Maxim Integrated MAX632ACSA+ Step-Up DC-DC Converter

The MAX632ACSA+ from Maxim Integrated is a high-efficiency, voltage-mode, step-up DC-DC converter designed for battery-powered and low-power applications. This compact and powerful component is ideal for converting low voltage inputs to higher voltage outputs with minimal external components and board space.

The device operates from a supply voltage as low as 1.5V, making it suitable for single-cell battery applications, and can deliver an adjustable output voltage up to 16.5V. The MAX632ACSA+ is housed in an 8-pin SOIC package, offering a space-saving solution for a variety of electronic devices.

Key features of the MAX632ACSA+ include:

• High Efficiency: The converter boasts a high efficiency of up to 87%, reducing power loss and improving battery life in portable devices.
• Adjustable Output Voltage: Users can set the desired output voltage through an external resistor divider, providing flexibility across different applications.
• Low Quiescent Current: The device features a low quiescent current of typically 110µA, which is critical for battery conservation in standby and idle modes.
• Frequency Operation: It operates at a switching frequency of 100kHz, allowing for smaller external components like inductors and capacitors, further saving on board space.
• Thermal Shutdown: The MAX632ACSA+ includes thermal shutdown protection, ensuring the device operates within safe temperature ranges and protects against overheating.

This step-up converter is well-suited for a wide range of applications, including but not limited to personal digital assistants (PDAs), digital cameras, handheld instruments, and portable medical equipment. Its ease of use, combined with its performance characteristics, makes it a reliable choice for designers looking to optimize their power management solutions.

With Maxim Integrated's reputation for quality and reliability, the MAX632ACSA+ step-up DC-DC converter is a versatile component that delivers performance and efficiency for today's power-sensitive designs.