L6982N50DR

Voltage Regulators - DC DC Switching Regulators Overview

The L6982N50DR is a monolithic synchronous step-down DC-DC converter manufactured by STMicroelectronics. It integrates high-side and low-side N-channel power MOSFETs to achieve high efficiency in compact designs. The device operates with an input voltage range from 4.5V to 36V, providing a regulated output current up to 2A. It features a fixed switching frequency of 1MHz, allowing for the use of small external components. The converter includes comprehensive protection mechanisms such as overcurrent protection, thermal shutdown, and soft-start functionality to ensure reliable operation under various load conditions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification with internal high-side and low-side N-channel MOSFETs
• Fixed 1MHz switching frequency for reduced passive component size
• Built-in overcurrent protection and thermal shutdown for enhanced reliability
• Wide input voltage range supporting diverse power supply applications

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supplies for embedded systems and controllers
• Battery-powered devices requiring efficient voltage conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part marking and packaging details against the official datasheet before procurement. Ensure the ordering code matches the specific suffix requirements for tape and reel configuration. Confirm that the supplier provides genuine STMicroelectronics products with appropriate traceability documentation to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, high-efficiency solution is required for converting higher input voltages to lower output levels. The integrated MOSFETs simplify design by reducing external component count. Consider the 1MHz frequency trade-off between size and electromagnetic interference. Ensure the thermal management strategy aligns with the expected ambient temperature and load current.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the L6982 family of synchronous buck converters designed for space-constrained applications. It shares core architecture with other models in the series but differs in package type and specific electrical tolerances. The DR suffix indicates a specific tape and reel packaging format suitable for automated assembly processes in high-volume manufacturing environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements may include other L6982 variants with different package options or suffixes. Verify pin compatibility and electrical specifications before substitution. Alternative synchronous buck converters from other manufacturers require careful evaluation of control loop stability and thermal performance.