VLSL4224A

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The VLSL4224A series are highly integrated, highly reliable, and most efficient, compact power supplies optimized for high-power LED lighting applications such as in a COB, Engine, and Module form factors. The circuit topology of the VLSL4224A is based on a flyback converter with a high-power factor and an active valley/peak current balance circuit to minimize EMI compliance restrictions. The device is also capable of utilizing an external dimmer signal for smooth dimming operation.

The VLSL4224A is a high-efficiency, high reliability, high-power and compact power supply, optimized for driving high ambient light level applications such as COB, Engine, and Module form factors. The device includes a sophisticated MOSFET driver and controller, which allows for implementation of a wide range of features, including, but not limited to, dimming, over temperature, over current and open circuit protection, as well as a diagnostic signal to assist with fault detection/troubleshooting.

The VLSL4224A is designed to use a conventional flyback configuration, which provides high efficiency and power factor. The device is capable of providing a wide range of output power, with the maximum rated power being up to 30W. The controller has an integrated valley/peak current balance circuit, which minimizes switching losses and reduces EMI interference compared to other current balance techniques. Additionally, the circuit can be configured for use with an external dimmer for smooth dimming performance.

The VLSL4224A utilizes a robust and efficient MOSFET driver, which helps reduce component count, while providing a high degree of reliability and performance. The device also uses a very accurate and stable current sensing unit, which helps in providing a precision control of the output current and thus enhancing performance. The device also has a comprehensive set of protection features, which include over temperature protection, open and short circuit protection, as well as overload protection.

To summarize, the VLSL4224A is a highly integrated, high reliability and efficient, compact power supply especially optimized for high-power LED lighting applications such as COBs, Engines, and Modules. It utilizes the flyback configuration, which helps in providing high efficiency, power factor and EMI compliance, and also includes a valley/peak current balance circuit for improved power management. Furthermore, the device includes a sophisticated MOSFET driver and controller, as well as a precision current sensing unit and a variety of protection features for better reliability and safety. The device is also capable of utilizing an external dimmer signal for smooth dimming operation.

The specific data is subject to PDF, and the above content is for reference