onsemi

NCP1117DT50RK

NCP1117DT50RK Description

The NCP1117DT50RK is a linear voltage regulator designed by onsemi, a leading manufacturer in the power management integrated circuits (PMIC) category. This IC offers a fixed output voltage of 5V and is capable of delivering a maximum output current of 1A. It is housed in a DPAK package, which is suitable for surface-mount applications, making it ideal for compact and high-density designs. The regulator is designed to operate within an input voltage range up to 20V and features a maximum dropout voltage of 1.2V at 800mA, ensuring efficient operation even at higher load currents.

NCP1117DT50RK Features

• Output Type: Fixed 5V output voltage, providing a stable power supply for various electronic components.
• Input Voltage Range: Supports a maximum input voltage of 20V, offering flexibility in power source selection.
• Output Current: Capable of delivering up to 1A of output current, suitable for a wide range of applications requiring moderate power.
• Efficiency: With a maximum dropout voltage of 1.2V at 800mA, the NCP1117DT50RK ensures high efficiency and minimal power loss.
• Protection Features: Integrated over-current and over-temperature protection mechanisms safeguard the regulator and connected circuits from damage.
• Operating Temperature: Designed to operate reliably within a temperature range of 0°C to 125°C, making it suitable for industrial and automotive applications.
• Low Quiescent Current: Features a quiescent current (Iq) of 10mA, minimizing power consumption during standby conditions.
• High Power Supply Rejection Ratio (PSRR): Offers a PSRR of 61dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Packaging: Supplied in a DPAK package, which is ideal for surface-mount technology (SMT) and supports automated assembly processes.
• Compliance: REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

NCP1117DT50RK Applications

The NCP1117DT50RK is well-suited 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 that require a reliable 5V supply.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that operate within a wide temperature range.
• Automotive Applications: Can be used in automotive electronic systems, such as infotainment systems, where a stable power supply is crucial.
• Communication Devices: Provides a stable power source for routers, modems, and other communication equipment.
• Medical Devices: Ensures reliable power for medical monitoring devices and diagnostic equipment that require precise voltage regulation.

Conclusion of NCP1117DT50RK

The NCP1117DT50RK is a robust and efficient linear voltage regulator that offers a fixed 5V output with a maximum current capability of 1A. Its low dropout voltage, high PSRR, and integrated protection features make it a reliable choice for a wide range of applications. The DPAK package and surface-mount design further enhance its suitability for modern, compact electronic designs. Despite being marked as obsolete, the NCP1117DT50RK remains a valuable component for engineers and designers seeking a dependable power management solution.