LMR10515XSD/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LMR10515XSD/NOPB is a SIMPLE SWITCHER step-down voltage regulator manufactured by Texas Instruments. It operates with an input voltage range of 3 V to 5.5 V and delivers up to 1.5 A of output current. The device supports adjustable output voltages from 600 mV to 4.5 V. Key electrical parameters include a quiescent current of 3.3 mA, a fixed switching frequency of 1.6 MHz, and a shutdown feature for power management. It functions within a temperature range of -40°C to +125°C and utilizes a WSON-6 surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 1.5 A power switch for compact buck converter designs
• Features a fixed 1.6 MHz switching frequency to minimize external component size
• Includes internal soft-start circuitry to limit inrush current during startup
• Provides comprehensive protection against overcurrent, thermal overload, and undervoltage lockout

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronics requiring efficient step-down regulation
• Embedded systems and microcontroller power supplies
• Industrial control modules operating within wide temperature ranges
• Consumer devices utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'XSD' corresponds to the WSON-6 package variant when sourcing. Confirm RoHS compliance status via the manufacturer's official documentation. Ensure the ordering part number matches the exact tape and reel specifications required for automated assembly processes. Cross-reference the datasheet revision history for any updates to electrical characteristics or recommended application circuits.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a balance between high current capability and minimal footprint. The fixed frequency operation simplifies filter design compared to variable frequency regulators. Consider the thermal performance of the WSON-6 package relative to the expected load current and ambient conditions. Evaluate the need for external compensation components based on the desired transient response and stability requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMR10515 series of SIMPLE SWITCHER regulators, designed for space-constrained applications. It shares core architecture with other variants in the family but differs in packaging options such as SOT-23-5. The series emphasizes ease of use with minimal external passive components while maintaining efficiency suitable for portable and industrial environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR10515XMFX/NOPB offers identical electrical performance in a SOT-23-5 package.