Richtek

RT9047GG5

RT9047GG5 Description

The RT9047GG5 is a high-performance linear regulator designed for a wide range of power management applications. Manufactured by Richtek USA Inc., this IC offers an adjustable output voltage range from 1.2V to 5.2V, making it highly versatile for various electronic systems. With a maximum input voltage of 5.5V and a current output capability of 1A, the RT9047GG5 is well-suited for applications requiring stable and efficient power delivery.

This regulator features a low dropout voltage of 0.2V at 1A, ensuring high efficiency even under heavy load conditions. The quiescent current of 600 µA and supply current of 800 µA further enhance its power efficiency. The RT9047GG5 also includes an enable control feature, allowing for dynamic power management and system optimization.

RT9047GG5 Features

• Adjustable Output Voltage: Provides flexibility with an output range from 1.2V to 5.2V.
• High Efficiency: Achieves high efficiency with a low dropout voltage of 0.2V at 1A.
• Power Management: Features an enable control for dynamic power management.
• Protection Mechanisms: Includes over-current and over-temperature protection to safeguard against system faults.
• Low Quiescent Current: Ensures minimal power consumption with a quiescent current of 600 µA.
• High PSRR: Offers a high power supply rejection ratio (PSRR) of 55dB to 35dB across a frequency range of 100Hz to 10kHz, ensuring stable output voltage.
• Surface Mount Packaging: Utilizes a surface mount package (SOT223) for ease of integration and compact design.
• Compliance and Reliability: Meets REACH and RoHS3 compliance standards ensuring, environmental and safety standards are upheld. The moisture sensitivity level (MSL) of 3 (168 hours) ensures reliability in various environmental conditions.

RT9047GG5 Applications

The RT9047GG5 is ideal for a variety of applications where stable and efficient power delivery is crucial. Its adjustable output voltage and low dropout characteristics make it suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable media players.
• Communication Systems: Providing stable power to routers, modems, and other networking equipment.
• Industrial Equipment: Ensuring reliable power supply for sensors, controllers, and other industrial devices.
• Automotive Electronics: Supporting power management in automotive infotainment systems and electronic control units.

Conclusion of RT9047GG5

The RT9047GG5 is a robust and versatile linear regulator that offers high efficiency and flexibility in power management. Its low dropout voltage, adjustable output range, and comprehensive protection features make it an ideal choice for a wide range of applications. Despite being marked as obsolete, the RT9047GG5 remains a reliable option for engineers and designers seeking a high-performance power management solution.