L165H

Overview

The L165H is a high-power operational amplifier manufactured by STMicroelectronics, designed for applications requiring significant current drive capabilities. It features a single circuit configuration housed in a robust 5-Pentawatt package, suitable for through-hole mounting. This component operates within the automotive temperature grade, ensuring reliability in demanding environments. The device integrates internal protection mechanisms and offers high gain characteristics, making it ideal for power amplification tasks where stability and performance are critical.

Feature Summary

• High current output capability of 3A for driving low-impedance loads
• Automotive-grade temperature rating for enhanced environmental resilience
• Integrated short-circuit and thermal protection for operational safety

Applications

• Motor control systems requiring precise current regulation
• Audio power amplification circuits
• Industrial actuator drivers

Procurement Notes

Verify the specific suffix 'H' indicates the automotive grade variant when sourcing. Confirm the 5-Pentawatt package type matches your PCB footprint requirements. Ensure compatibility with your system's voltage supply limits as defined in the official datasheet electrical characteristics table before finalizing procurement.

Selection Notes

Select this component when a single-channel op-amp with high current drive is needed. Compare against standard commercial grades if automotive qualification is not required to optimize cost. Consider the Pentawatt package thermal dissipation capabilities relative to your enclosure design and ambient operating conditions.

Part Context

This part belongs to STMicroelectronics' family of power operational amplifiers. It complements other high-current devices by offering a balance of performance and ruggedness. The Pentawatt package provides a cost-effective solution for medium-power applications compared to larger discrete transistor solutions.

Replacement Considerations

Check for direct pin-compatible alternatives from ST or other manufacturers that meet the 3A current and automotive grade specifications. Verify that any substitute maintains the same 5-Pentawatt footprint and thermal resistance characteristics.