LM2731YMFX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2731YMFX/NOPB is a Texas Instruments synchronous boost converter housed in a SOT-23-5 package. It operates with an input voltage range of 2.7 V to 14 V and delivers up to 1.5 A output current. The device supports adjustable switching frequencies of 600 kHz or 1.6 MHz, enabling optimized external component selection for size and efficiency. Output voltage is programmable from 1.23 V to 22 V. It features low quiescent current of 1 mA and includes a shutdown pin for power management. The unit functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for improved conversion efficiency
• Dual selectable switching frequency options to balance component size and performance
• Integrated shutdown control for system power optimization
• Compact surface-mount packaging suitable for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring step-up regulation
• Industrial systems utilizing single-cell lithium-ion or alkaline batteries
• Automotive electronics operating on 12V nominal supply rails
• Handheld instruments needing efficient voltage boosting from low sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' confirms lead-free and RoHS compliance status as per the manufacturer's latest documentation. Confirm the 'X' variant designation aligns with the required tape-and-reel quantity specifications for your production line. Ensure the SOT-23-5 footprint matches your PCB layout guidelines. Cross-reference the datasheet revision date to confirm thermal and electrical characteristics have not been updated since your design inception.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Choose this component when a compact boost solution is needed with input voltages up to 14 V. The 1.5 A current limit suits moderate load applications. Select between 600 kHz and 1.6 MHz based on available inductor sizes and EMI constraints. Consider the 1 mA quiescent current impact on standby battery life. Verify that the maximum output voltage requirement does not exceed 22 V.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2731 family of synchronous boost converters from Texas Instruments. It shares architectural similarities with the LM2731YMF/NOPB but differs in packaging and reel configuration. The series is designed for general-purpose voltage boosting in portable and industrial applications. It complements other PMIC offerings by providing a simple, high-efficiency step-up topology in a minimal footprint.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2731YMF/NOPB serves as a direct functional alternative with identical electrical specifications but may differ in reel packaging quantities.