LMQ66430MA5RXBRQ1

$3.31

Description：IC REG BUCK ADJ/1V 3A 14VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:d0db362b0c74 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMQ66430MA5RXBRQ1 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/1V 3A 14VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMQ66430MA5RXBRQ1

Description：IC REG BUCK ADJ/1V 3A 14VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable (Fixed)
Number of Outputs：1
Voltage - Input (Min)：-
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1V
Voltage - Output (Max)：5V
Current - Output：3A
Frequency - Switching：2.2MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：14-PowerTFQFN
Supplier Device Package：14-VQFN (2.6x2.6)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMQ66430MA5RXBRQ1

LMQ66430MA5RXBRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMQ66430MA5RXBRQ1 is an automotive synchronous step-down converter from Texas Instruments, designed for high-efficiency power management in demanding environments. It features a wide input voltage range of 3 V to 36 V and delivers up to 3 A of output current. The device operates with a default switching frequency of 2.2 MHz and incorporates spread spectrum technology to minimize electromagnetic interference. It utilizes a compact 2.6 mm × 2.6 mm HotRod QFN package and supports both PFM and FPWM modes for optimized light-load efficiency.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated spread spectrum modulation for reduced EMI emissions
Configurable operation between PFM and FPWM modes
Automotive-grade reliability with extended temperature range

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment systems
Telematics control units
Body electronics power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix MA5 against official datasheets to confirm fixed output voltage configuration. Ensure compatibility with automotive qualification standards required by your application. Cross-reference the package marking code to distinguish from similar variants within the LMQ66430 family before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed output voltage simplifies the design compared to adjustable regulators. The integrated spread spectrum feature reduces filtering requirements in noise-sensitive automotive applications. Evaluate thermal performance based on the 3 A load capability and the specified ambient operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMQ664xx-Q1 series of automotive buck converters. It shares architectural similarities with the LMR66430 but includes automotive-specific qualifications. The MA5 suffix indicates a fixed 5 V output variant, distinguishing it from other fixed voltage options like the MA3 (3.3 V) or adjustable versions.