Richtek

RT9167A-28GB

RT9167A-28GB Description

The RT9167A-28GB is a high-performance linear voltage regulator designed by Richtek USA Inc., a leading manufacturer of advanced power management solutions. This regulator is specifically engineered to provide a fixed output voltage of 2.8V with a maximum output current of 500mA. It is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. The regulator operates efficiently with a maximum input voltage of 7V and features a low dropout voltage of 0.75V at full load, ensuring optimal performance even under varying input conditions.

RT9167A-28GB Features

• Fixed Output Voltage: The RT9167A-28GB delivers a stable 2.8V output voltage, making it suitable for applications requiring precise voltage regulation.
• Low Dropout Voltage: With a maximum dropout voltage of 0.75V at 500mA, this regulator ensures high efficiency and minimal power loss, even at low input-to-output voltage differentials.
• Low Quiescent Current: The regulator consumes only 150 µA of quiescent current, which is crucial for battery-powered devices and applications where power consumption must be minimized.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator's operation, providing flexibility in power management and system design.
• Protection Features: Over-current and over-temperature protection mechanisms ensure the regulator's reliability and longevity, safeguarding against potential faults and thermal runaway.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 58dB at 100Hz, effectively filtering out noise and ripple from the input supply, resulting in a cleaner output voltage.
• Compliance and Packaging: The RT9167A-28GB is ROHS3 compliant and REACH unaffected, ensuring it meets stringent environmental regulations. It is available in a surface-mount package (Tape & Reel), facilitating easy integration into modern PCB designs.

RT9167A-28GB Applications

The RT9167A-28GB is well-suited for a variety of applications where stable voltage regulation, low power consumption, and compact size are critical. Some specific use cases include:

• Portable Electronics: Ideal for battery-operated devices such as smartphones, tablets, and wearable technology, where efficient power management and minimal footprint are essential.
• Industrial Equipment: Suitable for industrial control systems, sensors, and IoT devices that require reliable power regulation in harsh environments.
• Consumer Electronics: Applicable in consumer devices like digital cameras, media players, and smart home appliances, ensuring stable power supply and extended battery life.
• Medical Devices: Can be used in medical equipment such as portable monitors and diagnostic tools, where precise voltage regulation and low power consumption are paramount.

Conclusion of RT9167A-28GB

The RT9167A-28GB stands out as a robust and efficient linear voltage regulator, offering a combination of high performance, low power consumption, and advanced protection features. Its compact SOT23-5 package and low dropout voltage make it an excellent choice for a wide range of applications, from portable electronics to industrial and medical devices. With its enable control feature and high PSRR, the RT9167A-28GB provides designers with the flexibility and reliability needed to meet the demands of modern power management solutions.