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Onsemi NCP1117ST12T3G Environmental and export classification status description

The Onsemi NCP1117ST12T3G is a low-dropout (LDO) voltage regulator IC. It is designed to provide a stable output voltage, making it suitable for various electronic applications. The NCP1117 series is known for its ease of use and compatibility with a range of input voltages. Functions - Voltage Regulation: The NCP1117 regulates the output voltage to a fixed 1.2V, ensuring a steady power supply. - Low Dropout Voltage: It has a low dropout voltage, which is beneficial for battery-powered and low-voltage applications. - Current Capability: Capable of delivering up to 1A of output current. - Thermal Protection: Includes built-in thermal protection and current limiting features to prevent overheating and ensure safe operation. Applications - Microcontroller Power Supplies: Often used in powering microcontrollers and logic devices that require a lower and stable voltage supply. - System Power Management: Used in power management systems for multi-rail products. - Battery-Powered Devices: Perfect for applications requiring efficient voltage regulation from battery sources. - Consumer Electronics: Can be used in various consumer electronics like TVs, gaming consoles, and portable devices. Alternative Parts - LM1117: Another popular low-dropout regulator with similar specifications. - MIC5219: A micro-power LDO with a 1A output current, which operates quietly. - LP2985: A low-dropout regulator designed for low voltage applications, providing up to 150mA of output current. Embedded Modules - Development Boards: Many microcontroller development boards, such as Arduino, may feature onboard LDOs similar to NCP1117. - Power Management Modules: Modules designed to manage power for IoT devices often include LDOs to maintain specific voltage levels. Q&A Q1: What is the maximum output current capability of the NCP1117ST12T3G? A1: The NCP1117ST12T3G can deliver up to 1A of output current. Q2: What input voltage range is required for the NCP1117 to function properly? A2: The NCP1117 can accept input voltages ranging from 1.25V to 15V. Q3: Why would I choose an LDO like the NCP1117 for my project instead of a switching regulator? A3: LDOs like the NCP1117 are generally simpler to implement, have fewer components, produce less noise, and may be more cost-effective for applications where the input-output differential voltage is small and efficiency is not a critical factor. Q4: What is the significance of the low dropout voltage in the NCP1117? A4: The low dropout voltage allows the regulator to maintain output voltage near input voltage, making it suitable for applications with power sources that operate close to the required output voltage, such as in battery-powered devices. Q5: What protective features does the NCP1117 provide? A5: The NCP1117 includes thermal shutdown and current limiting features to prevent damage to the device during excessive load conditions.