Name: LM2678SX-3.3
Brand: Texas Instruments
SKU: LM2678SX-3-3
Availability: InStock
Rating: 5 (194 reviews)

LM2678SX-3.3

For Reference Only

Part Number	LM2678SX-3.3
Manufacturer	Texas Instruments
Description	IC REG BUCK 3.3V 5A TO263-7
Datasheet	LM2678SX-3.3 Datasheet LM2678SX-3.3 Specifications
Package	TO-263-8, D2Pak (7 Leads + Tab), TO-263CA
ECAD
In Stock	12,684 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 13 - Jun 18 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LM2678SX-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 LM2678SX-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 LM2678SX-3.3 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM2678SX-3.3.

LM2678SX-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	5A
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

LM2678SX-3.3 Datasheet

LM2678SX-3.3 Reviews

Madel*****Pillay

March 28, 2023

★ ★ ★ ★ ★

They work great exactly what I needed.

Sylv*****ischer

March 10, 2023

★ ★ ★ ★ ★

Website and order clear, concise and user friendly. Thanks!

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

LM2678SX-3.3 Packaging

LM2678SX-3.3 FAQ

1. How to order LM2678SX-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 LM2678SX-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 LM2678SX-3.3. All suppliers must pass our qualification reviews before they can publish their products including LM2678SX-3.3 on Heisener; we pay more attention to the channels and quality of LM2678SX-3.3 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM2678SX-3.3 price and inventory displayed accurate?

The price and inventory of LM2678SX-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 LM2678SX-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 LM2678SX-3.3 we delivered, we will accept the replacement or return of the LM2678SX-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 LM2678SX-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 LM2678SX-3.3 pin diagram, LM2678SX-3.3 datasheet?

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

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LM2678SX-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

LM2678SX-3.3/NOPB

D# V72:2272_07270160

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 3.3V 5A 8-Pin(7+Tab) TO-263 T/R

LM2678S-3.3/NOPB

D# V99:2348_07270145

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 3.3V 5A 8-Pin(7+Tab) TO-263 Tube

Part Number

Manufacturer

Description

Stock

LM2678S-3.3/NOPB

D# LM2678S-3.3/NOPB

Texas Instruments

Conv DC-DC Single Step Down 8V to 40V 8-Pin(7+Tab) TO-263 Rail - Rail/Tube (Alt: LM2678S-3.3/NOPB)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LM2678SX-3.3

National Semiconductor Corporation

279

LM2678S-3.3/NOPB

National Semiconductor Corporation

Part Number	Manufacturer	Description	Stock
LM2678S-3.3/NOPB	National Semiconductor Corporation	Min Qty 1	225
LM2678SX-3.3	Texas Instruments	IC REG BUCK 3.3V 5A TO263-7	500
LM2678SX-3.3/NOPB	Texas Instruments	IC REG BUCK 3.3V 5A TO263-7	500

Part Number

Manufacturer

Description

Stock

LM2678SX33

National Semiconductor Corporation

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LM2678S-3.3/NOPB

Texas Instruments

RoHS (ship within 1day) - D/C 2011

Part Number	Manufacturer	Description	Stock
LM2678SX-3.3/NOPB D# LM2678SX-3.3/NOPBCT-ND	Texas Instruments	IC REG BUCK 3.3V 5A TO263-7	327
LM2678SX-3.3 D# LM2678SX-3.3TR-ND	Texas Instruments	IC REG BUCK 3.3V 5A TO263-7	0
LM2678S-3.3/NOPB D# LM2678S-3.3/NOPB-ND	Texas Instruments	IC REG BUCK 3.3V 5A TO263-7	160

Part Number

Manufacturer

Description

Stock

LM2678SX-3.3

D# LM2678SX-3.3

National Semiconductor Corporation

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

3297

Part Number

Manufacturer

Description

Stock

LM2678SX-3.3

National Semiconductor Corporation

In stock shipping within 2days

200

Part Number

Manufacturer

Description

Stock

LM2678S-3.3/NOPB

D# 3122913

Texas Instruments

IC, DC/DC CONVERTER, 5A

RoHS: Compliant

Min Qty: 1

Container: Each

255

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Manufacturer

Description

Stock

LM2678SX33

National Semiconductor Corporation

OEM/CM QUOTES ONLY | NO BROKERS

2288

LM2678SX33NOPB

T.I(NSC)

