ON Semiconductor CAT3626HV4-T2 Overview

The CAT3626HV4-T2 from ON Semiconductor is a high-efficiency, quad-mode, fractional charge pump LED driver that is designed to drive up to six LEDs with a constant current for uniform brightness. This LED driver is ideal for portable applications powered by a battery, such as smartphones, tablets, and other handheld devices, owing to its low power consumption and compact size.

Key Features

• High Efficiency: The CAT3626HV4-T2 features a quad-mode charge pump which ensures high efficiency over a wide range of input voltages, making it an energy-efficient solution for LED driving applications.
• Adjustable Current: It allows for precise control of LED current via a single external resistor, which can be used to set the current level to match the requirements of the specific application, ensuring optimal performance.
• Low Noise Operation: Designed with low-noise operation in mind, this LED driver minimizes interference with other device functions, making it suitable for noise-sensitive applications.
• Thermal Protection: The device includes built-in thermal protection features that prevent damage to the LEDs and the driver itself in case of overheating, enhancing the reliability and lifespan of the application.

Applications

The CAT3626HV4-T2 is versatile and can be used in a variety of lighting applications. It is particularly well-suited for:

• Backlighting for LCD displays in portable devices
• Keypad backlighting for mobile phones and tablets
• General LED lighting in compact spaces

Technical Specifications

The device operates over an input voltage range of 3.0V to 5.5V, making it compatible with most standard battery technologies. It can drive up to six LEDs with currents up to 30 mA each, providing ample brightness for most small-scale lighting needs. The CAT3626HV4-T2 comes in a compact, 16-lead TQFN package, perfect for space-constrained applications.

Quality and Environmental Compliance

ON Semiconductor is committed to providing environmentally friendly solutions. The CAT3626HV4-T2 is RoHS compliant, ensuring that it adheres to the strictest environmental standards and is free from hazardous substances.