Maxim Integrated MAX771CSA+T Boost Converter

The MAX771CSA+T from Maxim Integrated is a high-efficiency, low-quiescent-current, step-up DC-DC converter designed to deliver a reliable power solution for battery-powered and low-voltage systems. This versatile component is ideal for portable electronics, where extending battery life is crucial, as well as for applications requiring a regulated higher voltage derived from a lower voltage source.

Key Features

• Adjustable Output Voltage: The MAX771CSA+T offers an adjustable output voltage range, enabling designers to tailor the output to meet specific requirements of their application.
• High Efficiency: With its high switching frequency and low quiescent current, this boost converter operates with high efficiency, making it suitable for power-sensitive devices.
• Low Battery Detector: It includes a low battery detector that alerts the system when the battery voltage falls below a predefined threshold, protecting the system from deep discharge.
• Power-Saving Mode: The device features a power-saving shutdown mode, reducing the supply current to 5µA (typical) when not in active use, thus conserving battery life.
• Small Package: The MAX771CSA+T is available in a compact 8-pin SO package, which is beneficial for space-constrained applications.

Applications

The versatile nature of the MAX771CSA+T makes it suitable for a wide array of applications, including but not limited to:

• Portable Devices
• PDAs and Handheld Computers
• Digital Cameras
• Medical Instruments
• Wireless Communication Devices
• GPS Receivers

Technical Specifications

The MAX771CSA+T operates over a wide input voltage range from 2V to 16.5V, making it compatible with various battery chemistries and configurations. It can deliver a maximum output current of up to 150mA with an input of 5V, ensuring that even high-demand devices can be powered effectively. The device also features a high switching frequency of up to 600kHz, allowing the use of smaller, more cost-effective inductors and capacitors, resulting in a compact power supply design.

Overall, the Maxim Integrated MAX771CSA+T boost converter is an excellent choice for designers looking to enhance the performance and extend the battery life of their portable or low-voltage electronic devices.