Name: LM2678S-ADJ
Brand: Texas Instruments
SKU: LM2678S-ADJ
Price: 10.507 USD
Availability: InStock
Rating: 5 (110 reviews)

LM2678S-ADJ

For Reference Only

Part Number	LM2678S-ADJ
Manufacturer	Texas Instruments
Description	IC REG BUCK ADJ 5A TO263-7
Datasheet	LM2678S-ADJ Specifications
Package	TO-263-8, D2Pak (7 Leads + Tab), TO-263CA
ECAD
In Stock	296,184 piece(s)
Unit Price	$ 10.5070 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 12 - Jun 17 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LM2678S-ADJ (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 LM2678S-ADJ specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LM2678S-ADJ with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM2678S-ADJ.

LM2678S-ADJ 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	Adjustable
Number of Outputs	1
Voltage - Input (Min)	8V
Voltage - Input (Max)	40V
Voltage - Output (Min/Fixed)	1.21V
Voltage - Output (Max)	37V
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

LM2678S-ADJ Reviews

Wren*****katesh

April 2, 2023

★ ★ ★ ★ ★

Excellent Seller,great product and Super Fast Shipping! Highly recommended A+++

Yahi*****erra

March 23, 2023

★ ★ ★ ★ ★

I can find what I want, and also trust I'm getting what I paid for. Many times I had to send things back or eat the cost dealing shady sellers, either way it cost me.

Yehu*****clean

March 9, 2023

★ ★ ★ ★ ★

These very economical items will repair my expensive contactors with just a quick connection.

Write a Review

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LM2678S-ADJ Packaging

LM2678S-ADJ FAQ

1. How to order LM2678S-ADJ 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 LM2678S-ADJ is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM2678S-ADJ. All suppliers must pass our qualification reviews before they can publish their products including LM2678S-ADJ on Heisener; we pay more attention to the channels and quality of LM2678S-ADJ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM2678S-ADJ price and inventory displayed accurate?

The price and inventory of LM2678S-ADJ 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 LM2678S-ADJ?

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 LM2678S-ADJ we delivered, we will accept the replacement or return of the LM2678S-ADJ 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 LM2678S-ADJ.

(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 LM2678S-ADJ pin diagram, LM2678S-ADJ datasheet?

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

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LM2678S-ADJ 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-ADJ/NOPB D# V72:2272_07270164	Texas Instruments	Conv DC-DC 8V to 40V Step Down Single-Out 1.2V to 37V 5A 8-Pin(7+Tab) TO-263 T/R	0
LM2678S-ADJ/NOPB D# V99:2348_07270149	Texas Instruments	Conv DC-DC 8V to 40V Step Down Single-Out 1.2V to 37V 5A 8-Pin(7+Tab) TO-263 Tube	0
LM2678S-ADJ D# V36:1790_07270148	Texas Instruments	Conv DC-DC 8V to 40V Step Down Single-Out 1.2V to 37V 5A 8-Pin(7+Tab) TO-263 Tube RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ/NOPB

D# LM2678S-ADJ/NOPB

Texas Instruments

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

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ

National Semiconductor Corporation

STOCK

100

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ

National Semiconductor Corporation

Part Number	Manufacturer	Description	Stock
LM2678S-ADJ	Texas Instruments	NSCLM2678S-ADJ@NOPB SIMPLE SWITCHER 5A S	135
LM2678S-ADJ/NOPB	Texas Instruments	NSCLM2678S-ADJ@NOPB SIMPLE SWITCHER 5A S	135
LM2678SX-ADJ/NOPB	Texas Instruments	- Tape and Reel	8522

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ/NOPB

D# C1S746202852239

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 1.2V to 37V 5A 8-Pin(7+Tab) TO-263 Tube

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Bulk

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

Texas Instruments

40V 5A TO-263-7 DC-DC Converters RoHS

2385

Part Number

Manufacturer

Description

Stock

LM2678SADJ

National Semiconductor Corporation

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

Texas Instruments

RoHS (ship within 1day) - D/C 2012+

LM2678S-ADJ

N/A (ship within 1day) - D/C 2010

Part Number	Manufacturer	Description	Stock
LM2678S-ADJ/NOPB D# LM2678S-ADJ/NOPB-ND	Texas Instruments	IC REG BUCK ADJ 5A TO263-7	1480
LM2678SX-ADJ/NOPB D# LM2678SX-ADJ/NOPBCT-ND	Texas Instruments	IC REG BUCK ADJ 5A TO263-7	2016
LM2678S-ADJ D# LM2678S-ADJ-ND	Texas Instruments	IC REG BUCK ADJ 5A TO263-7	180

