Maxim Integrated MAX731CPA - Voltage Converter IC

The MAX731CPA is a high-efficiency, CMOS, pulse-width-modulated (PWM), step-up DC-DC voltage converter manufactured by Maxim Integrated. Designed to provide a compact and reliable power solution, this IC is perfect for applications requiring voltage conversion from lower to higher levels. Its versatility and efficiency make it suitable for battery-powered devices, portable electronics, and any system where space and power conservation are critical.

Key Features

• Wide Input Voltage Range: The MAX731CPA operates with an input voltage range from 2.0V to 16.5V, making it suitable for a variety of low-voltage sources, including single or multiple battery cells.
• Adjustable Output Voltage: Users can set the output voltage from 2.5V up to 19V via external resistors, providing flexibility for different circuit requirements.
• High Efficiency: Its high-efficiency operation (up to 87%) conserves power and extends battery life in portable applications.
• Low Quiescent Current: The quiescent current is typically 110µA, which is ideal for battery-operated equipment.
• Frequency Operation: The switching frequency is 300kHz, allowing the use of small, low-cost inductors and capacitors.
• Shutdown Mode: Features a shutdown mode that reduces the supply current to 0.5µA, further conserving energy when the device is not in use.

Applications

• Portable Electronics
• Battery-Powered Devices
• Cellular Phones
• Personal Digital Assistants (PDAs)
• Handheld Instruments

The MAX731CPA comes in an 8-pin DIP package, which is easy to integrate into a wide range of electronic circuits. Its high level of integration reduces the need for external components, thereby simplifying design and reducing overall system cost.

With its robust design and Maxim Integrated's reputation for quality, the MAX731CPA voltage converter is a reliable choice for engineers and designers looking to optimize their power management solutions. Whether for new designs or upgrading existing systems, this IC offers a balance of performance, efficiency, and versatility.