FSQ211L

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The FSQ211L is a multi-purpose power supply chip designed to meet all switching power requirement in either offline or DC-to-DC applications. It integrates a wide range of features, including a protection system, wide input/output voltage ranges, high accuracy constant current/voltage regulation, and an adjustable soft start feature. The FSQ211L is suitable for use in a variety of power conversion applications, from ac-dc or dc-dc converters and offline switchers, to dc-dc or dc-ac converters.

The FSQ211L is a digital high-performance offline switcher with outstanding performance and flexibility. It includes a power stage synchronous rectifier, a low noise voltage-mode controller and high-frequency synchronous rectifier for low EMI and power losses. The device is designed with a low start-up current and a low output noise voltage over its wide operating frequency range. Its wide input range of 4V-18V, allows the FSQ211L to be used in DC-DC, Quick-Charge and Boost applications.

The FSQ211L provides high-efficiency operation over a wide range of input voltages and output currents. It features a wide range of protection functions that provide reliable and safe operation, such as input over-voltage protection, output short-circuit protection, and over-temperature protection. The FSQ211L also features an adjustable soft-start feature which can be adjusted for different applications. It allows the user to control the start-up characteristics and current surges of the power supply and helps to reduce the risk of inrush current.

In addition to its high performance characteristics, the FSQ211L also offers small size, ultra-low standby current and a wide temperature range, making it ideal for many applications including adapters and LED drivers. The device is also suitable for low-frequency switching applications such as DC/DC buck, boost, and coherent power converters.

The FSQ211L is designed to meet the current needs of the switching power converter market. It provides a wide range of features that simplify the design and development of low-cost, high-efficiency power converters. In addition, its small size and low standby current makes it suitable for use in a variety of applications. With the FSQ211L power supply, designers can quickly develop high-performance, cost-effective power conversion products that meet their specific requirements.

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