L6925D

Voltage Regulators - DC DC Switching Regulators Overview

The L6925D is a high-efficiency monolithic synchronous step-down DC-DC regulator from STMicroelectronics. It provides an adjustable output voltage ranging from 0.6V to 5.5V with a maximum continuous output current of 800mA. The device operates with a fixed switching frequency of 600kHz and features an input voltage range starting at 2.7V. Integrated under-voltage lockout (UVLO) ensures reliable startup. Packaged in compact 8-pin TSSOP or MSOP formats, it is designed for applications requiring efficient power conversion in space-constrained environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Monolithic synchronous rectification architecture for enhanced efficiency
• Adjustable output voltage capability within specified limits
• Integrated UVLO function for stable operation during low input conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices
• Embedded systems requiring efficient buck regulation
• Industrial control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific package variant (TSSOP or MSOP) against your PCB footprint requirements. Confirm that the 800mA output current rating aligns with your load demands. Ensure input voltage sources remain above the 2.7V minimum threshold to activate UVLO properly. Cross-reference the datasheet revision date to ensure compatibility with your design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution for step-down conversion is required. The 600kHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the thermal performance of the 8-pin package if operating near the maximum current limit. Verify that the adjustable output range meets the specific voltage rails needed by the target circuitry.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to STMicroelectronics' family of synchronous buck regulators. It is engineered to replace traditional diode-based rectifiers with active synchronous switches, reducing conduction losses. The design focuses on minimizing board space while maintaining high efficiency across varying load conditions, making it suitable for modern portable electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible substitutes within the same manufacturer's portfolio that offer similar current ratings. Verify if alternative packages provide better thermal dissipation for higher ambient temperatures. Ensure any replacement maintains the 600kHz switching frequency to avoid redesigning the external filter components.