onsemi Current Regulation/Management NSI45025AT1G

The NSI45025AT1G is a linear constant current regulator designed for LED applications, providing a steady output current of 25 mA with a maximum anode-cathode voltage of 45 V. It utilizes Self-Biased Transistor (SBT) technology, ensuring immediate turn-on with only 0.5 V applied. The device features a negative temperature coefficient to prevent thermal runaway, making it suitable for high-voltage and high-current scenarios. This regulator is packaged in a thermally robust SOD-123 package and is UL94-V0 certified, indicating its compliance with safety standards. It is also AEC-Q101 qualified, making it appropriate for automotive applications. The device is Pb-free, halogen-free, and RoHS compliant, aligning with modern environmental standards. The NSI45025AT1G is ideal for various applications, including automotive lighting, display signage, and decorative lighting. Its ability to operate without external components simplifies design integration, while its high voltage rating provides resilience against voltage surges commonly encountered in automotive and industrial environments.