XCL221B101ER-G Power Supplies - Board Mount

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The XCL221B101ER-G is a type of DC DC converter, which belongs to a general family called Switching DC/DC Power Converters. This family of converters generally has the advantage of being compact, reliable, and having a wide input voltage range due to their low power loss. The device is integrally built for fast and accurate response, with its components packaged inside a single chamber for convenient installation. Since there is no need for external components while using the device, it is cost-effective and easy to use, with a wide range of applications.

The XCL221B101ER-G is designed to convert an input voltage of 5V~38V into a 3.3V output, making it ideal for numerous professional microcontroller-based industrial and consumer applications. Moreover, it has excellent EMI performance features, designed for electromagnetic compatibility. It also utilizes advanced primary side regulation (PSR) to avoid the need for any optocoupler, thus ensuring high efficiency and eliminating any additional component costs.

The working principle of the XCL221B101ER-G lies in its switching operation. The device utilizes a high side switch connected to the source, which is switched on and off in order to transfer energy into the load. A low-side switch connected to the load is also turned on and off to control the amount of energy being transferred. The process is referred to as Pulse Width Modulation (PWM). The device also features a current-mode PWM control circuit to ensure accurate input and output voltage regulation.

In terms of applications, the XCL221B101ER-G is mainly used in industrial automation and instrumentation systems, power supply systems, and telecommunications systems, where accuracy and reliability are critical. It can also be used in many consumer applications such as laptop computers, computer power supplies, digital photo frames, and portable electronic devices such as mobile phones and tablets.

Overall, the XCL221B101ER-G is an efficient and reliable DC DC converter that provides straight-forward, cost-effective solutions for many industrial and consumer applications. It is designed to meet the highly demanding requirements of a wide range of environments, and incorporates advanced features such as PWM control and primary side regulation to customize any design to meet exact user requirements.

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