LMR10520XSD/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LMR10520XSD/NOPB is a synchronous buck switching regulator from Texas Instruments' SIMPLE SWITCHER family. It operates with an input voltage range of 3 V to 5.5 V and provides an adjustable output voltage between 0.6 V and 4.5 V. The device delivers a continuous output current of 2 A. Key electrical parameters include a fixed switching frequency of 1.6 MHz and a typical quiescent current of 3.3 mA. It functions within a junction temperature range of -40°C to +125°C and utilizes a compact 6-WSON package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-side N-channel MOSFET for efficient step-down conversion without requiring external Schottky diodes.
• Features a fixed 1.6 MHz switching frequency to minimize passive component size while maintaining stable regulation.
• Includes internal soft-start circuitry to limit inrush current during startup sequences.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for portable battery-powered devices
• Power supply stages for embedded microprocessors and FPGAs
• Industrial control systems requiring compact DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'XSD' against the manufacturer's latest datasheet to confirm pinout and thermal pad configuration. Ensure compatibility with your PCB footprint, as the 6-WSON package dimensions are critical for assembly. Confirm RoHS compliance status directly with the supplier documentation prior to finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 2 A output current is required within a 3 V to 5.5 V input window. The 1.6 MHz frequency offers a balance between efficiency and component size compared to lower-frequency alternatives. Consider the 6-WSON package constraints if board space is limited, ensuring adequate thermal relief for the exposed pad.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR10520 series of simple switcher regulators. It serves as a successor or alternative to older LM2831 variants, offering improved integration and smaller footprints. The series is designed for applications needing reliable, low-component-count power solutions in consumer and industrial electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2831ZSD/NOPB is listed as a parameter-equivalent replacement option. Verify that the legacy part meets all thermal and electrical requirements before substitution.