MAX1634EAI+

DC DC Switching Controllers Overview

The MAX1634EAI+ is a dual switching controller from the MAX1634 series, designed for multi-output low-noise power supply applications. It operates within an input voltage range of 4.2 V to 30 V and supports a maximum switching frequency of 330 kHz. The device is housed in a 28-pin SSOP package with a pitch of 0.65 mm and dimensions of 5.30 mm. It functions as a PWM DC/DC step-down regulator capable of delivering up to 2 A output current. The component is rated for operation between -40°C and +85°C.

DC DC Switching Controllers Feature Summary

• Dual-channel architecture for synchronized multi-output power generation
• Integrated PWM control for efficient DC/DC step-down regulation
• Low-noise design optimized for sensitive notebook computer systems

DC DC Switching Controllers Applications

• Multi-output power supplies for notebook computers
• Low-noise DC/DC conversion stages
• Synchronized buck converter topologies

DC DC Switching Controllers Procurement Notes

Verify availability status carefully as this part may be discontinued or subject to limited supply. Confirm the exact suffix matches the required package and temperature grade. Check for official EOL notices from Analog Devices. Ensure compatibility with existing PCB footprints before ordering. Consult authorized distributors for current stock levels.

DC DC Switching Controllers Selection Notes

Select this component when designing dual-output synchronous buck converters requiring low noise. Verify that the 330 kHz switching frequency meets system EMI requirements. Ensure the 2 A current capability aligns with load demands. Consider thermal management due to the SSOP-28 package constraints. Validate input voltage ranges against the 4.2 V to 30 V specification.

DC DC Switching Controllers Part Context

This part belongs to the Maxim Integrated MAX1634 family of switching controllers. It is specifically engineered for portable electronics where space and noise are critical constraints. The device integrates control logic for two independent channels, simplifying board layout compared to discrete solutions. It represents a specialized solution within the broader PMIC category for mobile computing platforms.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult Analog Devices technical support for direct replacements or pin-compatible alternatives.