LM62440BLPQRJRRQ1

$3.38

Description：IC REG BUCK 3.3V 4A 14VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:7aa20fa2bda5 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM62440BLPQRJRRQ1 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 3.3V 4A 14VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM62440BLPQRJRRQ1

Description：IC REG BUCK 3.3V 4A 14VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Current - Output：4A
Frequency - Switching：400kHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：14-PowerVFQFN
Supplier Device Package：14-VQFN-HR (4x3.5)
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM62440BLPQRJRRQ1

LM62440BLPQRJRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM62440BLPQRJRRQ1 is an automotive-grade, high-performance DC-DC synchronous step-down converter from Texas Instruments. It operates with an input voltage range of 3 V to 36 V and delivers a continuous output current of 4 A. The device features a fixed switching frequency of 2.1 MHz and supports adjustable output voltages from 1 V to 34.2 V. It utilizes a VQFN-HR-14 package and is qualified under AEC-Q100 standards for automotive applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated low-noise synchronous buck topology designed for automotive environments
Fixed high-frequency switching operation to minimize external component size
Automotive qualification ensuring reliability in harsh operating conditions

Voltage Regulators - DC DC Switching Regulators Applications

Infotainment system power distribution
Instrument cluster power regulation
ADAS sensor module supply

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package, temperature grade, and tape-and-reel specifications. Confirm AEC-Q100 qualification status matches project requirements before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-channel, high-current automotive solution is required. The fixed 2.1 MHz frequency suits designs prioritizing compact passive components. Ensure input voltage stays within the 3 V to 36 V range and thermal management supports the VQFN-HR-14 package constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM62440-Q1 family of automotive synchronous step-down converters. It shares core architecture with other variants in the series but differs in specific suffix designations that may indicate packaging or testing variations. It serves as a dedicated power management IC for vehicle electronics requiring robust performance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other LM62440-Q1 variants with compatible pinouts and electrical characteristics. Verify package compatibility and specific suffix requirements before substitution.

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