L6986

Voltage Regulators - DC DC Switching Regulators Overview

The L6986 is a monolithic synchronous step-down DC-DC converter designed for high-efficiency power management in portable applications. It integrates two N-channel power switches and operates from an input voltage range of 2.7V to 5.5V. The device delivers up to 1.5A output current with adjustable output voltages between 0.8V and 3.6V. Key electrical parameters include a switching frequency of 1MHz, typical efficiency exceeding 90%, and low quiescent current of 1.2mA. It features cycle-by-cycle current limiting and thermal shutdown protection.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for enhanced efficiency
• Fixed 1MHz switching frequency enabling compact passive components
• Built-in protection mechanisms including over-current and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Portable media players
• Personal digital assistants
• Wireless communication devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific package variant and temperature grade against the official datasheet before procurement. Ensure compatibility with the target PCB footprint and soldering profile. Confirm that the selected component meets all environmental and reliability standards required for the final assembly process.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when space-constrained designs require high efficiency at moderate currents. The fixed frequency operation simplifies filter design compared to variable frequency alternatives. Consider the input voltage range and maximum load requirements to ensure the device operates within its safe operating area under all expected conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to STMicroelectronics' family of synchronous buck converters. It complements other models offering different current ratings or input ranges. The L6986 specifically targets applications needing a balance between size, efficiency, and cost in single-cell battery powered systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements must match the 1.5A current rating and 2.7V-5.5V input range. Verify pinout compatibility if substituting with similar packages. Check if alternative parts offer improved thermal performance or lower Rds(on) for better efficiency.