Name: LM2673SX-3.3
Brand: Texas Instruments
SKU: LM2673SX-3-3
Availability: InStock
Rating: 5 (82 reviews)

LM2673SX-3.3

For Reference Only

Part Number	LM2673SX-3.3
Manufacturer	Texas Instruments
Description	IC REG BUCK 3.3V 3A TO263-7
Datasheet	LM2673SX-3.3 Datasheet LM2673SX-3.3 Specifications
Package	TO-263-8, D2Pak (7 Leads + Tab), TO-263CA
ECAD
In Stock	106,116 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 # LM2673SX-3.3 (PMIC - Voltage Regulators - DC DC Switching Regulators) 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 LM2673SX-3.3 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LM2673SX-3.3 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM2673SX-3.3.

LM2673SX-3.3 Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Regulators
Package	TO-263-8, D2Pak (7 Leads + Tab), TO-263CA
ECAD
Series	SIMPLE SWITCHER?
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Fixed
Number of Outputs	1
Voltage - Input (Min)	8V
Voltage - Input (Max)	40V
Voltage - Output (Min/Fixed)	3.3V
Voltage - Output (Max)	-
Current - Output	3A
Frequency - Switching	260kHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-263-8, D2Pak (7 Leads + Tab), TO-263CA
Supplier Device Package	DDPAK/TO-263-7

LM2673SX-3.3 Datasheet

LM2673SX-3.3 Reviews

Gianl*****ineda

April 9, 2023

★ ★ ★ ★ ★

good item, quick delivery, prefer to recommended.

Jav*****Balay

March 25, 2023

★ ★ ★ ★ ★

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

Rog*****Saha

March 23, 2023

★ ★ ★ ★ ★

Replaced a diode in my distortion pedal. Sounds different (lower growl) but in a good way...LOL!

Sie*****Lane

March 22, 2023

★ ★ ★ ★ ★

Excellent sales and service. Thank you. Buy with confidence.

Col*****trong

March 21, 2023

★ ★ ★ ★ ★

No complaints. Works perfectly every single one of them! great quality! No bent pins either!

Vio***** Goel

March 20, 2023

★ ★ ★ ★ ★

EXACTLY what I was looking for -- one piece with a low forward voltage drop to isolate some DC power sources. They work fantastic!

Maken*****uzman

March 15, 2023

★ ★ ★ ★ ★

I always enjoy shopping with Heisener, never makes a mistake, most reliable, and no long waiting for deliveries.

Lexi*****lland

March 11, 2023

★ ★ ★ ★ ★

Easy to browse and order. You have everything I want. I compared the prices and services with others and found you're the best choice.

Ales*****Yates

February 24, 2023

★ ★ ★ ★ ★

I always have good experiences in dealing with Heisener Electronics. They have the components I need in stock, their search function is great, and shipping is fast and always as promised.

Write a Review

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LM2673SX-3.3 Packaging

LM2673SX-3.3 FAQ

1. How to order LM2673SX-3.3 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 LM2673SX-3.3 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM2673SX-3.3. All suppliers must pass our qualification reviews before they can publish their products including LM2673SX-3.3 on Heisener; we pay more attention to the channels and quality of LM2673SX-3.3 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM2673SX-3.3 price and inventory displayed accurate?

The price and inventory of LM2673SX-3.3 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 LM2673SX-3.3?

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 LM2673SX-3.3 we delivered, we will accept the replacement or return of the LM2673SX-3.3 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 LM2673SX-3.3.

(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 LM2673SX-3.3 pin diagram, LM2673SX-3.3 datasheet?

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

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LM2673SX-3.3 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

LM2673SX-3.3/NOPB

D# V72:2272_07270048

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 3.3V 3A 8-Pin(7+Tab) TO-263 T/R

LM2673S-3.3/NOPB

D# V99:2348_07270035

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 3.3V 3A 8-Pin(7+Tab) TO-263 Tube

Part Number

Manufacturer

Description

Stock

LM2673S-3.3/NOPB

D# LM2673S-3.3/NOPB

Texas Instruments

Conv DC-DC Single Step Down 8V to 40V 8-Pin(7+Tab) TO-263 Rail - Rail/Tube (Alt: LM2673S-3.3/NOPB)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LM2673SX-3.3

National Semiconductor Corporation

370

LM2673S-3.3/NOPB

National Semiconductor Corporation

222

Part Number	Manufacturer	Description	Stock
LM2673SX-3.3/NOPB	Texas Instruments	- Tape and Reel	1000
LM2673S-3.3/NOPB	Texas Instruments	IC, STEP-DOWN REGULATOR, TO-263-7	18
LM2673SX-3.3	Texas Instruments	- Tape and Reel	1000

Part Number	Manufacturer	Description	Stock
LM2673SX-3.3 D# LM2673SX-3.3TR-ND	Texas Instruments	IC REG BUCK 3.3V 3A TO263-7	0
LM2673S-3.3/NOPB D# LM2673S-3.3/NOPB-ND	Texas Instruments	IC REG BUCK 3.3V 3A TO263-7	449
LM2673SX-3.3/NOPB D# LM2673SX-3.3/NOPBCT-ND	Texas Instruments	IC REG BUCK 3.3V 3A TO263-7	2500

