onsemi

NCP1117DT18

NCP1117DT18 Description

The NCP1117DT18 is a fixed-output linear voltage regulator designed by onsemi, featuring a stable 1.8V output voltage and a maximum output current of 1A. This regulator is housed in a DPAK package, which is suitable for surface-mount applications. Despite its status as an obsolete product, the NCP1117DT18 remains a reliable choice for various electronic applications due to its robust design and performance characteristics.

NCP1117DT18 Features

• Output Type: Fixed at 1.8V, ensuring consistent voltage supply.
• Input Voltage Range: Capable of handling up to 20V, providing flexibility in input power sources.
• Output Current: Delivers a maximum of 1A, suitable for powering a wide range of electronic devices.
• Dropout Voltage: A maximum dropout voltage of 1.2V at 800mA, ensuring efficient operation even at lower input voltages.
• Protection Features: Equipped with over-current and over-temperature protection, safeguarding the device and connected circuits from damage.
• Operating Temperature: Functions reliably within a range of 0°C to 125°C, making it suitable for use in various environmental conditions.
• Quiescent Current: Low quiescent current of 10mA, minimizing power consumption in standby mode.
• Power Supply Rejection Ratio (PSRR): Achieves a PSRR of 70dB at 120Hz, effectively filtering out noise from the power supply.
• Package: DPAK package, ideal for surface-mount technology (SMT) applications.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), indicating high resistance to moisture, which is beneficial for long-term reliability.
• Compliance: REACH unaffected, ensuring compliance with environmental regulations.

NCP1117DT18 Applications

The NCP1117DT18 is well-suited for a variety of applications where a stable and reliable power supply is essential. Some specific use cases include:

• Embedded Systems: Provides a stable power source for microcontrollers, sensors, and other low-power devices.
• Consumer Electronics: Ideal for powering small appliances and devices that require a fixed voltage supply.
• Industrial Equipment: Suitable for applications that demand high reliability and operate within a wide temperature range.
• Automotive Electronics: Can be used in automotive systems where a stable voltage supply is crucial for the proper functioning of electronic components.

Conclusion of NCP1117DT18

The NCP1117DT18 is a versatile and reliable linear voltage regulator that offers a fixed 1.8V output with a maximum current of 1A. Its low dropout voltage, robust protection features, and wide operating temperature range make it an excellent choice for a variety of applications. Despite being marked as obsolete, the NCP1117DT18 remains a valuable component for designers and engineers looking for a dependable power solution. Its compatibility with surface-mount technology and compliance with environmental regulations further enhance its appeal.