Maxim Integrated MAX1698AEUB+T Step-Up DC-DC Converter

The MAX1698AEUB+T from Maxim Integrated is a high-efficiency, compact, step-up DC-DC converter designed to provide a simple and reliable solution for applications requiring voltage boost functionality. This component is particularly suited for portable devices that need to maximize battery life while delivering consistent performance.

Key Features

• Input Voltage Range: The device operates from a low input voltage range of 0.7V to 5.5V, making it ideal for single-cell battery-powered applications as well as for systems powered by multi-cell batteries or regulated 5V supplies.
• Adjustable Output Voltage: The output voltage is adjustable from 2V to 5.5V, allowing for flexible design options to meet various application requirements.
• High Efficiency: With efficiencies up to 92%, the MAX1698AEUB+T ensures minimal power loss and extends battery life in portable devices.
• Low Quiescent Current: Its low quiescent current of 110µA (typical) makes it an excellent choice for battery-powered applications where power conservation is crucial.
• Integrated MOSFET: The inclusion of an integrated 0.15Ω N-channel MOSFET allows for high switching frequencies and reduces the need for external components, leading to a reduction in overall design size.
• Pulse Frequency Modulation (PFM) Control: PFM control provides high efficiency over a wide range of loads.
• Thermal Shutdown: The device features thermal shutdown protection to safeguard against overheating.
• Package: It is available in a space-saving, 10-pin µMAX package, which is highly suitable for space-constrained applications.

Applications

The MAX1698AEUB+T is versatile and can be used in a variety of applications, including:

• Portable Media Players
• Cellular Phones
• Wireless Handsets and Accessories
• Handheld Computers and PDAs
• Digital Cameras
• GPS Receivers
• Other Battery-Operated Devices

With its combination of high efficiency, adjustable output, and compact form factor, the MAX1698AEUB+T is an excellent choice for designers looking to optimize power management in their next-generation portable devices.