LMR10510XMFX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LMR10510XMFX/NOPB is a Simple Switcher DC-DC buck converter from Texas Instruments. It operates with an input voltage range of 3 V to 5.5 V and delivers up to 1 A output current. The device features a fixed switching frequency of 1.6 MHz and supports adjustable output voltages from 600 mV to 4.5 V. It utilizes a SOT-23-5 package and functions within a temperature range of -40°C to +125°C, with a quiescent current of 3.3 mA.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency in a compact footprint
• Fixed 1.6 MHz switching frequency enables the use of small external components
• Internal soft-start limits inrush current during startup
• Comprehensive protection including thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Point-of-load regulation for digital signal processors
• Embedded systems requiring efficient step-down conversion
• Industrial control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'XMF' against the manufacturer's official datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the component is sourced from authorized distributors to guarantee authenticity and traceability. Check for RoHS compliance status as indicated in the product documentation before final procurement approval.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-output buck converter is needed with a maximum load of 1 A and an input supply between 3 V and 5.5 V. The 1.6 MHz frequency is suitable for designs prioritizing smaller inductor size over ultra-low noise. Compare against the LMR10510YMFX variant if a higher 3 MHz switching frequency is required for further miniaturization.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR10510 family of Simple Switcher regulators, designed for space-constrained applications. It complements other variants like the LMR10510YMF (3 MHz) and the LMR10515 series (1.5 A). The device is part of Texas Instruments' broader portfolio of PMICs aimed at simplifying power management in portable and industrial electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LMR10510YMFX/NOPB serves as a direct functional substitute with a different switching frequency. Verify that the increased frequency of the YMFX variant does not impact electromagnetic interference constraints in the target application.