LM2841YQMK/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2841YQMK/NOPB is a SIMPLE SWITCHER step-down DC/DC regulator from Texas Instruments, designed for automotive applications under the AEC-Q100 standard. It operates with an input voltage range of 4.5 V to 42 V and provides a maximum output current of 300 mA. The device features an adjustable output voltage ranging from 0.765 V to 34 V. It utilizes a fixed switching frequency of 1.25 MHz and is housed in a thin SOT-23-6 surface-mount package. The component supports an operating junction temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified to AEC-Q100 standards
• Integrated power switch within a compact thin SOT-23 package
• Fixed high-frequency operation to minimize external component size
• Adjustable output voltage capability via external resistor network

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Body control modules
• Sensor power supplies
• Telematics units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'YQMK' confirms the Q1 automotive grade and thin SOT-23-6 packaging configuration. Ensure the 'NOPB' designation indicates lead-free and RoHS compliance. Confirm the datasheet revision matches the required design specifications before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring robust voltage regulation from high-voltage bus lines. The 42V input tolerance accommodates load dump conditions typical in vehicle electrical systems. The 300mA output current suits low-power logic or sensor interfaces where space constraints favor the thin SOT-23 footprint over larger packages.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM284x-Q1 family, which includes variants with different current ratings such as the LM2840 (100 mA) and LM2842 (600 mA). All members share the same core architecture and pinout compatibility, allowing for design flexibility while maintaining consistent form factors across different power requirements in automotive electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct functional substitutes within the same family include LM2840YQMK/NOPB for lower current needs and LM2842YQMK/NOPB for higher current demands. Cross-family replacements require verification of input voltage ranges and thermal performance characteristics.