onsemi

NCP1117DT33RK

NCP1117DT33RK Description

The NCP1117DT33RK is a fixed-output linear voltage regulator designed for a wide range of applications requiring a stable 3.3V output voltage. Manufactured by onsemi, this regulator is part of the Power Management Integrated Circuits (PMIC) category. It features a maximum input voltage of 20V and is capable of delivering a continuous output current of 1A. The regulator is housed in a DPAK package, which is suitable for surface-mount applications. Despite its obsolete status, the NCP1117DT33RK remains a reliable choice for many power management needs.

NCP1117DT33RK Features

• Output Type: Fixed at 3.3V, ensuring a stable power supply for sensitive electronics.
• Input Voltage Range: Up to 20V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 1A, making it suitable for a variety of low to medium power applications.
• Dropout Voltage: A maximum dropout voltage of 1.2V at 800mA ensures efficient operation even at low input-to-output voltage differences.
• Protection Features: Over-current and over-temperature protection safeguard the regulator and connected devices from damage.
• Operating Temperature: A wide range of 0°C to 125°C allows for use in various environmental conditions.
• Quiescent Current: Low quiescent current of 10 mA minimizes power consumption in standby mode.
• Power Supply Rejection Ratio (PSRR): 64dB at 120Hz ensures minimal noise and ripple in the output voltage.
• Moisture Sensitivity Level (MSL): Level 1 (unlimited), making it suitable for a wide range of manufacturing processes.
• Compliance: REACH unaffected, ensuring compliance with environmental regulations.

NCP1117DT33RK Applications

The NCP1117DT33RK is ideal for a variety of applications where a stable 3.3V power supply is required. Some specific use cases include:

• Consumer Electronics: Powering microcontrollers, sensors, and other low-voltage components in devices such as smartphones, tablets, and IoT devices.
• Industrial Equipment: Providing stable power to control systems, PLCs, and other industrial electronics.
• Automotive: Suitable for automotive electronics where a reliable power supply is crucial for safety and performance.
• Telecommunications: Powering communication modules and other components in base stations and networking equipment.
• Medical Devices: Ensuring stable power supply for medical monitoring devices and diagnostic equipment.

Conclusion of NCP1117DT33RK

The NCP1117DT33RK is a robust and reliable linear voltage regulator that offers a stable 3.3V output with a maximum input voltage of 20V and a continuous output current of 1A. Its low dropout voltage, over-current and over-temperature protection, and wide operating temperature range make it suitable for a variety of applications. Despite being marked as obsolete, the NCP1117DT33RK remains a viable option for designers looking for a dependable power management solution. Its DPAK package and surface-mount compatibility ensure ease of integration into modern electronic designs.