LM5008SD

Voltage Regulators - DC DC Switching Regulators Overview

The LM5008SD is a high-voltage step-down switching regulator from Texas Instruments, designed for wide input voltage applications. It operates with an input range of 9.5 V to 95 V and provides an adjustable output voltage between 2.5 V and 75 V. The device delivers a maximum output current of 350 mA and supports switching frequencies from 50 kHz to 600 kHz. Packaged in an 8-pin WSON (WSON-8) surface-mount case, it functions as a buck converter with a constant on-time control architecture. The component is rated for operation within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports wide input voltage ranges up to 95 V for robust performance in industrial environments
• Utilizes constant on-time topology for simplified external component selection and stable operation
• Features adjustable output voltage capability to accommodate diverse load requirements
• Integrated shutdown pin enables low-power standby modes when the system is inactive

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial automation power supplies
• Automotive electronics systems
• Distributed power architectures
• Point-of-load regulation modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation, such as NOPB or SDX, against the manufacturer's official datasheet to confirm exact electrical characteristics and packaging type. Ensure the procurement source provides valid RoHS compliance documentation. Cross-reference the part number with the latest Texas Instruments product status to confirm availability and manufacturing lifecycle stage before finalizing orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring high input voltage tolerance without external level shifting. The fixed on-time control simplifies compensation network design compared to frequency-fixed converters. Consider the thermal performance of the WSON-8 package relative to the expected load current and ambient temperature conditions to ensure reliable long-term operation within the specified junction temperature limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM5008 family of high-voltage buck regulators manufactured by Texas Instruments. It shares architectural similarities with other members like the LM5008MM/NOPB but differs in package configuration. The series is engineered for applications demanding efficient power conversion from high-voltage rails, offering a compact solution for space-constrained electronic designs requiring regulated DC outputs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided reference data. Verify compatibility with existing circuit layouts if considering alternative high-voltage buck regulators from other manufacturers.