LM2840XMKX-ADJL/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2840XMKX-ADJL/NOPB is a step-down DC/DC regulator from Texas Instruments, operating with an input voltage range of 4.5 V to 42 V. It delivers up to 600 mA output current in a thin SOT-23-6 package. The adjustable output voltage spans from 765 mV to 34 V. Internal switching frequency is fixed at 550 kHz. Quiescent current is typically 1.3 mA. Operating temperature ranges from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck topology for efficient voltage conversion
• Adjustable output voltage capability via external resistors
• Compact thin SOT-23-6 surface-mount packaging
• Built-in thermal protection and shutdown control

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Industrial control systems
• Automotive electronics
• Communication infrastructure

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number against official Texas Instruments documentation to ensure compatibility with design requirements. Confirm that the ADJL suffix correctly denotes the adjustable output variant. Check RoHS compliance status and lead times through authorized distributors. Ensure storage conditions meet manufacturer specifications to maintain component integrity prior to assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 42 V is required alongside moderate output currents. The adjustable feature allows flexibility in setting specific output levels. Consider the thin SOT-23 package for space-constrained designs. Evaluate thermal performance under maximum load conditions to ensure reliable operation within the specified temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM284x family of SIMPLE SWITCHER regulators. It shares architectural similarities with other members like the LM2841 and LM2842, differing primarily in output current capabilities. The family targets applications needing compact size and high efficiency. The LM2840 specifically offers 600 mA capacity, bridging gaps between lower and higher current variants.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2840XMK-ADJL/NOPB serves as a direct pin-compatible alternative without the reel packaging suffix. LM2842XMKX-ADJL/NOPB provides similar functionality but with potentially different thermal characteristics. Verify electrical parameters and package dimensions before substitution.