Maxim Integrated MAX1715EEI-T Step-Down Controller Overview

The MAX1715EEI-T from Maxim Integrated is a high-efficiency, low-voltage, synchronous step-down controller designed to supply power to core voltage supplies of battery-operated and electrically powered equipment. This compact and versatile controller is ideal for applications requiring a highly efficient power management solution with a minimized component count.

Key Features

• Versatility: The MAX1715EEI-T is capable of handling a wide input voltage range, making it suitable for various applications from PDAs to notebook computers.
• Efficiency: With its synchronous rectification and internal compensation, this device ensures high efficiency, which is crucial for extending battery life in portable devices.
• Power Saving: It features a SKIP mode that allows for pulse skipping at light loads, further improving efficiency and saving power.
• Protection: The device includes a range of protective features such as overcurrent protection and thermal shutdown, ensuring safe operation under abnormal conditions.
• Small Footprint: The MAX1715EEI-T comes in a compact QSOP package, which is highly valued in space-constrained applications.

Applications

The MAX1715EEI-T is suitable for a variety of applications where efficient power conversion is required. Its primary use is in powering the core voltages of CPUs in portable devices, but it can also be used in:

• Notebook and sub-notebook computers
• PDAs and mobile communication devices
• Portable instruments
• Other battery-powered devices

Technical Specifications

The MAX1715EEI-T operates with an input voltage range from 1.8V to 5.5V, making it compatible with most low-voltage power supplies. The output voltage is adjustable and can be set to as low as 0.7V with a high degree of accuracy, which is essential for modern low-voltage CPUs. Additionally, the device offers a switching frequency of up to 300kHz, which allows the use of small, low-profile inductors and capacitors to reduce board space and overall design size.

With its combination of features, the MAX1715EEI-T from Maxim Integrated offers a comprehensive solution for power management in compact and energy-sensitive electronic devices.