MAX1639ESE+T

DC DC Switching Controllers Overview

The MAX1639ESE+T is a high-speed step-down DC-DC controller featuring synchronous rectification, designed for CPU power applications. It operates within a supply voltage range of 4.5 V to 5.5 V and utilizes a 16-SOIC package. The device integrates an internal N-channel MOSFET driver and supports external synchronous rectifier control for improved efficiency.

DC DC Switching Controllers Feature Summary

• Integrates high-speed switching controller with synchronous rectifier capability
• Optimized for low-voltage CPU core power regulation
• Features compact surface-mount packaging for space-constrained designs

DC DC Switching Controllers Applications

• CPU core voltage regulation
• Point-of-load conversion modules
• Low-voltage digital system power supplies

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized distribution channels due to potential availability constraints. Confirm RoHS compliance status and specific tape-and-reel packaging requirements prior to procurement. Ensure the ordering suffix matches the required quantity format. Cross-reference datasheet revisions to confirm pinout compatibility with existing board layouts.

DC DC Switching Controllers Selection Notes

Select this component when designing low-voltage, high-current power stages requiring efficient synchronous rectification. Evaluate thermal performance based on the SOIC-16 package limitations. Ensure input voltage stability within the specified 4.5 V to 5.5 V range. Consider external inductor selection for target ripple current specifications.

DC DC Switching Controllers Part Context

Part of the Maxim Integrated line of switching controllers focused on efficient power management for digital loads. The MAX1639 series addresses the need for compact, high-efficiency solutions in portable and embedded systems where space and thermal dissipation are critical design constraints.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices documentation for qualified replacement part numbers. Verify functional equivalence regarding pinout, electrical characteristics, and thermal performance before substitution.