Maxim Integrated MAX1928EB18+ Overview

The Maxim Integrated MAX1928EB18+ is a compact, high-efficiency, step-down DC-DC converter designed to deliver a fixed output voltage of 1.8V from a supply ranging from 2.6V to 5.5V. This makes it an ideal choice for battery-powered devices where maintaining a consistent voltage is crucial for performance and longevity.

Key Features

• High Efficiency: The MAX1928EB18+ is optimized for high efficiency, which helps in reducing power loss and improving battery life in portable applications.
• Fixed Output Voltage: This device provides a stable 1.8V output, which is common for powering digital circuits and microcontrollers.
• Wide Input Voltage Range: With an input voltage range of 2.6V to 5.5V, the MAX1928EB18+ is versatile for various power sources, including single-cell lithium-ion (Li+) batteries.
• Low Quiescent Current: The low quiescent current of the converter ensures minimal drain on the battery when the device is in standby mode, thus enhancing the overall battery life.
• Compact Package: The MAX1928EB18+ comes in a small, 8-pin µMAX package that is suitable for space-constrained applications.
• Thermal Overload Protection: It includes built-in thermal overload protection that safeguards the device and the system from damage due to excessive heat.

Applications

Due to its features, the MAX1928EB18+ is particularly well-suited for portable electronics where power efficiency and space are critical considerations. It can be used in a variety of applications, including:

• Mobile phones and PDAs
• Wireless headsets and earbuds
• Portable media players
• Handheld GPS units
• Personal health monitoring devices
• Other battery-operated devices

Reliability and Performance

The MAX1928EB18+ is a testament to Maxim Integrated's commitment to reliability and performance. It offers a solution for designers looking to enhance the power management of their compact electronic devices without compromising on space or power efficiency.