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NCP1117DT50

NCP1117DT50 Description

The NCP1117DT50 is a fixed output linear voltage regulator designed for applications requiring a stable 5V supply with a maximum output current of 1A. Manufactured by onsemi, this regulator is housed in a DPAK package, making it suitable for surface-mount applications. Despite being marked as obsolete, the NCP1117DT50 remains a reliable choice for various electronic systems due to its robust performance and comprehensive feature set.

NCP1117DT50 Features

• Output Type: Fixed, providing a stable 5V output voltage.
• Input Voltage Range: Capable of handling input voltages up to 20V, ensuring compatibility with a wide range of power sources.
• Output Current: Delivers a consistent 1A of output current, making it suitable for applications requiring moderate power levels.
• Low Dropout Voltage: With a maximum dropout voltage of 1.2V at 800mA, the NCP1117DT50 efficiently operates even when the input voltage is close to the output voltage.
• Protection Features: Equipped with over-current and over-temperature protection, ensuring reliable operation and safeguarding against potential faults.
• Operating Temperature: Functions reliably within a temperature range of 0°C to 125°C, making it suitable for both commercial and industrial environments.
• Low Quiescent Current: Consumes only 10mA in quiescent mode, minimizing power loss and enhancing overall efficiency.
• High Power Supply Rejection Ratio (PSRR): Achieves a PSRR of 61dB at 120Hz, effectively filtering out noise and ripple from the input power supply.
• Moisture Sensitivity Level (MSL): Classified as MSL 1 (Unlimited), indicating it is not sensitive to moisture, which is beneficial for manufacturing processes.
• Package Type: The DPAK package offers a compact and thermally efficient solution, ideal for surface-mount applications.
• Compliance: REACH Unaffected, ensuring compliance with environmental and safety regulations.

NCP1117DT50 Applications

The NCP1117DT50 is well-suited for a variety of applications where a stable and reliable 5V supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in consumer electronics.
• Industrial Equipment: Provides a stable power supply for industrial control systems, instrumentation, and automation equipment.
• Telecommunications: Suitable for powering various components in telecommunication infrastructure, such as base stations and network equipment.
• Automotive Electronics: Can be used in automotive applications where a reliable 5V supply is needed for electronic control units (ECUs) and other automotive electronics.
• Medical Devices: Ensures stable power for medical equipment and devices that require precise voltage regulation.

Conclusion of NCP1117DT50

The NCP1117DT50 is a robust and reliable linear voltage regulator that offers a stable 5V output with a maximum current of 1A. Its low dropout voltage, comprehensive protection features, and high PSRR make it a superior choice compared to similar models. Despite being marked as obsolete, its performance and feature set continue to make it a valuable component for various applications in the electronics industry. The DPAK package and surface-mount compatibility further enhance its versatility, making it suitable for a wide range of electronic systems.