MAX1631CAI

DC DC Switching Controllers Overview

The MAX1631CAI is a dual switching controller designed for notebook computer power supplies. It operates within an input voltage range of +4.2V to +30V and provides two adjustable outputs ranging from 2.5V to 5.5V, or selectable fixed 3.3V and 5V options in Dual Mode. The device utilizes current-mode control with pulse width modulation to achieve up to 96% efficiency. It includes a precision 2.5V reference output, a 12V linear regulator, and a secondary feedback adjustment feature.

DC DC Switching Controllers Feature Summary

• Dual switching controller architecture supporting independent or combined output configurations
• Integrated precision 2.5V reference and 12V linear regulator for system stability
• Adjustable secondary feedback capability for optimized power supply performance
• Supports both adjustable and fixed output modes via selectable configuration

DC DC Switching Controllers Applications

• Multi-output power supplies for notebook computers
• Low-noise power management systems requiring high efficiency
• Portable electronic devices utilizing dual voltage rails

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'CAI' against official Analog Devices documentation to confirm package type and temperature grade. Ensure compatibility with existing board layouts regarding the SSOP-28 footprint. Confirm that the component meets required environmental standards for the target application before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when designing power systems requiring dual regulated outputs from a single wide-input source. It is suitable for applications demanding high efficiency and low noise. Consider the integrated regulators if space constraints prevent using separate linear regulators for bias voltages.

DC DC Switching Controllers Part Context

This part belongs to the Maxim Integrated family of multi-output power-supply controllers. It is specifically engineered for portable computing applications where efficiency and compact design are critical. The device integrates multiple functions typically requiring separate components into a single IC solution.

DC DC Switching Controllers Replacement Considerations

Consult official cross-reference lists for direct replacements. Verify pinout compatibility and electrical specifications before substituting with other dual switching controllers from different manufacturers.