ON Semiconductor CAT3626HV4-GT2 Product Overview

The CAT3626HV4-GT2 from ON Semiconductor is a high-efficiency, quad-mode, fractional charge pump LED driver that is designed to cater to the needs of portable devices where power efficiency and minimal space occupation are critical. This LED driver is ideal for applications such as backlighting in mobile phones, PDAs, digital cameras, and other handheld devices.

Key Features

• Adjustable Output Current: The device allows for precision control of LED current, which can be adjusted up to 30mA per channel, ensuring optimal brightness and power usage for a variety of LED configurations.
• High Efficiency: With the capability to automatically switch between 1x, 1.5x, and 2x modes, the CAT3626HV4-GT2 maintains a high efficiency over a wide range of input voltages, which is essential for maximizing battery life in portable applications.
• Low Noise Operation: The charge pump operates at a constant frequency in all modes, significantly reducing output ripple and eliminating the need for external inductors, thereby simplifying design and reducing noise.
• Compact Package: Housed in a 16-lead, 4x4x0.8 mm thin QFN package, this LED driver is designed for space-constrained applications, offering a compact power management solution without sacrificing performance.

Performance Specifications

• Voltage Range: The device operates over a wide input voltage range from 3.0V to 5.5V, making it versatile for various battery technologies.
• Thermal Protection: The CAT3626HV4-GT2 includes thermal shutdown protection, safeguarding the device and the system from overheating.
• Low Shutdown Current: In shutdown mode, the device draws less than 1µA, contributing to the overall power conservation of the system.

Applications

The CAT3626HV4-GT2 is suited for a broad range of applications that require efficient, compact, and reliable LED driving solutions. Its performance characteristics make it an excellent choice for powering LED backlights in portable electronics, enhancing visual displays while maintaining energy efficiency.

With its combination of features and compact form factor, the CAT3626HV4-GT2 from ON Semiconductor is a versatile and efficient solution for designers looking to optimize their LED driving applications in the portable device market.