Maxim Integrated MAX620EWN High-Efficiency, Low-Voltage Step-Up DC-DC Converters

The Maxim Integrated MAX620EWN is a versatile and efficient DC-DC converter designed for applications requiring a compact power solution to boost low-voltage inputs to higher outputs. This high-efficiency step-up converter is ideal for battery-powered devices, as it can operate from input voltages as low as 2V, making it suitable for both single-cell and dual-cell battery configurations.

The MAX620EWN features a unique control scheme that enables it to deliver a stable output voltage with a high efficiency over a wide range of load conditions. It is capable of providing an adjustable output voltage up to 16.5V, which can be set using external resistors. This flexibility makes it a perfect fit for a variety of portable electronics, including personal digital assistants (PDAs), portable media players, and other handheld devices.

With its integrated MOSFET switch, the MAX620EWN minimizes the need for external components, thereby reducing the overall solution size and bill of materials cost. The device also includes safety features such as thermal shutdown and current limiting to protect against over-temperature and over-current conditions. Additionally, it offers a low quiescent current, contributing to extended battery life in portable applications.

The MAX620EWN comes in a 16-pin narrow SO package, which is suitable for space-constrained applications. Its small footprint, combined with a high switching frequency of up to 500kHz, allows for the use of small inductors and capacitors, further minimizing the size of the power supply design.

Key features of the MAX620EWN include:

• Input voltage range from 2V to 16.5V
• Adjustable output voltage set by external resistors
• High efficiency across a wide range of loads
• Integrated MOSFET switch
• Thermal shutdown and current limit protection
• Low quiescent current for battery saving
• High switching frequency enables small component size
• 16-pin narrow SO package for compact designs

Overall, the Maxim Integrated MAX620EWN is a reliable and efficient solution for designers looking to boost low voltages to higher levels without compromising on space or performance.