LM5008SDCX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5008SDCX/NOPB is a high-voltage step-down switching regulator from Texas Instruments, designed for robust power management in demanding environments. It features a wide input voltage range of 9.5 V to 95 V and delivers an adjustable output voltage between 2.5 V and 75 V. The device supports a maximum output current of 350 mA with a quiescent current of 485 uA. Operating frequencies are selectable from 50 kHz to 600 kHz. It utilizes a constant on-time control architecture and is housed in an 8-pin WSON package, rated for operation from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Constant on-time control architecture for simplified external component selection and fast transient response
• Wide input voltage capability up to 95 V suitable for industrial and automotive applications
• Integrated high-side N-channel switch eliminates need for bootstrap capacitor regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial motor drives and PLC power supplies
• Automotive infotainment and lighting systems
• Point-of-load conversion for high-voltage buses

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SDCX' indicates the tape-and-reel packaging variant distinct from cut-tape or tray options. Confirm RoHS compliance status through official manufacturer documentation as required by project specifications. Ensure the ordering part number matches the exact thermal pad and pin configuration defined in the datasheet to prevent assembly errors during PCB fabrication.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range exceeding standard 40 V regulators is required. The constant on-time topology simplifies design by reducing the dependency on output capacitance for stability. Consider the 350 mA current limit and thermal dissipation capabilities within the WSON-8 package against the expected load profile and ambient temperature conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5008 family of high-voltage buck converters. It shares core electrical characteristics with variants like LM5008SDC/NOPB but differs in packaging format. The SDXC suffix specifically denotes the reel-based supply method, distinguishing it from other distribution formats within the same functional series.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LM5008SDC/NOPB for identical functionality in different packaging. LM5008MM/NOPB offers similar performance in a VSSOP package. Verify pinout compatibility and thermal requirements before swapping between these family members.