ON Semiconductor CAT3604AHV4-T2 Overview

The CAT3604AHV4-T2 from ON Semiconductor is a high-efficiency, quad-channel, charge pump LED driver designed to satisfy the power requirements for portable battery-powered devices. This integrated circuit (IC) is capable of driving up to four LEDs and is ideal for applications in mobile phones, personal digital assistants (PDAs), digital cameras, and other handheld devices where extended battery life is crucial.

Key Features

• Multiple LED Channels: Provides four individually controllable LED channels, which allows for adjustable brightness and power savings.
• High Efficiency: The charge pump technology ensures efficient operation, which translates to longer battery life for portable devices.
• Low Noise Operation: Designed with low-noise characteristics to avoid interference with other device functions.
• Adjustable Output: The output current can be programmed via external resistors, offering customizable brightness levels for different LED applications.
• Thermal Protection: The built-in thermal shutdown feature protects the device from overheating, enhancing its reliability and lifespan.

Applications

With its compact size and ability to drive multiple LEDs, the CAT3604AHV4-T2 is perfectly suited for a variety of applications, including:

• Backlighting for LCD displays in portable devices.
• Keypad illumination for mobile phones and remote controls.
• General LED lighting for personal electronics.

Technical Specifications

• Input Voltage Range: 3V to 5.5V, accommodating a wide range of battery technologies.
• Output Voltage: Up to 5V, ensuring sufficient voltage to drive white LEDs.
• Output Current: Up to 30mA per channel, providing ample current for standard LED requirements.
• Package: Compact 16-lead, 4mm x 4mm TQFN package, ideal for space-constrained applications.

The CAT3604AHV4-T2 is a testament to ON Semiconductor's commitment to providing innovative, energy-efficient solutions for the ever-evolving portable electronics market. With its combination of performance, efficiency, and design flexibility, this LED driver is an excellent choice for designers looking to enhance the user experience through effective and reliable illumination.