Maxim Integrated MAX1703ESE Step-Up DC-DC Converter

The MAX1703ESE from Maxim Integrated is a high-efficiency, low quiescent current step-up DC-DC converter, ideal for portable electronic devices that demand compact size and extended battery life. This advanced power management integrated circuit (IC) is designed to efficiently convert low voltage power from a single cell battery to the higher voltages required for powering various components within a device.

Key Features

• High Efficiency: The MAX1703ESE offers an impressive conversion efficiency, which can reach up to 96%, minimizing power loss and ensuring maximum battery utilization.
• Voltage Conversion: With an input voltage range of 0.7V to 5.5V, it is capable of stepping up to an adjustable output voltage from 2V to 5.5V, making it versatile for a wide range of applications.
• Low Quiescent Current: Its low quiescent current of only 5µA (typical) during shutdown mode significantly reduces power consumption when the device is in standby, prolonging battery life.
• Small Package: The MAX1703ESE comes in a compact 16-pin narrow SO package, which is ideal for space-constrained applications.
• Flexible Design: It features an internal 2A switch, which allows designers to use smaller, lower-cost inductors and capacitors, facilitating a more cost-effective and compact design.
• Protection Features: The device includes built-in safety features such as over-temperature protection and a current limit to safeguard the IC and the powered device from damage due to excessive heat or current.

Applications

The versatility of the MAX1703ESE makes it suitable for a broad range of applications, particularly where space and power efficiency are critical. It is commonly used in:

• Portable Media Players
• Handheld Computers
• Cellular Phones
• Wireless Mice and Keyboards
• Personal Digital Assistants (PDAs)
• Portable Instruments
• LED Lighting

The MAX1703ESE from Maxim Integrated is a reliable and efficient solution for your power conversion needs, delivering high performance in a small footprint. Its robust feature set ensures that it can meet the demands of a wide array of portable and low-power applications.