The ON Semiconductor NSI45090JDT4G is a high-quality constant current regulator (CCR) designed for LED driving applications that require a steady and reliable current source. This semiconductor device is an essential component in modern lighting systems, ensuring optimal performance and longevity of LED arrays.

Key Features

• Stable Current Regulation: Provides a constant 45mA ±10% at input voltages between 0.5V to 40V, making it versatile for various LED configurations.
• Robust Thermal Performance: The NSI45090JDT4G can withstand a wide operating temperature range from -55°C to +150°C, ensuring reliable operation under extreme conditions.
• High Power Dissipation: With a power rating of 1W, this CCR can handle significant power levels, making it suitable for higher power applications.
• Simple Design: Reduces circuit complexity as it does not require external components for setting the current, offering an easy-to-use solution for LED driving circuits.
• SC-74 Package: The small footprint of the SC-74 package allows for compact PCB designs and is ideal for space-constrained applications.
• Automotive Qualified: Meets the rigorous AEC-Q101 standards for automotive reliability, making it suitable for use in vehicle lighting systems.

Applications

The NSI45090JDT4G is well-suited for a variety of applications that require consistent LED illumination. These include:

• Automotive exterior and interior lighting
• General LED lighting
• Signage and traffic signals
• Industrial and commercial lighting systems

Product Advantages

ON Semiconductor's NSI45090JDT4G offers designers a reliable and efficient solution for controlling LED brightness and uniformity without the need for complex circuitry. Its steady current output improves the lifespan and color stability of LEDs, while its compliance with automotive standards ensures its suitability for high-reliability applications. The device's small package size and high power dissipation capability make it a practical choice for a wide range of LED lighting solutions.