LM5008MM

Voltage Regulators - DC DC Switching Regulators Overview

The LM5008MM/NOPB is a high-voltage synchronous buck regulator from Texas Instruments, housed in an 8-pin VSSOP package. It operates with an input voltage range of 9.5 V to 95 V and delivers up to 350 mA of output current. The adjustable output voltage spans from 2.5 V to 75 V. The device supports switching frequencies between 50 kHz and 600 kHz and features a quiescent current of 485 uA. It functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side N-channel MOSFET for efficient step-down conversion
• Constant on-time control architecture for fast transient response
• Internal bootstrap diode simplifies external component count
• Programmable soft-start and frequency synchronization capabilities

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) for lead-free compliance and packaging details. Confirm the lifecycle status, as some variants may be marked as Not Recommended for New Designs. Ensure the VSSOP-8 package matches your PCB footprint requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring wide input voltage ranges and moderate output currents. The constant on-time topology offers simplicity in design but requires careful consideration of output capacitance for stability. Evaluate thermal performance in the VSSOP package against expected load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5008 family of high-voltage buck regulators. It shares core electrical specifications with variants like the LM5008SDC/NOPB, differing primarily in the physical package type. The MM suffix specifically denotes the VSSOP-8 housing, distinguishing it from WSON or MSOP alternatives within the same functional series.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5008SDC/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage for the LM5008MM?

The maximum continuous input voltage is 95 V.

Does the LM5008MM include internal protection features?

Yes, it includes cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout.