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Home Products Integrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching Regulators~~LMS3655MQRNLRQ1~~

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LMS3655MQRNLRQ1 - Texas Instruments

Name: Texas Instruments LMS3655MQRNLRQ1
Brand: Texas Instruments
SKU: LMS3655MQRNLRQ1
Availability: InStock
Rating: 5 (5 reviews)

Manufacturer Part Number: LMS3655MQRNLRQ1

Manufacturer: Texas Instruments

Allelco Part Number: 32D-LMS3655MQRNLRQ1

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: IC REG BUCK ADJ 5.5A 22VQFN

Package: 22-VQFN-HR (5x4)

Data sheet: 1.LMS3655MQRNLRQ1.pdf ...

PCN Packaging
Label Correction 20/Dec/2021.pdf

HTML Datasheet
LMS3655-Q1, 3635-Q1 Datasheet.pdf

PCN Assembly/Origin
Mult Dev Test Site Add 3/Dec/2018.pdf

RoHs Status: ROHS3 Compliant

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In stock: 8586

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Specifications

LMS3655MQRNLRQ1 Tech Specifications
Texas Instruments - LMS3655MQRNLRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LMS3655MQRNLRQ1

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - Output (Min/Fixed)	1V
Voltage - Output (Max)	15V
Voltage - Input (Min)	3.9V
Voltage - Input (Max)	36V
Topology	Buck
Synchronous Rectifier	No
Supplier Device Package	22-VQFN-HR (5x4)
Series	Automotive, AEC-Q100
Package / Case	22-VFQFN

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Output Type	Adjustable
Output Configuration	Positive
Operating Temperature	-40°C ~ 125°C (TA)
Number of Outputs	1
Mounting Type	Surface Mount, Wettable Flank
Function	Step-Down
Frequency - Switching	250kHz ~ 500kHz
Current - Output	5.5A
Base Product Number	LMS3655

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

Manufacturer Part Number

LMS3655MQRNLRQ1

Manufacturer

Texas Instruments

Introduction

The LMS3655MQRNLRQ1 is a step-down (buck) voltage regulator, suitable for automotive applications, capable of driving a 5.5A load with excellent power efficiency.

Product Features and Performance

Step-Down Regulator

Adjustable Output Voltage

One Output Channel

Input Voltage Range from 3.9V to 36V

Output Voltage Range from 1V to 15V

5A Output Current Capability

Switching Frequency Between 250kHz and 500kHz

Surface Mount, Wettable Flank Technology for better soldering and inspection

22-VFQFN Package Enhanced for Thermal Performance

Product Advantages

High-Efficiency Power Conversion

Broad Input Voltage Range for Various Applications

Customizable Output Voltage to Suit Specific Needs

Designed for Automotive Requirements

Thermal Performance Suitable for High-Power Applications

Key Technical Parameters

Output Configuration: Positive

Topology: Buck

Number of Outputs: 1

Frequency - Switching: 250kHz ~ 500kHz

Current - Output: 5.5A

Voltage - Input (Min): 3.9V

Voltage - Input (Max): 36V

Voltage - Output (Min/Fixed): 1V

Voltage - Output (Max): 15V

Quality and Safety Features

Operational in a Wide Temperature Range of -40°C to +125°C

AEC-Q100 Qualified for Automotive Reliability and Quality

No Synchronous Rectifier to Simplify Design

Compatibility

Suitable for Surface Mount Technology (SMT)

Compatible with 22-VQFN-HR (5x4) Footprints

Application Areas

Automotive Electronics

Power Supplies for Industrial Applications

Networking and Telecommunication Systems

Aftermarket Automotive Modifications and Enhancements

Product Lifecycle

Product Status: Active

Currently not nearing discontinuation with replacements or upgrades readily available

Several Key Reasons to Choose This Product

Exceptional Temperature Range for High Reliability in Automotive Applications

Meets AEC-Q100 Standards for Stress Test Qualification

Flexible Input and Output Ranges Compatible with a Variety of Circuits

High Output Current Suitable for Demanding Power Requirements

Scalable Output Voltage for Greater Design Flexibility

Supports Energy-efficient Operation, Reducing Overall Power Consumption

Texas Instruments' Reputation for Durable and Reliable Components

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LMS3655MQRNLRQ1

Product Attribute
Part Number	LMS3655MQURNLRQ1	LMS3655NQRNLRQ1	LMS3655LQRNLRQ1	LMS3655NQURNLRQ1
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Output Configuration	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Synchronous Rectifier	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Series	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Voltage - Output (Max)	-	-	-	-
Frequency - Switching	-	-	-	-
Function	-	-	-	-
Current - Output	-	-	-	-
Number of Outputs	-	-	-	-
Topology	-	-	-	-
Voltage - Input (Max)	-	-	-	-
Voltage - Output (Min/Fixed)	-	-	-	-
Output Type	-	Current - Unbuffered	Voltage - Buffered	-
Voltage - Input (Min)	-	-	-	-

LMS3655MQRNLRQ1 Datasheet PDF

Download LMS3655MQRNLRQ1 pdf datasheets and Texas Instruments documentation for LMS3655MQRNLRQ1 - Texas Instruments.

PCN Packaging: Label Correction 20/Dec/2021.pdf
HTML Datasheet: LMS3655-Q1, 3635-Q1 Datasheet.pdf
PCN Assembly/Origin: Mult Dev Test Site Add 3/Dec/2018.pdf

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Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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