L6982NDR

Voltage Regulators - DC DC Switching Regulators Overview

The L6982 is a monolithic step-down switching regulator designed for high-efficiency power conversion in portable applications. It integrates a 1.5A switch and operates from input voltages up to 36V. The device features a fixed internal frequency of 1MHz, enabling the use of small external components. It includes comprehensive protection mechanisms such as thermal shutdown, current limiting, and undervoltage lockout. The regulator supports output voltages down to 0.8V with precise regulation. Available in a compact DPAK package, it offers an efficient solution for battery-powered systems requiring stable DC voltage rails.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-current power switch for efficient step-down conversion
• Fixed high switching frequency minimizes external component size
• Includes built-in thermal and overcurrent protection for reliable operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics
• Battery-powered handheld devices
• Embedded systems requiring regulated low-voltage supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering code suffix against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure that the procurement channel provides traceable documentation matching the STMicroelectronics part number. Cross-reference the date code and lot information if required for quality assurance protocols. Confirm compatibility with intended PCB layout guidelines provided in the reference design documents.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Choose this component when a compact, high-frequency step-down converter is needed for inputs up to 36V. It is suitable for applications prioritizing efficiency and minimal external footprint. Consider the fixed 1MHz frequency for inductor selection constraints. Evaluate the thermal performance requirements based on the expected load current and ambient conditions within the target enclosure.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to STMicroelectronics' family of synchronous and non-synchronous buck converters. It complements other regulators offering different current ratings or adjustable frequencies. The L6982 specifically targets cost-sensitive designs where space is limited but robust protection features are necessary. It serves as a direct replacement for older generation regulators requiring similar electrical characteristics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution lists for equivalent parts with compatible pinouts and electrical parameters. Verify that alternative components support the same input voltage range and output current capabilities. Ensure thermal dissipation characteristics match the original design constraints before implementing any cross-brand replacements.