Rochester Electronics

RN5RF18AA-TR-FE

RN5RF18AA-TR-FE Description

The RN5RF18AA-TR-FE is a high-performance linear voltage regulator designed by Rochester Electronics, LLC. This regulator is part of the RN5RF series and is specifically designed to provide a stable and reliable 1.8V output voltage with a maximum input voltage of 10V. It is ideal for applications requiring low power consumption and high efficiency. The regulator features a quiescent current of only 50 µA, making it suitable for battery-powered devices and other low-power applications.

RN5RF18AA-TR-FE Features

• Low Quiescent Current: The RN5RF18AA-TR-FE boasts a quiescent current of just 50 µA, significantly reducing power consumption in standby mode.
• High PSRR: With a power supply rejection ratio (PSRR) of 60dB at 1kHz, the regulator effectively filters out noise from the input supply, ensuring a clean output voltage.
• Fixed Output Voltage: The regulator provides a fixed output voltage of 1.8V, eliminating the need for external resistors to set the output voltage.
• High Output Current: Capable of delivering up to 1A of output current, the RN5RF18AA-TR-FE can support a wide range of applications with varying power requirements.
• Low Dropout Voltage: The maximum dropout voltage is only 0.2V at 100mA, allowing the regulator to maintain regulation even when the input voltage is close to the output voltage.
• Enable Control Feature: The regulator includes an enable pin, allowing for dynamic control of the output voltage, which can be useful for power-saving modes and system shutdown sequences.
• Over Current Protection: The RN5RF18AA-TR-FE features over current protection, safeguarding the regulator and connected components from damage due to excessive current.
• Surface Mount Packaging: The regulator is available in a surface mount package, making it suitable for automated assembly processes and compact PCB designs.

RN5RF18AA-TR-FE Applications

The RN5RF18AA-TR-FE is well-suited for a variety of applications where low power consumption, high efficiency, and reliable performance are critical. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics such as smartphones, tablets, and IoT devices where minimizing power consumption is essential.
• Industrial Systems: Suitable for industrial control systems and instrumentation where a stable and low-noise power supply is required.
• Consumer Electronics: Applicable in consumer electronics like digital cameras, smartwatches, and other wearable devices.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment where reliable power regulation is necessary.

Conclusion of RN5RF18AA-TR-FE

The RN5RF18AA-TR-FE is a versatile and efficient linear voltage regulator that offers a combination of low quiescent current, high PSRR, and low dropout voltage. Its fixed 1.8V output and ability to deliver up to 1A of current make it an excellent choice for a wide range of applications, particularly those requiring low power consumption and high reliability. The inclusion of enable control and over current protection further enhances its functionality and safety. With its surface mount package and active product status, the RN5RF18AA-TR-FE is a reliable and efficient solution for modern electronic designs.