MAX1709EUI+T Step-Up DC-DC Converter

The MAX1709EUI+T from Maxim Integrated is a high-efficiency, low-quiescent-current, step-up DC-DC converter specifically designed to deliver a reliable power solution for battery-powered devices. This versatile component is ideal for applications requiring a high voltage boost from low input voltages, making it perfect for portable electronics, handheld devices, and similar applications where energy efficiency is paramount.

Key Features

• Wide Input Voltage Range: The device operates from an input voltage range of 0.7V to 5.5V, accommodating single-cell to multi-cell battery configurations or regulated 5V inputs.
• Adjustable Output Voltage: The output voltage is adjustable up to 28V, providing flexibility for various design requirements.
• High Efficiency: With efficiencies up to 96%, the MAX1709EUI+T maximizes battery life and minimizes power loss due to its advanced design and power-saving features.
• Low Quiescent Current: The device features a low quiescent current of just 110µA, further extending battery life when in standby mode.
• Frequency Operation: It operates at a 600kHz fixed frequency, which allows for small external components, reducing the overall footprint and cost of the power supply design.
• Integrated Features: The converter includes an N-Channel MOSFET switch and a P-Channel MOSFET blocking diode, simplifying the circuit and reducing external component count.
• Thermal Protection: It also features thermal shutdown protection, safeguarding the device from damage due to overheating.

Applications

The MAX1709EUI+T is well-suited for a variety of applications, including but not limited to:

• LCD Bias Supplies
• Portable and Handheld Devices
• White LED Drivers
• Positive Bias Supplies for GaAsFETs in Mobile Phones

Package and Reliability

This component is offered in a compact 16-pin TSSOP package, ensuring a minimal footprint on the PCB. The MAX1709EUI+T is also lead-free and RoHS compliant, meeting environmental standards and ensuring reliability for sensitive applications.

With its comprehensive set of features, the MAX1709EUI+T from Maxim Integrated stands out as a robust and efficient solution for designers looking to improve performance and extend battery life in their portable and handheld device designs.