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RT9073N-09GB

RT9073N-09GB Description

The RT9073N-09GB is a highly efficient linear regulator designed by Richtek USA Inc., a leading manufacturer in the field of power management integrated circuits (PMICs). This regulator is designed to provide a fixed output voltage of 0.9V with a maximum input voltage of 5.5V, making it suitable for a wide range of low-voltage applications. It can deliver a continuous output current of up to 250mA, ensuring stable power supply to various electronic devices. The regulator features a dropout voltage of only 1.45V at 250mA, which is significantly lower than many comparable devices, allowing it to maintain high efficiency even under varying load conditions.

RT9073N-09GB Features

• Output Type: Fixed output voltage of 0.9V, ensuring consistent power delivery.
• Input Voltage Range: Operates within a maximum input voltage of 5.5V, providing flexibility in power source selection.
• Output Current: Capable of delivering a continuous current of 250mA, suitable for powering various low-power devices.
• Low Dropout Voltage: With a maximum dropout voltage of 1.45V at 250mA, it maintains high efficiency even at low input voltages.
• Low Quiescent Current: Features a quiescent current of only 3 µA, minimizing power consumption during standby mode.
• High PSRR: Offers a power supply rejection ratio (PSRR) of 75dB at 1kHz, effectively filtering out noise from the input power supply.
• Control Features: Includes an enable function, allowing for precise control over the regulator's operation.
• Protection Features: Equipped with over-current and over-temperature protection, ensuring reliable operation and preventing damage under abnormal conditions.
• Compliance: RoHS3 compliant and REACH unaffected, ensuring environmental safety and regulatory compliance.
• Packaging: Available in a surface-mount SOT23-5 package, which is ideal for compact designs and high-density PCB layouts.

RT9073N-09GB Applications

The RT9073N-09GB is ideal for applications requiring a stable and efficient power supply with low noise and high reliability. Its low dropout voltage and high PSRR make it particularly suitable for battery-powered devices where input voltage can vary significantly. Some specific use cases include:

• Portable Devices: Ideal for powering low-voltage components in smartphones, tablets, and other portable electronics.
• Embedded Systems: Suitable for use in embedded systems where space is limited and high efficiency is required.
• IoT Devices: Provides a reliable power solution for Internet of Things (IoT) devices that operate on low power and require high efficiency.
• Wearable Technology: Perfect for wearable devices that need a stable power supply with minimal power consumption.

Conclusion of RT9073N-09GB

The RT9073N-09GB from Richtek USA Inc. is a versatile and efficient linear regulator that stands out in its category due to its low dropout voltage, high PSRR, and low quiescent current. Its compact SOT23-5 package and surface-mount design make it suitable for a wide range of applications, from portable devices to embedded systems. The inclusion of over-current and over-temperature protection ensures reliable operation, while its RoHS3 compliance and REACH unaffected status make it an environmentally friendly choice. For designers seeking a reliable, efficient, and compact power solution, the RT9073N-09GB is an excellent choice.