LM2842XQMK/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2842XQMK/NOPB is a SIMPLE SWITCHER® step-down DC/DC regulator manufactured by Texas Instruments. It operates with an input voltage range of 4.5 V to 42 V and delivers up to 600 mA output current. The adjustable output voltage spans from 765 mV to 34 V. Integrated features include a 550 kHz switching frequency, shutdown capability, and AEC-Q100 automotive qualification. The device utilizes a SOT-23-THIN-6 package and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for robust performance in vehicle environments.
• Integrated high-side N-channel MOSFET enables compact design without external power switches.
• Shutdown pin allows for precise power management and extended battery life in portable applications.

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered automotive electronic systems
• Aftermarket automotive infotainment units
• Industrial control modules requiring wide input voltage tolerance

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'XQ' confirms automotive grade (AEC-Q100) qualification. Ensure the 'MK' package code matches the required SOT-23-THIN-6 footprint. Confirm 'NOPB' indicates lead-free and RoHS compliance. Cross-reference the specific revision level against the latest datasheet to ensure functional compatibility.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 42 V is required in a minimal footprint. It is suitable for designs needing adjustable outputs above 1 V with moderate current demands. Consider thermal dissipation requirements due to the small package size. Verify that the 550 kHz frequency aligns with EMI constraints and inductor selection.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2842 family of SIMPLE SWITCHER regulators. It shares the same topology and core architecture as the LM2841 but offers higher output current capability. The XQ prefix specifically denotes automotive qualification, distinguishing it from standard commercial variants like the LM2842MK.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

• LM2842XQMKX/NOPB
• LM2842XQMK-NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

Is the LM2842XQMK/NOPB qualified for automotive applications?

Yes, the 'XQ' suffix indicates that the device is AEC-Q100 qualified for automotive use.

What is the minimum adjustable output voltage?

The minimum adjustable output voltage is 765 mV.