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RT9081A-12GQZA

RT9081A-12GQZA Description

The RT9081A-12GQZA is a highly efficient linear regulator designed by Richtek USA Inc., a leading manufacturer in the power management sector. This IC is part of the RT9081 series and offers a fixed output voltage of 1.2V with a maximum input voltage of 5.5V. It is capable of delivering a continuous output current of 500mA, making it suitable for a wide range of applications requiring stable power supply. The regulator features a low dropout voltage of 0.25V at 500mA, ensuring high efficiency even under low input-to-output voltage differentials. The device is housed in a compact 6-ZADFN package, ideal for space-constrained designs.

RT9081A-12GQZA Features

• Output Type: Fixed at 1.2V, ensuring a stable power supply for sensitive electronic components.
• Input Voltage Range: Supports a maximum input voltage of 5.5V, providing flexibility in power source selection.
• Output Current: Delivers a continuous 500mA, suitable for powering various low-power devices and microcontrollers.
• Low Dropout Voltage: With a maximum dropout voltage of 0.25V at 500mA, it maintains high efficiency even when the input voltage is close to the output voltage.
• Control Features: Includes an enable function, allowing for dynamic control of the regulator's operation.
• Protection Features: Equipped with current limit, thermal shutdown, and under-voltage lockout (UVLO) to protect against overcurrent, overheating, and low input voltage conditions.
• Performance: Achieves a high power supply rejection ratio (PSRR) of 80dB at 1kHz, minimizing the impact of input noise on the output voltage.
• Efficiency: Low quiescent current of 110 µA, contributing to overall system efficiency and reduced power consumption.
• Compliance: Meets REACH and RoHS3 standards, ensuring environmental compliance and suitability for global markets.
• Mounting Type: Surface mount, compatible with modern PCB assembly processes.

RT9081A-12GQZA Applications

The RT9081A-12GQZA is well-suited for a variety of applications where a reliable and efficient power supply is essential. Its low dropout voltage and high PSRR make it ideal for battery-powered devices, portable electronics, and embedded systems. The enable function allows for power-saving modes in applications such as IoT devices, wearables, and handheld gadgets. The compact package size and surface mount configuration ensure easy integration into space-limited designs, such as smartphones, tablets, and smartwatches. Additionally, its robust protection features make it suitable for automotive and industrial applications where reliability and durability are paramount.

Conclusion of RT9081A-12GQZA

The RT9081A-12GQZA stands out as a versatile and efficient linear regulator, offering a combination of high performance, compact size, and robust protection features. Its low dropout voltage and high PSRR ensure stable and noise-free power delivery, making it an excellent choice for a wide range of applications. The enable function and low quiescent current further enhance its suitability for power-sensitive designs. With its compliance to REACH and RoHS3 standards, the RT9081A-12GQZA is a reliable and environmentally friendly solution for modern electronic systems.