MAX4842AEXT+

Power Management - Specialized Overview

The MAX4842AEXT+ is an overvoltage-protection controller designed to safeguard low-voltage systems from input voltages up to +28V. It operates within a supply voltage range of 1.2V to 28V and draws a typical supply current of 75µA. The device functions across an operating temperature range of -40°C to +85°C. Packaged in a compact SC-70-6 (TSSOP/SC-88/SOT-363) surface-mount housing, it provides reliable protection for sensitive electronic circuits against transient or sustained overvoltage events.

Power Management - Specialized Feature Summary

• Provides active overvoltage protection for low-voltage system rails
• Features status flag output for fault indication
• Operates with low quiescent current consumption
• Supports wide input voltage range up to 28V

Power Management - Specialized Applications

• Overvoltage protection controllers
• Low-voltage system protection
• Portable electronics power management

Power Management - Specialized Procurement Notes

Verify the component authenticity by checking the manufacturer marking and datasheet specifications against the physical device. Ensure the package type matches the required SC-70-6 footprint. Confirm that the operating temperature range and voltage ratings meet the specific application requirements before integration into the design.

Power Management - Specialized Selection Notes

Select this component when protecting low-voltage circuits from inputs exceeding standard rail levels. The wide supply range and low current draw make it suitable for battery-powered or space-constrained designs. Ensure the application does not require higher voltage tolerance than the specified 28V limit.

Power Management - Specialized Part Context

This part belongs to the MAX4842 series of overvoltage-protection ICs from Maxim Integrated, now part of Analog Devices Inc. The series includes variants like the MAX4838A and MAX4840A, offering similar protection functionalities with potentially different thresholds or features. The MAX4842AEXT+ specifically denotes the A-grade version in the EXT+ package.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative components from the same family or other manufacturers.