LM2611AMFX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2611AMFX/NOPB is a synchronous Cuk converter switch regulator manufactured by Texas Instruments. It operates with an input voltage range of 2.7 V to 14 V and delivers up to 1.2 A output current. The device supports buck, inverting, and boost topologies within a single package. It features a fixed switching frequency of 1.4 MHz and provides an adjustable negative output voltage ranging from -36 V to -1.23 V. The component functions reliably across an extended temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for improved efficiency in compact designs
• Supports multiple conversion modes including step-down, inverting, and step-up configurations
• Features integrated soft-start capability to limit inrush current during startup

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring flexible voltage regulation
• Automotive electronics systems operating within wide input voltage ranges
• Industrial control applications utilizing negative rail generation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix matches the required tape-and-reel packaging configuration. Confirm that the device variant aligns with RoHS compliance requirements for your target market. Ensure the thermal performance meets system constraints given the SOT-23-5 package limitations. Cross-reference the manufacturer part number against authorized distributor lists to guarantee authenticity and traceability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when design requirements necessitate a single IC solution for both positive and negative voltage rails. The high switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Evaluate the maximum output current capability against peak load demands to ensure adequate thermal headroom within the small footprint.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2611 family of power management integrated circuits designed for space-constrained applications. It serves as a versatile DC-DC controller capable of handling various topology requirements without requiring multiple discrete controllers. The NOPB suffix indicates lead-free and halogen-free construction compliant with environmental standards.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2611AMF is a previous version of this component; verify if the older non-NOPB variant is acceptable for legacy designs.