LM2842XMK-ADJL/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2842XMK-ADJL/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 provides an adjustable output voltage from 765 mV to 34 V. The device delivers a maximum output current of 600 mA at a fixed switching frequency of 550 kHz. It features a low quiescent current of 1.3 mA and supports a shutdown mode for power conservation. The component is housed in a compact SOT-23-THIN-6 surface-mount package, suitable for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck converter topology for efficient step-down voltage regulation
• Wide input voltage capability supporting high-voltage source applications
• Compact thin SOT-23 package design for minimal board space utilization
• Shutdown pin functionality for active power management control

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring isolated or non-isolated power stages
• Automotive electronics operating within standard vehicle electrical architectures
• Point-of-load regulation for embedded processing modules
• Battery-powered equipment utilizing wide-range input sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'ADJL' against the official Texas Instruments datasheet to confirm it denotes the adjustable output variant. Ensure the ordering part number matches the exact package style and temperature rating required for your application environment. Cross-reference the manufacturer's latest documentation to validate RoHS compliance status and any recent lifecycle changes before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-output adjustable regulator is needed with a 600 mA capacity. The 550 kHz switching frequency offers a balance between efficiency and external component size. Consider the thermal performance within the thin SOT-23 package relative to your expected load current and ambient temperature conditions. Verify that the 42 V maximum input rating aligns with your system's peak supply voltage.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2842 family of SIMPLE SWITCHER regulators, designed for high-efficiency power conversion. It shares architectural similarities with other members like the LM2842YQMK but differs in switching frequency specifications. The family targets applications requiring robust performance in automotive and industrial environments while maintaining a small footprint through advanced packaging technologies.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2842YQMK/NOPB: Features a higher 1.25 MHz switching frequency compared to the 550 kHz of the LM2842XMK series.