCL206B123-EVB is an evaluation board based on XCL206B123 regulator device, which helps customers to develop the related switching power supply applications. It belongs to the evaluation boards for DC/DC & AC/DC (off-line) SMPS applications.

The XCL206B123 is a current-mode quasi PWM switching regulators, which integrated a 700V high voltage MOSFET, an EMI filter, and a shutdown control circuitry in a single package. With an input voltage between 11V to 50V(typical value), it can be used for a wide range of applications, such as LED lighting, telecommunication system, servers, PC, home appliance, etc. It is designed for a current mode control with a fast line response and high accuracy. The excellent performance of the product brings a practical and reliable solution to power electronic systems.

The main features of XCL206B123-EVB include:

• Integrated 700V high voltage MOSFET
• Efficiency up to 96%
• High system reliability
• Current mode control with fast line response
• High accuracy
• Low EMI solution

XCL206B123-EVB provides the users a complete platform that helps them evaluate the device performance and accelerates their time to market. It features a wide range of adjustable options, functions, and other applications to meet the customer\'s requirements. The device package is small and compact, making it ideal for a wide range of applications.

The working principle of XCL206B123-EVB is based on the current mode control with fast line response and high accuracy. It is equipped with a high-side MOSFET and a low-side rectifier in its design. The main function of this system is to control the voltage output in order to maintain the constant uniform output voltage. In this way, the power delivered to the load is regulated and the system is able to remain within a specified voltage range, enabling a stable output with no spikes or noise.

The working principle involves a voltage feedback circuit which controls the voltage output. When the output voltage rises above the set voltage, the feedback circuit triggers an increase in the current. This in turn causes the MOSFET to turn off thus reducing the conduction time. Similarly, when the output voltage drops below the set voltage, the feedback circuit triggers a decrease in the current, resulting in a decrease in the conduction time of the MOSFET. By controlling the conduction time, the output voltage is maintained at a constant level.

The XCL206B123-EVB also enables the user to set the precise and exact current limit. This is done by controlling the current limit sense voltage. A high current limit sense voltage will result in a higher current limit, while a low current limit sense voltage will result in a lower current limit.

The XCL206B123-EVB is a useful tool for understanding how current mode control works in off-line SMPS applications. It is a significant tool that helps the users to quickly and easily develop the applications for DC/DC & AC/DC (Off-Line) SMPS, and enables them to deliver effective and reliable power solutions.

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