LM5008MMX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5008MMX/NOPB is a wide input voltage, constant on-time buck regulator manufactured by Texas Instruments. It operates with an input voltage range of 9.5 V to 95 V and provides an adjustable output voltage from 2.5 V to 75 V. The device supports a maximum output current of 350 mA and features a switch frequency range of 50 kHz to 600 kHz. It includes a shutdown function and draws 485 uA of quiescent current. The component is housed in an 8-pin VSSOP package and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-side N-channel power MOSFET for simplified external component count
• Utilizes constant on-time architecture to ensure fast transient response and inherent cycle-by-cycle peak current limiting
• Features integrated bootstrap diode to reduce external component requirements
• Includes thermal shutdown protection to safeguard the device during overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Automotive infotainment systems
• Distributed power architectures
• Battery-powered equipment step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix MMX against official datasheets to confirm the tape-and-reel packaging configuration. Confirm RoHS compliance status through manufacturer documentation. Check for End-of-Life (EOL) notifications or Not Recommended for New Designs (NRND) status prior to finalizing procurement decisions to ensure long-term supply availability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 95 V is required for buck conversion. Consider the fixed 350 mA output current limit and adjustable output voltage capability. Evaluate the VSSOP-8 package size constraints against available PCB real estate. Ensure the operating temperature range meets the specific environmental requirements of the target application.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5008 family of wide input voltage synchronous buck regulators. It shares architectural similarities with other Texas Instruments DC/DC converters designed for industrial and automotive applications. The family emphasizes simplicity in design implementation through integrated power switches and minimal external component counts.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible parts within the LM5008 series or equivalent Texas Instruments regulators. Verify pin compatibility and electrical specifications before replacing existing designs.