LM3311SQX

Voltage Regulators - DC DC Switching Regulators Overview

The LM3311SQX is a synchronous boost DC-DC converter manufactured by Texas Instruments. It integrates a high-side N-channel MOSFET and supports an input voltage range of 2.7V to 5.5V with adjustable output voltages up to 24V. The device delivers a continuous output current of 2A and features a switching frequency of 2.2MHz. It operates within a temperature range of -40°C to +85°C and is housed in a 24-pin WQFN package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-side N-channel power switch for compact design
• Supports wide input voltage range from 2.7V to 5.5V
• Enables flexible output voltage adjustment up to 24V
• Features integrated compensation for stable operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring step-up conversion
• Industrial control systems with varying input supplies
• Communication equipment needing regulated higher voltage rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) against the datasheet to ensure environmental compliance and pinout compatibility. Confirm the package type matches the PCB footprint requirements. Check for obsolescence notices as component availability may vary. Ensure the operating temperature range meets the application's thermal constraints.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a synchronous boost topology is required for high efficiency. Consider the 2.2MHz switching frequency for smaller passive components. Evaluate the 2A current capability against peak load demands. Verify that the input voltage range aligns with the source supply characteristics.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3311 family of synchronous boost converters. It is designed for applications requiring efficient voltage step-up from low input sources. The family offers integrated power switches to reduce external component count. It serves as a solution for portable and industrial electronics needing reliable DC-DC conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-to-pin replacements within the same manufacturer's portfolio. Verify electrical parameters such as current rating and switching frequency. Ensure package dimensions are compatible with existing layouts.