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RT5797ALGQW

The Richtek RT5797ALGQW is a high-efficiency synchronous buck-boost LED driver IC designed for driving LEDs in various applications. It features a wide input voltage range, high efficiency, and low quiescent current, making it suitable for a wide range of LED lighting applications.

Description:

The RT5797ALGQW is a highly integrated LED driver IC that provides a constant current output to drive LEDs. It features a synchronous buck-boost converter topology, which allows it to efficiently step up or step down the input voltage to provide a regulated output voltage to the LEDs. The device is available in a compact QFN package, making it easy to integrate into a wide range of LED lighting applications.

Features:

• Synchronous buck-boost converter topology
• Wide input voltage range: 4V to 45V
• High efficiency up to 95%
• Low quiescent current: 2.5uA
• Constant current output for stable LED brightness
• Programmable output current and dimming control
• Over-current, over-voltage, and short-circuit protection
• Thermal shutdown and over-temperature protection
• Wide operating temperature range: -40°C to 105°C

Applications:

The RT5797ALGQW is suitable for a wide range of LED lighting applications, including:

1. Automotive interior and exterior lighting
2. Portable LED lighting, such as flashlights and headlamps
3. Architectural and landscape lighting
4. Residential and commercial lighting, such as downlights and panel lights
5. Street and tunnel lighting
6. Industrial and medical lighting

In summary, the Richtek RT5797ALGQW is a high-efficiency synchronous buck-boost LED driver IC that offers a wide input voltage range, high efficiency, and low quiescent current. It is suitable for a wide range of LED lighting applications, including automotive, portable, architectural, residential, commercial, street, and industrial lighting.