Maxim Integrated MAX8630ZTD18: High-Efficiency LED Driver

The MAX8630ZTD18 from Maxim Integrated is a versatile and high-performance LED driver designed to deliver constant current to power high-brightness LEDs. This compact integrated circuit is ideal for portable applications where efficiency and size are critical. Its advanced features make it a perfect choice for a wide range of products including mobile phones, personal digital assistants (PDAs), digital cameras, and other portable devices where power-efficient backlighting is essential.

Key Features:

• High Efficiency: The MAX8630ZTD18 is engineered to provide high efficiency, which is crucial for prolonging battery life in portable devices. It achieves this through an adaptive 1x/1.5x/2x charge pump that optimizes efficiency based on the LED forward voltage requirements.
• Flexible Current Control: It offers a wide dimming range with 32 linear steps for precise brightness control, making it suitable for applications where varying light intensity is needed.
• Thermal Protection: The device includes built-in thermal shutdown protection, ensuring the safety and reliability of the application by preventing overheating.
• Small Form Factor: The MAX8630ZTD18 comes in a tiny, 3mm x 3mm, 14-pin TDFN package, which is ideal for space-constrained applications.

Technical Specifications:

• Input Voltage Range: 2.7V to 5.5V
• Output Current: Up to 25mA per LED
• Drive Capability: Can drive up to 6 LEDs in series
• Operating Temperature Range: -40°C to +85°C

The MAX8630ZTD18 also features integrated soft-start, which minimizes inrush current during startup, and a low 1µA shutdown current that contributes to the overall power-saving design. With its over-voltage protection, the device ensures that LEDs are safeguarded against conditions that could lead to premature failure.

Maxim Integrated's commitment to innovation is evident in the MAX8630ZTD18 LED driver, making it an excellent choice for designers looking to enhance the performance and efficiency of their LED lighting solutions.