LT4363HDE-1#PBF

Overview

The LT4363HDE-1#PBF is a high-efficiency switching surge stopper manufactured by Analog Devices Inc., designed for board-mount applications. It operates within an input voltage range of 4 VDC to 80 VDC and features an SMD/SMT package in the DFN-12 form factor, measuring 4 mm in length, 3 mm in width, and 0.86 mm in height. The device supports a maximum operating current of 1.2 mA and functions reliably across a temperature range from -40°C to +125°C. This component serves as a robust solution for protecting sensitive electronics against transient voltage events.

Feature Summary

• Integrates high-efficiency switching topology to minimize power loss during normal operation and surge events
• Provides active current limiting to protect downstream components from overload conditions
• Features automatic retry or latch-off mechanisms depending on specific variant configuration for fault recovery

Applications

• Automotive electronic systems requiring overvoltage protection
• Avionics equipment demanding high reliability under harsh electrical environments
• Industrial control units needing robust surge suppression capabilities

Procurement Notes

Verify the exact suffix and package type when ordering, as variations exist within the LT4363 family. Confirm availability status with authorized distributors, as supply constraints may apply. Ensure compatibility with existing PCB footprints, specifically the DFN-12 outline. Check RoHS compliance documentation for regulatory adherence in target markets. Validate thermal performance requirements against the specified operating temperature range before integration.

Selection Notes

Choose this component when designing circuits that require protection against high-voltage transients up to 80 VDC. Consider the DFN-12 package size for space-constrained board layouts. Evaluate the need for current limiting features to safeguard load integrity. Compare thermal dissipation characteristics against ambient operating conditions. Assess system reset behavior requirements to determine if automatic retry or manual reset is preferred for fault handling.

Part Context

This part belongs to the LT4363 series of high-voltage surge stoppers from Analog Devices. It complements other devices like the LT4363MPMS-1#PBF and LT4363CDE-1#PBF, offering similar protective functionalities in different package options. The series is engineered for automotive, avionics, and industrial sectors, providing reliable circuit protection against voltage spikes and reverse polarity events.

Replacement Considerations

LT4363IDE-1#PBF

FAQ

What is the maximum input voltage supported by the LT4363HDE-1#PBF?

The device supports an input voltage range from 4 VDC to 80 VDC.

Does the LT4363HDE-1#PBF include current limiting functionality?

Yes, the component features integrated current limiting to protect against output overloads.