The RT9166A-13GG is a low-dropout (LDO) linear regulator manufactured by Richtek USA Inc. It is designed to provide a stable and accurate voltage supply for various electronic devices. This regulator features a low dropout voltage, high accuracy, and low quiescent current, making it suitable for battery-powered and portable applications.

Applications

• Portable devices (smartphones, tablets)
• Battery-powered equipment
• Wireless communication devices
• Microcontroller power supplies
• Post-regulation for switching converters

Features

• Low dropout voltage
• High output accuracy
• Low quiescent current
• Over-current protection
• Over-temperature protection
• Short-circuit protection
• Stable with ceramic capacitors

Benefits

• Extended battery life due to low quiescent current
• Stable and accurate voltage supply for sensitive electronic components
• Protection against over-current, over-temperature, and short-circuit conditions
• Simplified design with stable ceramic capacitor operation
• Improved system reliability due to built-in protection features

Detailed Specifications

The RT9166A-13GG features a fixed output voltage of 1.3V. The input voltage range typically spans from 1.6V to 5.5V. The dropout voltage is typically around 120mV at a load current of 300mA. The quiescent current is typically 35μA. It is available in a small package, such as a SOT-23-5 or similar, suitable for compact designs.

The low dropout voltage allows the regulator to operate efficiently even when the input voltage is close to the output voltage, maximizing battery life. The high output accuracy ensures that the voltage supplied to the load remains within the specified tolerance, preventing malfunctions in sensitive electronic components. The over-current, over-temperature, and short-circuit protection features protect the regulator and the connected load from damage in fault conditions.

Overall, the RT9166A-13GG is a versatile and reliable LDO regulator suitable for a wide range of portable and battery-powered applications. Its low dropout voltage, high accuracy, and integrated protection features make it an excellent choice for powering sensitive electronic components in demanding environments.