L6926D1013TR

Voltage Regulators - DC DC Switching Regulators Overview

The L6926D1013TR is a high-efficiency monolithic synchronous step-down DC-DC regulator from STMicroelectronics. It operates with an input voltage range of 2 V to 5.5 V and provides an adjustable output voltage from 0.6 V to 5.5 V. The device delivers a maximum output current of 800 mA at a fixed switching frequency of 600 kHz, which can be externally synchronized between 500 kHz and 1.4 MHz. It features current-mode control, internal synchronous switches eliminating the need for external Schottky diodes, and selectable low consumption mode for light loads. The component supports low-dropout operation up to 100% duty cycle and includes protections such as overvoltage, short-circuit, and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Internal synchronous rectification architecture eliminates the requirement for external Schottky diodes.
• Externally synchronizable clock input allows frequency adjustment from 500 kHz to 1.4 MHz for noise-sensitive applications.
• Selectable low consumption mode reduces switching losses during light load conditions.
• Integrated protection mechanisms include power good signal, overvoltage protection, short-circuit protection, and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Applications

• Single Li-Ion cell supplied portable electronic devices
• Battery-powered consumer electronics requiring high efficiency
• Noise-sensitive systems utilizing external synchronization

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix '1013' against official STMicroelectronics documentation to confirm package type and tape/reel specifications. Ensure compatibility with design requirements regarding the 8-VFSON-EP(3x4.9) package dimensions. Confirm availability status as distribution listings may indicate discontinued or obsolete status for this specific variant. Cross-reference electrical parameters with the latest datasheet to ensure alignment with system constraints.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits powered by single-cell lithium-ion batteries requiring efficient step-down conversion. It is suitable for applications needing precise output voltage regulation with ±1% accuracy. Consider the external synchronization feature if electromagnetic interference management is critical. Evaluate the 800 mA current limit against peak load demands to ensure adequate headroom for stable operation under varying temperature conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

The L6926 series comprises high-efficiency synchronous buck regulators designed for battery-operated applications. The L6926D1013TR variant specifically utilizes an 8-pin VFSON package. This family integrates current-mode control and low quiescent current characteristics to maximize operational efficiency across various load conditions while maintaining a compact footprint for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify functional equivalence with other STMicroelectronics synchronous buck regulators if direct substitution is required.