Part Number

Manufacturer

Description

Stock

LM2673SX-3.3 LM2673S-3.3

National Semiconductor Corporation

In stock shipping within 2days

425

LM2673SX-3.3

National Semiconductor Corporation

In stock shipping within 2days

1063

Part Number

Manufacturer

Description

Stock

LM2673SX33NOPB

National Semiconductor Corporation

OEM/CM QUOTES ONLY | NO BROKERS

LM2673SX33

National Semiconductor Corporation

OEM/CM QUOTES ONLY | NO BROKERS

487

Part Number	Manufacturer	Description	Stock
LM2673SX33NOPB	Texas Instruments	OEM/CM ONLY	262
LM2673SX33NOP	Texas Instruments	OEM/CM ONLY	886
LM2673SX33	Texas Instruments	OEM/CM ONLY	655

Part Number	Manufacturer	Description	Stock
LM2673S-3.3/NOPB	National Semiconductor Corporation	OEM/CM Immediate delivery	51
LM2673SX-3.3	National Semiconductor Corporation	OEM/CM Immediate delivery	190
LM2673SX-3.3/NOPB	Texas Instruments	OEM/CM Immediate delivery	70

Part Number

Manufacturer

Description

Stock

LM2673SX-3.3/NOPB

D# 926-LM2673SX33NOPB

Texas Instruments

Switching Voltage Regulators 3A SD VTG Reg w/ Adj Crnt Limit

RoHS: Compliant

752

LM2673S-3.3/NOPB

D# 926-LM2673S-33/NOPB

Texas Instruments

Switching Voltage Regulators 3A SD VTG Reg w/ Adj Crnt Limit

RoHS: Compliant

468

Part Number	Manufacturer	Description	Stock
LM2673SX-3.3/NOPB D# NS-LM2673SX-3.3/NOPB	Texas Instruments	OEM/CM ONLY	2417
LM2673S-3.3/NOPB D# NS-LM2673S-3.3/NOPB	Texas Instruments	OEM/CM ONLY	1367
LM2673SX-3.3 D# NS-LM2673SX-3.3	Texas Instruments	OEM/CM ONLY	2719

Part Number

Manufacturer

Description

Stock

LM2673SX-3.3/NOPB

National Semiconductor Corporation

SWITCHING REGULATOR, VOLTAGE-MODE, 5.4A, 280KHZ SWITCHING FREQ-MAX, PSSO7

LM2673SX-3.3

National Semiconductor Corporation

296

Part Number

Manufacturer

Description

Stock

LM2673S-3.3/NOPB

D# 5334128

Texas Instruments

Texas Instruments, LM2673S-3.3/NOPB Step-Down Switching Regulator, 1-Channel 3A 7-Pin, D2PAK, EA

Min Qty: 1

Container: Bulk

Part Number

Manufacturer

Description

Stock

LM2673S-3.3/NOPB

National Semiconductor Corporation

LM2673 8V to 40V, 3A SIMPLE SWITCHER buck converter with adjustable current limit

RoHS: Compliant

2606

LM2673SX-3.3/NOPB

National Semiconductor Corporation

LM2673 8V to 40V, 3A SIMPLE SWITCHER buck converter with adjustable current limit

RoHS: Compliant

223

Part Number

Manufacturer

Description

Stock

LM2673SX33

National Semiconductor Corporation

OEM/CM ONLY

959

Part Number	Manufacturer	Description	Stock
LM2673SX-3.3	National Semiconductor Corporation	IN stock Immediate delivery	185
LM2673SX-3.3/NOPB	Texas Instruments	IN stock Immediate delivery	65
LM2673S-3.3/NOPB	National Semiconductor Corporation	IN stock Immediate delivery	46

Part Number

Manufacturer

Description

Stock

LM2673S-3.3/NOPB

Texas Instruments

8V to 40V, 3A SIMPLE SWITCHER® buck converter with adjustable current limit

LM2673SX-3.3/NOPB

Texas Instruments

8V to 40V, 3A SIMPLE SWITCHER® buck converter with adjustable current limit

Part Number

Manufacturer

Description

Stock

LM2673SX-3.3

NXP Semiconductors

shipping today

701

LM2673SX-3.3/NOPB

OCS

shipping today

2669

Part Number

Manufacturer

Description

Stock

LM2673S-3.3/NOPB

D# 46912363

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 3.3V 3A 8-Pin(7+Tab) TO-263 Tube

LM2673SX-3.3/NOPB

D# 31663280

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 3.3V 3A 8-Pin(7+Tab) TO-263 T/R

Part Number	Manufacturer	Description	Stock
LM2673S-3.3/NOPB	Texas Instruments	RFQ	2946
LM2673SX-3.3	National Semiconductor Corporation	RFQ	2253
LM2673SX-3.3/NOPB	Texas Instruments	RFQ	783

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LM2673SX-3.3

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