Richtek Tariff Inquiry

RT9081A-10GQZA

RT9081A-10GQZA Description

The RT9081A-10GQZA is a high-performance linear regulator designed by Richtek USA Inc., offering a fixed output voltage of 1V with a maximum input voltage of 5.5V. This regulator is capable of delivering up to 500mA of output current, making it suitable for a wide range of power management applications. The device features a low dropout voltage of 0.25V at 500mA, ensuring efficient operation even under low input-to-output voltage differentials. With a quiescent current of just 110 µA, the RT9081A-10GQZA is optimized for low power consumption, which is essential for battery-operated devices.

RT9081A-10GQZA Features

• Output Type: Fixed
• Voltage - Input (Max): 5.5V
• Current - Output: 500mA
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage - Output (Min/Fixed): 1V
• Voltage Dropout (Max): 0.25V @ 500mA
• Current - Quiescent (Iq): 110 µA
• PSRR: 80dB (1kHz)
• Control Features: Enable
• Protection Features: Current Limit, Thermal Shutdown, UVLO
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The RT9081A-10GQZA stands out with its low dropout voltage, which minimizes power loss and enhances efficiency, especially in applications where the input voltage is close to the output voltage. The regulator's high PSRR (80dB at 1kHz) ensures excellent noise rejection, making it ideal for sensitive analog circuits. The enable control feature provides additional flexibility, allowing the regulator to be turned on and off as needed. Comprehensive protection features, including current limit, thermal shutdown, and UVLO, ensure reliable operation under various conditions.

RT9081A-10GQZA Applications

The RT9081A-10GQZA 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 critical.
• Industrial Equipment: Suitable for low-power industrial sensors and control systems that require stable and reliable power supply.
• Medical Devices: Applicable in medical equipment where high PSRR and low noise are essential for accurate measurements and performance.
• Automotive Electronics: Can be used in automotive applications where space constraints and high reliability are important considerations.

Conclusion of RT9081A-10GQZA

The RT9081A-10GQZA is a versatile and efficient linear regulator that offers a compelling combination of low dropout voltage, high PSRR, and comprehensive protection features. Its low quiescent current and fixed output voltage make it an excellent choice for applications requiring high efficiency and reliability. The surface-mount package and moisture sensitivity level of 3 ensure ease of integration and robustness in various environments. Overall, the RT9081A-10GQZA is a reliable and efficient solution for power management needs in a wide range of electronic devices.