LM2611BMF/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2611BMF/NOPB is a synchronous Cuk converter IC from Texas Instruments, designed for high-efficiency power conversion in compact spaces. 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 integrates internal switches and supports a fixed switching frequency of 1.4 MHz. It provides adjustable negative output voltages ranging from -36 V to -1.23 V. Packaged in a small SOT-23-5 footprint measuring 2.90 x 1.60 mm, it ensures reliable performance across an operating temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for improved efficiency without external Schottky diodes
• Supports Cuk topology for simultaneous step-up and step-down capabilities
• Includes shutdown pin for low-power standby operation

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 modules needing isolated or inverted power rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'NOPB' confirms lead-free and RoHS compliance as per manufacturer specifications. Ensure the 'M' grade designation matches your required thermal and electrical performance standards. Confirm the SOT-23-5 package type aligns with your PCB layout constraints. Cross-reference the full part number against official Texas Instruments databases to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require both buck and boost functionality from a single stage. It is suitable for applications where space is limited due to its small SOT-23-5 package. Consider the 1.4 MHz switching frequency for balancing component size and electromagnetic interference. Ensure the load requirements do not exceed the 1.2 A continuous current limit.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2611 family of DC/DC switching regulators. It shares architectural similarities with other TI power management ICs but is distinct in its Cuk topology implementation. The family focuses on providing efficient power solutions for portable and industrial applications. Related parts may include non-synchronous variants or different package options within the same functional series.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2611AMFX/NOPB is a documented equivalent alternative within the same product family. Verify compatibility regarding thermal performance and package dimensions before substitution. Ensure that any replacement maintains the required 1.4 MHz switching frequency and 1.2 A current capability.