Maxim Integrated MAX1709EUI+ Step-Up DC-DC Converter

The MAX1709EUI+ from Maxim Integrated is a high-efficiency, low-quiescent-current, step-up DC-DC converter designed to provide a solution for portable electronic devices that require a compact power supply with adjustable output. This component is particularly suitable for battery-powered applications where extending the battery life is crucial. Its advanced features and compact design make it an excellent choice for engineers looking to optimize power consumption and space in their designs.

Key Features:

• Adjustable Output Voltage: The MAX1709EUI+ offers an adjustable output voltage from 2.5V to 5.5V, which allows designers to tailor the power supply to their specific needs. This flexibility is essential for supporting a variety of components that may require different operating voltages.
• High Efficiency: With an efficiency of up to 94%, this step-up converter ensures minimal power loss during voltage conversion, which is critical for maximizing battery life in portable devices.
• Low Quiescent Current: The device features a low quiescent current of only 110µA, which further contributes to energy savings, especially in standby or low-power modes.
• Small Package Size: The MAX1709EUI+ comes in a compact TSSOP-28 package, making it ideal for space-constrained applications such as handheld devices, wearables, and IoT sensors.
• Integrated Features: It includes an internal N-channel MOSFET switch and a synchronous rectifier, which simplifies the design and reduces external component count.
• Wide Input Voltage Range: The converter operates with an input voltage range from 1.8V to 11V, accommodating various battery chemistries and configurations.

Applications:

• Portable and battery-powered devices
• Handheld instruments and medical equipment
• Wireless and IoT devices
• Power supply for DSPs, microcontrollers, and other digital ICs

The MAX1709EUI+ is a versatile and reliable component that offers design flexibility, high efficiency, and energy-saving features, making it an ideal choice for modern portable electronics that demand compact and efficient power management solutions.