LM2731YMF

Voltage Regulators - DC DC Switching Regulators Overview

The LM2731YMF is a high-efficiency boost converter from Texas Instruments, designed for space-constrained applications. It integrates a 22V internal FET switch and supports switching frequencies of 0.6 MHz or 1.6 MHz to optimize inductor size. The device operates with an input voltage range of 2.7 V to 14 V, delivering up to 1.5 A output current. It features adjustable output voltages from 1.23 V to 22 V. The component utilizes SOT-23-5 packaging and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 22V rated internal power FET switch for compact design
• Supports selectable switching frequencies of 0.6 MHz and 1.6 MHz
• Includes shutdown functionality to minimize quiescent current consumption
• Operates efficiently across a wide input voltage range

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring small form factors
• Battery-powered systems needing step-up voltage regulation
• Embedded industrial control modules
• Automotive infotainment and sensor interfaces

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) against the manufacturer's datasheet to confirm RoHS compliance and lead-free status. Ensure the ordering part number matches the required switching frequency configuration and package variant. Cross-reference the revision history in the official documentation to validate component specifications prior to integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when space efficiency is critical due to its SOT-23-5 footprint. Choose based on the required output current capacity and input voltage stability. Consider the 0.6 MHz option for lower electromagnetic interference or the 1.6 MHz option for smaller passive components. Validate thermal performance at maximum load conditions within the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2731 family of DC-DC converters, which are optimized for high-frequency operation. It serves as a solution for applications requiring reliable voltage boosting from single-cell battery sources. The series is characterized by its integration of power switches and control logic in a minimal package, supporting various portable and industrial use cases.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2731YMF/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum voltage rating for the internal switch?

The internal FET switch is rated for a maximum voltage of 22 V.

Does the LM2731YMF support adjustable output voltage?

Yes, the output voltage is adjustable from 1.23 V to 22 V using external feedback resistors.