Name: LM3743MM-300
Brand: Texas Instruments
SKU: LM3743MM-300
Availability: InStock
Rating: 5 (189 reviews)

LM3743MM-300

For Reference Only

Part Number	LM3743MM-300
Manufacturer	Texas Instruments
Description	IC REG CTRLR BUCK 10MSOP
Datasheet	LM3743MM-300 Datasheet LM3743MM-300 Specifications
Package	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
ECAD
In Stock	5,728 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 12 - Jun 17 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LM3743MM-300 (PMIC - Voltage Regulators - DC DC Switching Controllers) is manufactured by Texas Instruments and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For LM3743MM-300 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LM3743MM-300 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM3743MM-300.

LM3743MM-300 Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers
Package	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
ECAD
Series	-
Output Type	Transistor Driver
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	3 V ~ 5.5 V
Frequency - Switching	300kHz
Duty Cycle (Max)	91%
Synchronous Rectifier	Yes
Clock Sync	No
Serial Interfaces	-
Control Features	Current Limit, Enable, Soft Start, Tracking
Operating Temperature	-40°C ~ 125°C (TJ)
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package	10-VSSOP

LM3743MM-300 Datasheet

LM3743MM-300 Reviews

Isra*****hurch

April 4, 2023

★ ★ ★ ★ ★

It works fine and does what it has designed for. No regrets.

Frede*****Mangal

March 30, 2023

★ ★ ★ ★ ★

Very easy to find and order what I wanted. Being able to add multiple items in various quantities from an online catalog page with a simple click.

Kylie*****ngston

March 18, 2023

★ ★ ★ ★ ★

Went well this time Now have the IC and very pleased.

Jill*****Dani

March 12, 2023

★ ★ ★ ★ ★

Excellent company. Product as described. Usually fast and well packed.Very nice.

Kars*****eters

March 8, 2023

★ ★ ★ ★ ★

Excellent Seller, Great Products, Fast Reliable Service.

Rai***** Vu

March 4, 2023

★ ★ ★ ★ ★

Comparison with other company, Heisener is my first choice for supplier.

Abra*****Hari

March 2, 2023

★ ★ ★ ★ ★

Always the correct parts in the correct amounts are received. Fantastic Quality Control and Great Selection. Heisener has became to be one of my best suppliers for many years now.

Bianc*****acruz

February 28, 2023

★ ★ ★ ★ ★

Used these for a solar project, and they are working great.

Gibs*****itra

February 21, 2023

★ ★ ★ ★ ★

I took time to note down but perfect after several months of use

Write a Review

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LM3743MM-300 Packaging

LM3743MM-300 FAQ

1. How to order LM3743MM-300 on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that LM3743MM-300 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM3743MM-300. All suppliers must pass our qualification reviews before they can publish their products including LM3743MM-300 on Heisener; we pay more attention to the channels and quality of LM3743MM-300 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM3743MM-300 price and inventory displayed accurate?

The price and inventory of LM3743MM-300 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of LM3743MM-300?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM3743MM-300 we delivered, we will accept the replacement or return of the LM3743MM-300 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM3743MM-300.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as LM3743MM-300 pin diagram, LM3743MM-300 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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LM3743MM-300 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

LM3743MM-300/NOPB

D# V36:1790_07275376

Texas Instruments

High-Performance Synchronous Buck Controller with Comprehensive Fault

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LM3743MM-300/NOPB

Texas Instruments

IC REG CTRLR BUCK PWM VM 10-MSOP

600

LM3743MM-300

Texas Instruments

IC REG CTRLR BUCK PWM VM 10-MSOP

600

Part Number

Manufacturer

Description

Stock

LM3743MM-300/NOPB

D# LM3743MM-300/NOPBCT-ND

Texas Instruments

IC REG CTRLR BUCK 10MSOP

1995

LM3743MM-300

D# LM3743MM-300TR-ND

Texas Instruments

IC REG CTRLR BUCK 10MSOP

Part Number	Manufacturer	Description	Stock
LM3743MM300NOPB	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	3052
LM3743MM300NO	NATL SEM	OEM/CM QUOTES ONLY \| NO BROKERS	45
LM3743MM300	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	64

Part Number

Manufacturer

Description

Stock

LM3743MM300

Texas Instruments

OEM/CM ONLY

914

LM3743MM300NOPB

Texas Instruments

OEM/CM ONLY

753

Part Number

Manufacturer

Description

Stock

LM3743MM-300/NOPB

D# NS-LM3743MM-300/NOPB

Texas Instruments

OEM/CM ONLY

7226

LM3743MM-300

D# NS-LM3743MM-300

Texas Instruments

OEM/CM ONLY

3822

Part Number

Manufacturer

Description

Stock

LM3743MM-300/NOPB

National Semiconductor Corporation

LM3743 High-Performance Synchronous Buck Controller with Comprehensive Fault Protection Features

RoHS: Compliant

7077

Part Number	Manufacturer	Description	Stock
LM3743MM300/NO	NATL SEM	OEM/CM ONLY	55
LM3743MM300/NOPB	National Semiconductor Corporation	OEM/CM ONLY	5328
LM3743MM300	National Semiconductor Corporation	OEM/CM ONLY	71

Part Number

Manufacturer

Description

Stock

LM3743MM-300/NOPB

Texas Instruments

High-Performance Synchronous Buck Controller with Comprehensive Fault Protection Features

Part Number

Manufacturer

Description

Stock

LM3743MM-300CT

National Semiconductor Corporation

RFQ

9907

LM3743MM-300TR

National Semiconductor Corporation

RFQ

14061

Quick Inquiry

LM3743MM-300

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