LM5007MMX

Voltage Regulators - DC DC Switching Regulators Overview

The LM5007MMX/NOPB is a high-voltage step-down switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 9 V to 75 V and provides an adjustable output voltage from 2.5 V to 73 V. The device delivers a maximum output current of 500 mA and features an integrated power MOSFET rated for 80 V. It utilizes a constant on-time control architecture with a switchable frequency range of 50 kHz to 800 kHz. The component supports shutdown functionality and has a quiescent current of 500 uA. It is housed in an 8-VSSOP package and operates within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates an 80-V power MOSFET for high-voltage step-down conversion
• Employs constant on-time control architecture for fast transient response
• Supports wide input voltage range up to 75 V
• Includes programmable switching frequency and shutdown capability

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial power supplies
• Automotive electronics systems
• Distributed power architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) against the manufacturer's datasheet to confirm lead-free compliance and exact pinout configuration. Ensure the ordering part number matches the required package variant, as MM and MMX denote different tape-and-reel specifications within the same functional family. Cross-reference the revision level with the latest official documentation to avoid discrepancies in electrical characteristics or thermal performance data.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring high input voltages up to 75 V with moderate output current capabilities around 500 mA. The constant on-time topology is suitable for applications demanding fast transient response without external compensation networks. Consider the 8-VSSOP package for space-constrained designs while ensuring adequate thermal management for the operating junction temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM5007 belongs to Texas Instruments' high-voltage buck converter series, designed to simplify power supply design in industrial and automotive environments. It replaces discrete solutions by integrating the controller and power switch. The MMX variant specifically refers to the reel-packaged version of the VSSOP-8 device, distinguishing it from cut-tape or tube options available in the same product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5007MM/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What control architecture does the LM5007 use?

It uses a constant on-time control architecture.

Is the LM5007 a synchronous rectifier?

No, it integrates a single high-side N-channel power MOSFET and does not feature synchronous rectification.