The MAX1947ETA30+ from Maxim Integrated is a high-performance, synchronous step-down DC-DC converter that is ideal for powering core voltages of battery-powered systems. With an input voltage range of 2.6V to 5.5V, it caters to a broad spectrum of power requirements, making it a versatile choice for various applications.

Key Features

• High Efficiency: The MAX1947ETA30+ boasts an efficiency of up to 96%, ensuring minimal power loss during conversion, which is crucial for extending battery life in portable devices.
• Adjustable Output Voltage: It offers an adjustable output voltage from 0.8V to V<sub>IN, providing flexibility to match the voltage requirements of different loads.
• Low Quiescent Current: With a quiescent current of only 110µA, it is particularly suitable for battery-powered applications where power conservation is a priority.
• High-Frequency Operation: Operating at a fixed frequency of 1MHz allows for the use of small, low-cost inductors and capacitors, reducing the overall size and cost of the power supply design.

Applications

The MAX1947ETA30+ is designed to meet the needs of a wide range of applications, including:

• Portable and battery-powered devices
• PDAs and smartphones
• Wireless and DSL modems
• GPS receivers

Package and Reliability

This step-down converter comes in a compact, 8-pin TDFN package with an exposed pad for enhanced thermal performance. It also features a range of protective measures, such as over-temperature protection and cycle-by-cycle current limit, ensuring reliable operation under various conditions.

Easy Integration

Its small footprint and minimal external component requirements make the MAX1947ETA30+ an excellent choice for space-constrained applications. The device simplifies the design process, enabling quick and easy integration into existing and new projects alike.

With its combination of efficiency, adjustability, and reliability, the MAX1947ETA30+ from Maxim Integrated stands out as a superior choice for engineers and designers looking to optimize their power management solutions.