LM2747MTC

DC DC Switching Controllers Overview

The LM2747MTC is a synchronous buck controller from Texas Instruments designed for step-down voltage conversion. It operates with an input voltage range of 1V to 14V and supports switching frequencies up to 1MHz. The device features a duty cycle capability of up to 86% and includes pre-bias startup functionality. It utilizes voltage mode control and offers optional clock synchronization. The component is housed in a 14-TSSOP package and provides positive output configuration.

DC DC Switching Controllers Feature Summary

• Synchronous rectifier design for high efficiency
• Pre-bias startup capability
• Optional clock synchronization
• Integrated current limit and soft start

DC DC Switching Controllers Applications

• Point-of-load power supplies
• Industrial equipment power distribution
• Telecommunications infrastructure

DC DC Switching Controllers Procurement Notes

Verify the specific suffix (e.g., NOPB) against the manufacturer's official documentation to confirm lead-free status and RoHS compliance. Confirm the package type matches the required PCB footprint. Check the part status, as this model may be obsolete or superseded by newer revisions. Ensure the ordering information aligns with the exact functional requirements.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring efficient step-down conversion within a 1V to 14V input range. Consider the 14-TSSOP package for space-constrained designs. Evaluate the need for clock synchronization if multiple converters are used in parallel. Verify that the 86% maximum duty cycle meets the required voltage conversion ratio for the target application.

DC DC Switching Controllers Part Context

This component belongs to the LM2747 family of synchronous buck controllers. It is designed to provide simple down-conversion solutions with high accuracy. The family typically includes variants with different packaging or environmental ratings. It serves as a core control element in DC-DC converter circuits requiring precise regulation and efficient power management.

DC DC Switching Controllers Replacement Considerations

Check for direct pin-compatible substitutes such as the LM2747MTX/NOPB. Verify if newer generations from Texas Instruments offer improved efficiency or extended temperature ranges. Ensure any replacement maintains the same synchronous buck topology and input voltage specifications.