LM22675MR-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22675MR-5.0/NOPB is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, featuring an integrated 1A power switch and fixed 5V output. It operates with an input voltage range of 4.5V to 42V at a switching frequency of 500kHz. The device utilizes an SO-PowerPAD-8 package for efficient thermal management. Key electrical parameters include a typical quiescent current of 3.4mA in operating mode and 25μA in shutdown. It supports a junction temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 200mΩ N-channel MOSFET power switch for high efficiency
• Includes internal compensation to simplify external component requirements
• Features precision enable pin for accurate power sequencing control
• Provides built-in soft-start functionality to limit inrush current

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems
• Telecommunications and datacom infrastructure
• Embedded computing platforms
• Point-of-load conversion from standard 24V or 12V rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MR' indicates the tape-and-reel packaging format distinct from cut-tape variants. Confirm the 'NOPB' designation ensures compliance with lead-free manufacturing standards. Cross-reference the exact part number against the manufacturer's latest datasheet to ensure availability of the fixed 5.0V output version within the SO-PowerPAD-8 package.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from a wide input voltage range up to 42V. It is suitable for designs needing moderate current capability around 1A without complex external compensation networks. Consider the thermal performance of the PowerPAD package for heat dissipation requirements in enclosed environments.

Voltage Regulators - DC DC Switching Regulators Part Context

This regulator belongs to the SIMPLE SWITCHER family, designed to minimize external component count through internal integration. The LM22675 variant specifically targets applications requiring higher current than the LM22671 but lower than the LM22673 series. It offers a balance between performance and design simplicity for general-purpose DC-DC conversion tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22675MRX-5.0/NOPB (Cut Tape variant)

Voltage Regulators - DC DC Switching Regulators FAQ

Does the LM22675MR-5.0/NOPB require external compensation components?

No, the device features internal compensation, which simplifies the design by reducing the need for external frequency compensation components.

What is the maximum input voltage supported by this regulator?

The regulator supports a maximum input voltage of 42V, allowing it to handle various industrial and automotive input rails.