onsemi

NCP5661MN18T2G

NCP5661MN18T2G Description

The NCP5661MN18T2G is a linear voltage regulator IC from onsemi, designed to provide a fixed 1.8V output voltage with a maximum current of 1A. This 6DFN-packaged device features a positive output configuration and is equipped with a single regulator. Despite being classified as obsolete, it remains a REACH unaffected and RoHS3 compliant solution for various applications.

NCP5661MN18T2G Features

• Fixed Output Voltage: Delivers a stable 1.8V output, ideal for applications requiring precise voltage regulation.
• 1A Output Current: Capable of supplying up to 1A, making it suitable for power-hungry devices.
• 1.3V Dropout at 1A: Offers low dropout voltage, ensuring efficient operation even under heavy load conditions.
• 70dB to 65dB PSRR: Provides excellent power supply rejection ratio, minimizing noise and interference.
• Over Current and Over Temperature Protection: Enhances reliability and safety by preventing damage due to excessive current or temperature.
• 3 mA Quiescent Current: Minimizes power consumption in standby mode, extending the battery life of portable devices.
• Surface Mount Technology: Facilitates integration into compact and space-constrained designs.

NCP5661MN18T2G Applications

The NCP5661MN18T2G is well-suited for a variety of applications where a stable and efficient power supply is critical:

• Portable Electronics: Provides stable power for mobile devices, wearables, and other battery-powered gadgets.
• Industrial Equipment: Ensures reliable operation in industrial settings with fluctuating power conditions.
• Telecommunications: Supports stable power delivery for communication devices, such as routers and modems.
• Automotive Electronics: Offers reliable voltage regulation for in-vehicle electronics and infotainment systems.

Conclusion of NCP5661MN18T2G

While the NCP5661MN18T2G is an obsolete product, it still offers a reliable and efficient solution for applications requiring a fixed 1.8V output with up to 1A current. Its low dropout voltage, excellent PSRR, and built-in protection features make it an attractive option for designers looking to maintain performance and safety in their power supply designs. Although it may not have the latest advancements, its proven performance and compatibility with existing systems make it a viable choice for certain applications.