ON Semiconductor NSI50350AST3G Adjustable Current Regulator

The NSI50350AST3G is a robust, highly efficient, adjustable constant current regulator (CCR) designed by ON Semiconductor for a versatile range of applications. This device is engineered to provide a simple and reliable solution for regulating current over a wide voltage range. The NSI50350AST3G is particularly suitable for driving LEDs, where consistent current is required for uniform brightness and optimal performance.

This adjustable CCR is capable of handling currents up to 350 mA, with an input voltage range from 0 to 50 V. This wide range allows for flexibility in design and application, ensuring that the NSI50350AST3G can be used in various configurations and with different types of LEDs or other devices requiring a constant current source.

The NSI50350AST3G comes in a compact SOD-123 package, making it ideal for space-constrained applications. Its small footprint is complemented by its low thermal resistance, which enables efficient heat dissipation and contributes to the longevity and reliability of the device. This feature is particularly important in applications where temperature stability is critical.

One of the key advantages of the NSI50350AST3G is its simplicity of integration into a circuit. It does not require any external components such as resistors or capacitors to set the current, which simplifies the design process and reduces the bill of materials. The current level is adjustable by connecting the device in series with a set resistor, allowing designers to tailor the current to their specific requirements.

ON Semiconductor's NSI50350AST3G is also equipped with a robust protection feature set, including thermal shutdown and overcurrent protection. These features ensure the device operates within safe parameters, providing a reliable and secure solution for constant current applications.

In summary, the NSI50350AST3G from ON Semiconductor is a versatile, easy-to-use, and reliable solution for applications requiring a constant current source. With its wide operating voltage range, thermal efficiency, and protection features, it is an excellent choice for LED driving solutions and other applications where current regulation is paramount.