OEM/CM QUOTES ONLY | NO BROKERS

464

Part Number

Manufacturer

Description

Stock

LM2678SX33NOPB

Texas Instruments

OEM/CM ONLY

524

LM2678SX33

Texas Instruments

OEM/CM ONLY

983

Part Number

Manufacturer

Description

Stock

LM2678S-3.3/NOPB

National Semiconductor Corporation

In Stock

212

Part Number

Manufacturer

Description

Stock

LM2678SX-3.3

National Semiconductor Corporation

OEM/CM Immediate delivery

2000

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Manufacturer

Description

Stock

LM2678S-3.3/NOPB

D# 926-LM2678S-3.3/NOPB

Texas Instruments

Switching Voltage Regulators HIGH EFF 5A STEP- DOWN VLTG REG

RoHS: Compliant

170

LM2678SX-3.3/NOPB

D# 926-LM2678SX33NOPB

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Switching Voltage Regulators Hi Eff 5A SD VTG Reg

RoHS: Compliant

516

Part Number

Manufacturer

Description

Stock

LM2678S-3.3/NOPB

D# 29AH6255

Texas Instruments

IC, DC/DC CONVERTER, 5A, Topology:Buck (Step Down), Input Voltage Min:8V, Input Voltage Max:40V, DC / DC Converter IC Case:TO-263, No. of Pins:7Pins, Output Current:5A, Output Voltage Nom.:3.3V, Switching Frequency:260kHz, Operating RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

255

Part Number	Manufacturer	Description	Stock
LM2678S-3.3/NOPB D# NS-LM2678S-3.3/NOPB	Texas Instruments	OEM/CM ONLY	7794
LM2678SX-3.3 D# NS-LM2678SX-3.3	Texas Instruments	OEM/CM ONLY	2777
LM2678SX-3.3/NOPB D# NS-LM2678SX-3.3/NOPB	Texas Instruments	OEM/CM ONLY	10471

Part Number

Manufacturer

Description

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LM2678S-3.3/NOPB

National Semiconductor Corporation

8.75A SWITCHING REGULATOR, 280KHZ SWITCHING FREQ-MAX, PSSO7

LM2678SX-3.3

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LM2678SX-3.3/NOPB

Texas Instruments

LM2678 8V to 40V, 5A SIMPLE SWITCHER buck converter with high efficiency

RoHS: Compliant

255

LM2678S-3.3/NOPB

Texas Instruments

LM2678 8V to 40V, 5A SIMPLE SWITCHER buck converter with high efficiency

RoHS: Compliant

5579

Part Number

Manufacturer

Description

Stock

LM2678SX33

National Semiconductor Corporation

OEM/CM ONLY

2032

LM2678SX3.3/NOPB

National Semiconductor Corporation

OEM/CM ONLY

416

Part Number

Manufacturer

Description

Stock

LM2678SX-3.3

National Semiconductor Corporation

IN stock Immediate delivery

2015

Part Number

Manufacturer

Description

Stock

LM2678SX-3.3/NOPB

Texas Instruments

8V to 40V, 5A SIMPLE SWITCHER® buck converter with high efficiency

LM2678S-3.3/NOPB

Texas Instruments

8V to 40V, 5A SIMPLE SWITCHER® buck converter with high efficiency

Part Number	Manufacturer	Description	Stock
LM2678S-3.3/NOPB	Texas Instruments	shipping today	13168
LM2678SX-3.3	ON Semiconductor	shipping today	186
LM2678SX-3.3/NOPB	National Semiconductor Corporation	shipping today	378

Part Number

Manufacturer

Description

Stock

LM2678S-3.3/NOPB

D# 35616995

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 3.3V 5A 8-Pin(7+Tab) TO-263 Tube

LM2678SX-3.3/NOPB

D# 53537610

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 3.3V 5A 8-Pin(7+Tab) TO-263 T/R

Part Number	Manufacturer	Description	Stock
LM2678SX33	National Semiconductor Corporation	RFQ	6094
LM2678S-3.3/NOPB	Texas Instruments	RFQ	4614
LM2678SX-3.3	National Semiconductor Corporation	RFQ	4286

Part Number

Manufacturer

Description

Stock

LM2678S-3.3/NOPB

D# 3122913

Texas Instruments

IC, DC/DC CONVERTER, 5A

RoHS: Compliant

Min Qty: 1

Container: Each

255

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LM2678SX-3.3

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