LM25017SDX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM25017SDX/NOPB is a synchronous step-down switching regulator from Texas Instruments, housed in an 8-WSON package. It operates with an input voltage range of 4.5V to 42V and delivers up to 600mA of output current. The device features a fixed internal switching frequency of 500kHz and supports adjustable output voltages starting from 1.225V. Integrated protections include overcurrent limiting and thermal shutdown, ensuring reliable operation across a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for enhanced efficiency
• Fixed 500kHz switching frequency minimizes external component size
• Integrated overcurrent protection and thermal shutdown mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supply stages for embedded computing systems
• Battery-powered devices requiring efficient DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SDX' confirms the tape-and-reel packaging format intended for automated surface-mount assembly. Confirm that the 'NOPB' designation indicates lead-free and RoHS compliance status as per manufacturer specifications. Ensure the ordering quantity aligns with standard reel quantities to avoid cut-tape handling requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for moderate current applications within a wide input voltage window. The fixed 500kHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the WSON package thermal performance for high ambient temperature environments where heat dissipation is critical.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM25017 family of synchronous buck regulators designed for space-constrained designs. It shares architectural similarities with other TI synchronous controllers but distinguishes itself through integrated power switches and a fixed frequency operation, simplifying the design process for engineers developing compact power solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-compatible replacements may include other LM25017 variants with different packaging options such as MSOP or SOIC packages. Verify electrical parameters like maximum output current and switching frequency before substituting to ensure circuit stability and thermal management requirements are met.