LM62440BPPQRJRRQ1

$3.38

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

SKU:8d06a3ac11b0 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM62440BPPQRJRRQ1 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 ADJ 4A 14VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM62440BPPQRJRRQ1

Description：IC REG BUCK ADJ 4A 14VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1V
Voltage - Output (Max)：34.2V
Current - Output：4A
Frequency - Switching：200kHz ~ 2.2MHz
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 LM62440BPPQRJRRQ1

LM62440BPPQRJRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM62440BPPQRJRRQ1 is an automotive-grade synchronous step-down DC-DC converter from Texas Instruments. It operates with an input voltage range of 3 V to 36 V and delivers a maximum output current of 4 A. The device features a fixed 3.3 V output and integrates a high-frequency switching controller operating at 2.1 MHz. Key electrical specifications include a quiescent current of 600 nA and an extended junction temperature range from -40°C to +150°C. Packaged in a VQFN-HR-14 footprint, it supports surface-mount installation for compact power designs.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous buck topology for efficient power conversion
Automotive qualification ensuring reliability in harsh environments
Low-noise operation suitable for sensitive electronic loads

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment systems
Advanced driver assistance systems (ADAS)
Telematics control units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'JRRQ1' against the manufacturer's official datasheet to confirm package type, tape-and-reel quantity, and automotive grade compliance. Ensure that the fixed 3.3 V output variant matches the system requirements, as other variants in the series may offer adjustable outputs. Cross-reference the VQFN-HR-14 thermal pad specifications for proper PCB thermal management design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V rail is required for automotive applications with input voltages up to 36 V. The 4 A current capability suits moderate load demands, while the 2.1 MHz frequency allows for smaller passive components. Consider the 600 nA quiescent current for standby efficiency needs and ensure the operating temperature range covers the intended environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMQ62440 family of low-noise synchronous step-down converters designed specifically for automotive electronics. The family emphasizes electromagnetic interference reduction and robust performance under varying load conditions. The LM62440BPPQRJRRQ1 represents the fixed-output configuration within this lineup, offering a streamlined solution for standard voltage rails without external programming resistors.