Richtek

RT9187GQV

The Richtek RT9187GQV is a highly integrated, high-efficiency synchronous step-down regulator designed for a wide range of power management applications. It offers a compact solution with high efficiency and low quiescent current, making it ideal for use in battery-powered devices and other power-sensitive applications.

Description:

The RT9187GQV is a synchronous step-down regulator that uses a constant on-time control scheme to achieve high efficiency and low quiescent current. It features a wide input voltage range of 4V to 36V and can deliver an output voltage as low as 0.9V. The device is available in a compact QFN package, making it suitable for space-constrained applications.

Features:

• High efficiency: The RT9187GQV achieves high efficiency over a wide input voltage range, making it ideal for use in power-sensitive applications.
• Wide input voltage range: The device can operate from an input voltage of 4V to 36V, making it suitable for a wide range of power supply applications.
• Low quiescent current: The RT9187GQV has a low quiescent current of 35µA, which helps to minimize power consumption in battery-powered devices.
• Synchronous rectification: The device uses synchronous rectification to improve efficiency and reduce power loss.
• Programmable soft-start: The RT9187GQV features a programmable soft-start function, which helps to reduce inrush current and minimize output voltage overshoot during startup.
• Protection features: The device includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure reliable operation.

Applications:

The Richtek RT9187GQV is suitable for a wide range of power management applications, including:

• Portable electronics: The RT9187GQV's high efficiency and low quiescent current make it ideal for use in battery-powered devices such as smartphones, tablets, and wearable devices.
• Industrial equipment: The device's wide input voltage range and robust protection features make it suitable for use in industrial equipment such as motor drivers and sensing devices.
• Medical devices: The RT9187GQV's compact size and low quiescent current make it suitable for use in portable medical devices such as hearing aids and glucose meters.
• Consumer electronics: The device's high efficiency and programmable soft-start function make it suitable for use in a wide range of consumer electronics applications, including LED lighting, TV power supplies, and set-top boxes.

In summary, the Richtek RT9187GQV is a highly integrated, high-efficiency synchronous step-down regulator that offers a compact solution with a wide input voltage range, low quiescent current, and robust protection features. It is suitable for a wide range of power management applications, including portable electronics, industrial equipment, medical devices, and consumer electronics.