FAN53555UC09X

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The DC-DC switching regulator is a popular choice when power efficiency and complete control of the output voltage and current are desired. The FAN53555UC09X is a highly efficient, low-ripple, low-noise, high-performance buck regulator that works with a wide input voltage range. It is well suited for applications such as laptops, netbooks, PDAs and other portable media players. It is specifically designed with integrated long creepage and clearance protection and excellent EMI protection, making it ideal for use in high-reliability industries such as automotive and industrial.

The FAN53555UC09X’s input supply range is from 8V to 24V, enabling a wide range of applications. Besides, the device has excellent thermal performance with a small SOT-23 package and requires no external components. It also has internal self-protection features for short-circuit, over-temperature, and over-current. In addition, it has an adjustable output current limit that allows the user to quickly configure the device for different applications.

The FAN53555UC09X is a synchronous buck regulator which works by taking advantage of the inductor that is oscillating between the input and output voltages in order to drive current. An external clock signal is provided to the device to provide timing information and control the oscillator frequency. The device is designed to monitor the output voltage and adjust the duty cycle of the switching element accordingly. The device also provides a means of regulating the output current. When the output current exceeds the current limit threshold, the device automatically reduces the output current by reducing the duty cycle.

The FAN53555UC09X also provides excellent EMI protection and is designed to minimize electromagnetic interference in the switch mode operation. The device utilizes a spread spectrum frequency modulation technique to reduce the EMI emissions of the converter by spreading the operating frequency over a wide range. This helps reduce the peak emissions in sensitive frequency bands, allowing the device to meet the latest stringent EMI standards.

The FAN53555UC09X is a highly integrated, cost-effective and low-profile buck regulator ideal for portable media applications. Its high efficiency, extensive protection features and flexibility make it an ideal choice for a wide range of applications. Its wide input voltage range, internal self-protection features, and adjustable current limit ensure superior reliability and performance in industrial and automotive applications.

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