MAX4845ELT+

Power Management - Specialized Overview

The MAX4845ELT+ is an overvoltage protection controller designed to safeguard low-voltage systems against high-voltage input faults up to 28V. It operates within a supply voltage range of 1.2V to 5.5V and features a compact 6-WFDFN package. The device incorporates charge pump technology and soft-start functionality to ensure stable operation during fault conditions.

Power Management - Specialized Feature Summary

• Provides robust protection for low-voltage rails against high-voltage input faults
• Integrates charge pump circuitry for efficient internal operation
• Includes soft-start capability to manage inrush currents during activation

Power Management - Specialized Applications

• Protection of 1.2V to 5.5V system power rails
• High-voltage fault isolation in embedded systems
• Overvoltage protection in industrial control circuits

Power Management - Specialized Procurement Notes

Verify the component authenticity by checking the manufacturer marking and package integrity upon receipt. Ensure the ordering suffix matches the required temperature grade and lead-free status. Cross-reference the part number with official Analog Devices documentation to confirm pinout compatibility before integration into the design.

Power Management - Specialized Selection Notes

Select this controller when protecting low-voltage loads from transient or sustained overvoltage events exceeding 28V. Consider the 6-WFDFN package size for space-constrained designs. Evaluate the standby current requirements and soft-start timing needs relative to the specific load characteristics and system startup sequence.

Power Management - Specialized Part Context

This component belongs to the MAX4843–MAX4846 family of overvoltage protection controllers. These devices share similar functional architectures but may differ in specific threshold voltages, package options, or additional features. The MAX4845ELT+ specifically targets applications requiring protection for standard logic voltage levels.

Power Management - Specialized Replacement Considerations

Compatible substitutes include other members of the MAX4843–MAX4846 series, such as the MAX4843, MAX4844, MAX4846, provided they meet the specific voltage threshold and package requirements of the application.