Richtek

RT9167A-18GB

RT9167A-18GB Description

The RT9167A-18GB is a high-performance linear regulator designed by Richtek USA Inc., offering a fixed output voltage of 1.8V and a maximum output current of 500mA. This device is ideal for applications requiring a stable and efficient power supply. The regulator is designed to operate with a maximum input voltage of 7V, ensuring compatibility with a wide range of input sources. The RT9167A-18GB features a low dropout voltage of 0.75V at 500mA, which enhances its efficiency and performance in low-voltage applications. The regulator also boasts a low quiescent current of 150 µA, making it suitable for battery-powered devices where power consumption is a critical factor.

RT9167A-18GB Features

• Fixed Output Voltage: The RT9167A-18GB provides a stable 1.8V output, ensuring consistent power delivery to sensitive electronic components.
• High Efficiency: With a low dropout voltage of 0.75V at 500mA, the regulator maintains high efficiency even under low input voltage conditions.
• Low Quiescent Current: The 150 µA quiescent current ensures minimal power loss, making it ideal for applications where power conservation is essential.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator, enabling power-saving modes and efficient power management.
• Protection Features: Over-current and over-temperature protection ensure the longevity and reliability of the device, safeguarding it against potential damage.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 58dB at 100Hz, which helps in filtering out noise from the input power supply.
• Surface Mount Packaging: The SOT23-5 package is compact and suitable for surface mount applications, making it ideal for space-constrained designs.
• Compliance and Status: The RT9167A-18GB is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. The device is also categorized under ECCN EAR99 and HTSUS 8542.39.0001.

RT9167A-18GB Applications

The RT9167A-18GB is well-suited for a variety of applications, including:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables where low power consumption and high efficiency are crucial.
• Industrial Equipment: Suitable for industrial applications requiring stable power supply and low dropout voltage.
• Medical Devices: The low quiescent current and high PSRR make it suitable for medical devices that require reliable and noise-free power supply.
• Automotive Electronics: The robust protection features and compact size make it a good fit for automotive applications where space and reliability are important.

Conclusion of RT9167A-18GB

The RT9167A-18GB is a versatile and efficient linear regulator that stands out in the market due to its low dropout voltage, low quiescent current, and high PSRR. Its compact SOT23-5 package and surface mount design make it suitable for a wide range of applications, from consumer electronics to industrial and medical devices. The enable control feature and robust protection mechanisms further enhance its performance and reliability. The RT9167A-18GB is an excellent choice for designers looking for a high-performance, low-power linear regulator that meets stringent environmental and regulatory standards.