ON Semiconductor NCP1117DT50RK Voltage Regulator

The NCP1117DT50RK from ON Semiconductor is a robust fixed output voltage regulator designed to provide a stable 5V output with a maximum output current of 1A. This linear voltage regulator is part of the NCP1117 series, known for its high accuracy and low dropout performance, making it an ideal choice for a wide range of applications where a stable voltage supply is crucial.

Key Features

• Output Voltage: 5V fixed output ensures compatibility with standard logic levels and provides a stable power supply for microcontrollers and other digital circuits.
• Output Current: Capable of delivering up to 1A of continuous output current, making it suitable for moderate to high power applications.
• Low Dropout Voltage: The low dropout voltage (typically 1.2V at 800mA) allows for efficient operation even when the input voltage is close to the output voltage, reducing power loss and heat dissipation.
• Thermal Protection: Integrated thermal shutdown feature protects the device and the system from damage due to overheating.
• Current Limiting: Built-in current limit functionality helps prevent damage to the regulator and the load in case of a short circuit or an overload condition.
• Package: Available in a robust TO-252 (DPAK) package, which is suitable for automated assembly processes and provides good thermal performance.

Applications

The NCP1117DT50RK is versatile and can be used in various electronic devices, including:

• Consumer Electronics: DVD players, TVs, and other AV equipment.
• Computing: Laptops, desktops, and servers as a part of the power supply unit.
• Telecommunications: Routers, switches, and base stations.
• Industrial: Control systems, sensors, and instrumentation requiring a stable 5V rail.

This voltage regulator from ON Semiconductor is an excellent choice for designers looking for a reliable, high-performance solution to manage power in their electronic circuits. With its fixed output, thermal protection, and current limiting features, the NCP1117DT50RK ensures safe and stable operation in a variety of applications.