The MAX1583ZETB+ from Maxim Integrated is a state-of-the-art step-up converter designed for driving white LEDs used in large display backlights. This high-efficiency component is particularly well-suited for portable applications where power efficiency and low noise are crucial.

Key Features

• High Efficiency: The MAX1583ZETB+ boasts a high power conversion efficiency, which is essential for maximizing battery life in portable devices.
• Adjustable Output: The output voltage is adjustable, providing flexibility and compatibility with a variety of LED configurations and ensuring optimal performance for each specific application.
• Low Noise Operation: Designed with low noise in mind, this converter minimizes interference with other device components, making it ideal for sensitive electronic devices.
• Thermal Protection: The device includes thermal shutdown protection to safeguard against overheating, ensuring reliability and a longer lifespan.
• Compact Size: The MAX1583ZETB+ comes in a tiny, lead-free, 10-pin TDFN package, which is perfect for space-constrained applications.

Applications

The MAX1583ZETB+ is particularly useful in a wide range of applications, including:

• Mobile phones
• PDAs
• Digital cameras
• Other handheld devices

Technical Specifications

With an input voltage range of 2.6V to 5.5V, the MAX1583ZETB+ is versatile and can be powered by a single lithium-ion cell or a 3 to 4 cell NiMH/NiCd/alkaline battery pack. The device can drive up to 26 white LEDs with a total output current of 20mA to 40mA, which is configurable via an external resistor.

Additional features include a fixed 1.2MHz switching frequency, which allows for the use of small external components, and a built-in soft-start function that limits inrush current during startup.

Ordering Information

The MAX1583ZETB+ is available for order with the option for custom reel quantities and tape and reel packaging, facilitating easy integration into manufacturing processes.