Richtek

RT9801BGE

The Richtek RT9801BGE is a high-efficiency synchronous buck-boost converter that offers a wide input voltage range and a high step-up and step-down voltage conversion ratio. It is designed for use in a variety of applications, including battery-powered devices, portable electronics, and power supply systems.

Description:

The RT9801BGE is a high-efficiency synchronous buck-boost converter that provides a wide input voltage range of 2.5V to 5.5V and can deliver an output voltage of up to 28V. The device features a high step-up and step-down voltage conversion ratio, making it suitable for a wide range of applications.

Features:

1. Wide input voltage range: 2.5V to 5.5V
2. High step-up and step-down voltage conversion ratio
3. Synchronous buck-boost converter topology
4. High efficiency: up to 93% efficiency
5. Low quiescent current: 2.8µA in sleep mode
6. Programmable soft-start
7. Over-current protection
8. Over-voltage protection
9. Under-voltage lockout
10. Thermal shutdown protection

Applications:

1. Battery-powered devices
2. Portable electronics
3. Power supply systems
4. Medical devices
5. IoT devices
6. Wearable devices
7. LED lighting systems
8. Industrial control systems
9. Consumer electronics

In summary, the Richtek RT9801BGE is a high-efficiency synchronous buck-boost converter that offers a wide input voltage range and a high step-up and step-down voltage conversion ratio. It is suitable for a variety of applications, including battery-powered devices, portable electronics, and power supply systems. Its features, such as high efficiency, low quiescent current, and multiple protection features, make it an ideal choice for a wide range of applications.