Richtek Tariff Inquiry

RT9740AGQW

The Richtek RT9740AGQW is a highly integrated, high-efficiency, synchronous, step-down (buck) regulator designed for a wide range of power applications. It offers a compact solution with high efficiency and low quiescent current, making it ideal for use in battery-powered devices and systems.

Description:

The RT9740AGQW is a synchronous buck regulator that provides an output voltage as low as 0.9V from a wide input voltage range of 4V to 22V. It features a high efficiency of up to 95% and a low quiescent current of 3.5uA, which helps to extend the battery life of portable devices.

Features:

1. Wide input voltage range: 4V to 22V
2. Output voltage as low as 0.9V
3. High efficiency of up to 95%
4. Low quiescent current of 3.5uA
5. Synchronous rectification for improved efficiency
6. Integrated power MOSFETs for reduced external component count
7. Programmable soft-start to minimize inrush current
8. Over-current protection, over-voltage protection, and thermal shutdown for enhanced reliability
9. Small package size of 3.5mm x 4.2mm

Applications:

The RT9740AGQW is suitable for a wide range of power applications, including:

1. Portable devices such as smartphones, tablets, and wearables
2. IoT devices and smart home applications
3. Bluetooth speakers and headphones
4. Wireless routers and networking equipment
5. Power banks and battery chargers
6. LED lighting systems
7. Medical devices and equipment

In summary, the Richtek RT9740AGQW is a highly efficient and compact synchronous buck regulator that offers a wide input voltage range and low quiescent current. Its features make it suitable for a variety of power applications, particularly in battery-powered devices and systems.