The RT9161-28GV is a low dropout (LDO) regulator from Richtek USA Inc. It is designed to provide a stable and regulated output voltage from a higher input voltage, with minimal voltage drop. LDO regulators are commonly used in portable devices, microcontrollers, and other applications where stable power is essential.

Applications

• Portable devices: Powering microcontrollers and other components in mobile devices.
• Microcontroller power: Providing a stable voltage supply for microcontrollers.
• Battery-powered devices: Regulating voltage from batteries.
• Post regulation: Cleaning up noisy power supplies.
• Low-noise applications: Providing a clean and stable power source.

Features

• Low dropout voltage: Operates with a small difference between input and output voltage.
• High output accuracy: Provides a stable and accurate output voltage.
• Low quiescent current: Minimizes power consumption.
• Overcurrent protection: Protects the regulator from overload.
• Thermal shutdown: Protects the regulator from overheating.

Benefits

• Efficient power conversion: Minimizes power loss and maximizes battery life.
• Stable voltage supply: Ensures reliable operation of electronic circuits.
• Energy efficiency: Low quiescent current extends battery life.
• Protection against damage: Overcurrent and thermal shutdown prevent damage.
• Compact design: Small package for space-constrained applications.

Additional Details

The RT9161-28GV is a 2.8V fixed-output LDO regulator. It features a low dropout voltage, typically around 150mV at 300mA. It has a low quiescent current, typically around 80μA. The regulator integrates overcurrent protection and thermal shutdown features to protect against damage. The RT9161-28GV is available in a SOT-23-5 package. The input voltage range is from 2.5V to 5.5V. The device is ideal for use in battery powered systems that require high efficiency and a stable output voltage.

Its low dropout voltage allows it to operate efficiently even when the input voltage is close to the output voltage. The RT9161-28GV is a reliable and efficient LDO regulator that is well-suited for a wide range of portable and battery-powered applications.