LTC4381ADKE-1#TRPBF

Current Regulation/Management Overview

The LTC4381ADKE-1#TRPBF is a board mount surge stopper manufactured by Analog Devices Inc. It operates within an input voltage range of 4 V to 72 V and supports a current rating of 500 mA. The device is housed in a 32-DFN package measuring 7 mm in length, 5 mm in width, and 0.75 mm in height. It functions as a low quiescent current eFuse with SMD/SMT termination. The component is rated for operation between -40°C and +125°C.

Current Regulation/Management Feature Summary

• Provides board-level surge protection against transient overvoltage events
• Integrates electronic fuse functionality with low quiescent current consumption
• Features automatic retry capability for fault recovery

Current Regulation/Management Applications

• Protection of sensitive downstream circuitry from power supply surges
• High-side switch implementation in industrial systems
• Input protection for communication interfaces

Current Regulation/Management Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the part number matches the exact electrical specifications required for the target application. Ensure compatibility with the intended operating temperature range and voltage ratings before finalizing procurement decisions.

Current Regulation/Management Selection Notes

Select this component for applications requiring robust surge protection combined with low standby current consumption. Consider the 32-DFN package dimensions for PCB layout constraints. Verify that the 500 mA current rating meets the load requirements while ensuring the 72 V maximum input voltage aligns with the system power architecture.

Current Regulation/Management Part Context

This component belongs to the LTC4381 series of current surge stoppers designed by Analog Devices. It serves as a specialized power management IC focused on protecting circuits from high-energy transients. The series offers various pin configurations and current ratings to suit different system protection needs.

Current Regulation/Management Replacement Considerations

LTC4381ADKE-1#PBF is a verified alternative offering identical electrical characteristics but supplied in tube packaging instead of tape and reel.