onsemi

NCP1117DT25RK

NCP1117DT25RK Description

The NCP1117DT25RK is a fixed output linear voltage regulator designed by onsemi, a leading manufacturer in the power management (PMIC) category. This regulator is engineered to provide a stable 2.5V output voltage with a maximum output current of 1A. It is housed in a DPAK package, which is suitable for surface mount applications. Despite being marked as obsolete, the NCP1117DT25RK remains a reliable choice for various electronic designs due to its robust performance and comprehensive protection features.

NCP1117DT25RK Features

The NCP1117DT25RK offers several key features that make it a standout component in its category:

• Output Type: Fixed at 2.5V, ensuring a stable power supply for sensitive electronic circuits.
• Input Voltage Range: Capable of handling up to 20V, providing flexibility in input power sources.
• Output Current: Delivers a consistent 1A, sufficient for a wide range of applications requiring moderate power.
• Low Dropout Voltage: With a maximum dropout voltage of 1.2V at 800mA, it maintains efficiency even under varying load conditions.
• Protection Features: Includes over-current and over-temperature protection, safeguarding the regulator and connected components from damage.
• Operating Temperature: Wide operating temperature range from 0°C to 125°C, making it suitable for both commercial and industrial environments.
• Low Quiescent Current: Only 10 mA, minimizing power consumption during standby or low-load conditions.
• High PSRR: 68dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture, which is crucial for reliability in humid environments.
• Compliance: REACH unaffected, ensuring compliance with environmental regulations.

NCP1117DT25RK Applications

The NCP1117DT25RK is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators requiring a reliable power source.
• Automotive Systems: Can be used in automotive electronics for applications like infotainment systems and electronic control units.
• Telecommunications: Provides stable power for routers, modems, and other networking equipment.
• Medical Devices: Ensures reliable power supply for medical monitoring devices and diagnostic equipment.

Conclusion of NCP1117DT25RK

Despite its obsolete status, the NCP1117DT25RK remains a valuable component in the power management space. Its combination of a fixed 2.5V output, robust protection features, and wide operating temperature range make it a reliable choice for various applications. The low dropout voltage and high PSRR further enhance its performance, ensuring minimal power loss and noise. While newer alternatives may exist, the NCP1117DT25RK continues to offer a proven solution for designers seeking a stable and efficient linear regulator.