LM22680MR-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22680MR-ADJ/NOPB is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, housed in an 8-SO-PowerPad package. It delivers a maximum output current of 2A with an adjustable output voltage range spanning from 1.285V to 37V. The device operates with an input voltage between 4.5V and 42V at a fixed switching frequency of 500kHz. It features a typical quiescent current of 3.4mA and supports junction temperatures from -40°C to +125°C. This component holds AEC-Q100 qualification for automotive applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side and low-side power switches enable efficient synchronous buck conversion without external rectifiers.
• Fixed 500kHz switching frequency allows for the use of compact passive components while maintaining stable regulation.
• Built-in thermal shutdown and cycle-by-cycle current limiting protect the device under fault conditions.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems requiring robust power regulation
• Industrial control boards utilizing 12V or 24V bus architectures
• Distributed power supply points in embedded computing platforms

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix codes against the manufacturer's official datasheet to confirm pinout compatibility and electrical tolerances. Ensure that the ordering information matches the exact package variant required for your PCB footprint. Cross-reference the revision history to validate any recent manufacturing changes or material updates before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 2A continuous load capability is required within a 42V input window. The adjustable output feature provides flexibility for various logic levels. Consider the 8-SO-PowerPad thermal performance for your enclosure design. Verify that the 500kHz frequency aligns with your electromagnetic interference constraints and inductor selection guidelines.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22680 series of SIMPLE SWITCHER regulators, designed for high-efficiency DC-DC conversion. It shares architectural similarities with the LM267x family but offers optimized performance for lower current applications. The series emphasizes ease of design implementation through integrated protection features and minimal external component requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM22680MRE-ADJ/NOPB serves as a direct functional substitute, differing primarily in the PowerSOIC package variant compared to the SO-PowerPad. Both devices share identical electrical specifications and pin configurations for equivalent circuit integration.