LM5008SDC/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5008SDC/NOPB is a high-voltage step-down switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 9.5 V to 95 V and delivers a maximum output current of 350 mA. The adjustable output voltage spans from 2.5 V to 75 V. This device utilizes a fixed constant on-time control architecture with a switch frequency range of 50 kHz to 600 kHz. It is housed in an 8-pin WSON package and supports an operating temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports wide input voltage ranges up to 95 V for high-side applications
• Utilizes constant on-time topology for fast transient response
• Integrates internal high-voltage MOSFETs to minimize external component count
• Includes programmable soft-start and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial motor drives and controllers
• Automotive lighting systems
• High-voltage sensor power supplies
• Point-of-load regulation in industrial equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the manufacturer datasheet to confirm pinout and thermal pad configuration. Ensure the ordering part number matches the required package variant, as suffixes may indicate different reel quantities or tape-and-reel specifications. Confirm RoHS compliance status directly with the supplier documentation prior to procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring high input voltages exceeding standard regulator limits. The constant on-time architecture is suitable for applications demanding rapid load transient recovery. Evaluate the thermal performance within the WSON package relative to the expected power dissipation at the target duty cycle and ambient temperature conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM5008 family of high-voltage buck regulators designed for robust operation in electric vehicle and industrial environments. The series provides integrated protection features including overvoltage, undervoltage, and thermal shutdown. It serves as a compact solution for stepping down high bus voltages to lower levels required by downstream logic or sensors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for equivalent high-voltage buck regulators. Verify that alternative components match the 95 V input rating, 350 mA output capability, and WSON-8 footprint. Ensure control loop stability and thermal characteristics are comparable before implementing any cross-reference.