The CAT3643HV3-GT2 is a high-efficiency, quad-channel, constant-current LED driver designed by ON Semiconductor, a leading provider of semiconductor-based solutions. This compact and innovative component is specifically engineered to meet the rigorous demands of portable and battery-powered applications where power efficiency and minimal space occupation are critical.

Key Features

• Quad-Channel Output: The device drives up to four LEDs independently, offering flexibility in multi-LED configurations.
• High Efficiency: With a typical efficiency rate that can reach over 90%, this LED driver ensures extended battery life in portable devices.
• Adjustable Current: Each channel has programmable current levels from 1 mA to 5 mA, enabling precise control over LED brightness.
• Low Profile: The CAT3643HV3-GT2 comes in a tiny 16-lead TQFN package, which is ideal for space-constrained applications.
• Wide Input Voltage Range: The device operates over a broad input voltage range from 3 V to 5.5 V, accommodating a variety of power sources.

Applications

The CAT3643HV3-GT2 is suitable for a wide array of applications, including but not limited to:

• Backlighting for LCD displays in portable devices such as smartphones, tablets, and laptops.
• Keypad illumination for consumer electronics.
• General LED lighting in compact spaces.

Technical Specifications

With its robust design and high functionality, the ON Semiconductor CAT3643HV3-GT2 is an excellent choice for designers looking to enhance the efficiency and performance of their LED-driven applications.