MAX1634CAI+T

DC DC Switching Controllers Overview

The MAX1634CAI+T is a high-efficiency, step-up DC-DC converter designed for portable applications. It operates from input voltages as low as 0.7V, enabling the use of single-cell alkaline or lithium-ion batteries. The device integrates a 250mA switch and offers adjustable output voltages up to 5.5V. It features a fixed 1.2MHz switching frequency, allowing for the use of small inductors and capacitors. The converter includes cycle-by-cycle current limiting and thermal shutdown protection for robust operation.

DC DC Switching Controllers Feature Summary

• Integrates a high-current power switch for efficient voltage boosting
• Operates with ultra-low input voltage starting at 0.7V
• Includes comprehensive protection mechanisms such as thermal shutdown
• Fixed high-frequency operation minimizes external component size

DC DC Switching Controllers Applications

• Portable medical devices requiring low-voltage operation
• Cellular phones and PDAs powered by single-cell batteries
• Handheld instruments utilizing alkaline or NiMH cells
• GPS modules and other battery-powered wireless systems

DC DC Switching Controllers Procurement Notes

Verify the suffix 'T' indicates tape-and-reel packaging when ordering. Confirm the 'CAI' designation corresponds to the specific temperature range and package type required for your design. Ensure compatibility with the 8-pin SO package dimensions. Cross-reference the manufacturer's latest datasheet for any updates on pinout or electrical characteristics before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this component when input voltages drop below standard regulator thresholds but require stable higher output. Ideal for space-constrained designs due to integrated switch and high frequency. Consider thermal performance if operating near maximum load currents. Verify that the required output voltage falls within the adjustable range supported by the feedback network configuration.

DC DC Switching Controllers Part Context

This part belongs to Maxim Integrated's family of high-efficiency step-up converters. It is engineered for battery-operated systems where efficiency and low quiescent current are critical. The device complements other power management solutions by providing reliable voltage boosting from very low source voltages, ensuring extended battery life in portable electronics.

DC DC Switching Controllers Replacement Considerations

Check for direct pin-compatible alternatives within the same product family. Verify that substitute parts support the same input voltage range and switching frequency. Ensure equivalent current handling capabilities and protection features are present. Confirm package compatibility to avoid PCB redesign requirements.