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ/NOPB T&R

D# LM2678S-ADJ/NOPB T&R

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

2996

LM2678S-ADJ

D# LM2678S-ADJ

National Semiconductor Corporation

2750

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

National Semiconductor Corporation

In stock shipping within 2days

576

LM2678S-ADJ/NOPB

Texas Instruments

In stock shipping within 2days

125

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

D# 3121540RL

Texas Instruments

DC/DC CONV, BUCK, 5A, 260KHZ, TO-263-7

RoHS: Compliant

Min Qty: 1

Container: Reel

LM2678S-ADJ/NOPB

D# 3121539

Texas Instruments

DC-DC CONVERTER, 7-TO-263

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ/NOPB

Texas Instruments

STOCK, SAME DAY SHIPPING. ALL PARTS ARE NEW

Part Number	Manufacturer	Description	Stock
LM2678SADJNOPB	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	4956
LM2678SADJ		OEM/CM QUOTES ONLY \| NO BROKERS	5800
LM2678SADJNOPBND	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	21

Part Number

Manufacturer

Description

Stock

LM2678SADJNOPB

Texas Instruments

OEM/CM ONLY

856

LM2678SADJ

Texas Instruments

OEM/CM ONLY

901

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ/NOPB

Texas Instruments

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

D# C40844

Texas Instruments

2361

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ

National Semiconductor Corporation

in stock - can ship the same day

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ

National Semiconductor Corporation

OEM/CM Immediate delivery

2018

LM2678SX-ADJ/NOPB

Texas Instruments

OEM/CM Immediate delivery

3455

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ/NOPB

D# 926-LM2678S-ADJ/NOPB

Texas Instruments

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

RoHS: Compliant

838

LM2678SX-ADJ/NOPB

D# 926-LM2678SXADJNOPB

Texas Instruments

Switching Voltage Regulators Hi Eff 5A SD Vtg Reg

RoHS: Compliant

1170

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

D# 33AH4111

Texas Instruments

DC/DC CONV, BUCK, 5A, 260KHZ, TO-263-7, Topology:Buck (Step Down), Input Voltage Min:8V, Input Voltage Max:40V, No. of Outputs:1Outputs, DC / DC Converter IC Case:TO-263, No. of Pins:7Pins, Output Current:5A, Output Voltage Min:1.2V, RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

LM2678S-ADJ/NOPB

D# 28AH3201

Texas Instruments

DC-DC CONVERTER, 7-TO-263, TOPOLOGY:BUCK, MSL:MSL 3 - 168 hours, SVHC:No SVHC (15-Jan-2019) RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

Part Number	Manufacturer	Description	Stock
LM2678S-ADJ D# NS-LM2678S-ADJ	Texas Instruments	OEM/CM ONLY	7005
LM2678SADJ D# NS-LM2678SADJ	Boca Research	OEM/CM ONLY	2508
LM2678S-ADJ/NOPB D# NS-LM2678S-ADJ/NOPB	Texas Instruments	OEM/CM ONLY	5433
LM2678SX-ADJ/NOPB D# NS-LM2678SX-ADJ/NOPB	Texas Instruments	OEM/CM ONLY	2524

Part Number	Manufacturer	Description	Stock
LM2678S-ADJ	National Semiconductor Corporation	Swithed-Mode Power Supply Controller, Voltage Mode Type, 7 Pin, Plastic, SIP	49
LM2678S-ADJ/NOPB	National Semiconductor Corporation	8.75 A SWITCHING REGULATOR, 280 KHZ SWITCHING FREQ-MAX, PSSO7	9
LM2678SX-ADJ/NOPB	Texas Instruments	SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7	41

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ

D# LM2678S-ADJ

National Semiconductor Corporation

Semiconductor

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ/NOPB

D# 5335250

Texas Instruments

Texas Instruments, LM2678S-ADJ/NOPB Step-Down Switching Regulator, 1-Channel 5A Adjustable 7-Pin, D2PAK, EA

Min Qty: 1

Container: Bulk

184

Part Number

Manufacturer

Description

Stock

LM2678S-ADJ/NOPB

Texas Instruments

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

RoHS: Compliant

LM2678SX-ADJ/NOPB

National Semiconductor Corporation

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

RoHS: Compliant

400

Part Number	Manufacturer	Description	Stock
LM 2678SADJ	National Semiconductor Corporation	OEM/CM ONLY	932
LM2678SADJ NOPB	National Semiconductor Corporation	OEM/CM ONLY	612
LM2678SADJPB		OEM/CM ONLY	115

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

Texas Instruments

IN stock Immediate delivery

3470

LM2678S-ADJ

National Semiconductor Corporation

IN stock Immediate delivery

2033

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

Texas Instruments

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

LM2678S-ADJ/NOPB

Texas Instruments

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

Part Number	Manufacturer	Description	Stock
LM2678S-ADJTR	ON Semiconductor	shipping today	36
LM2678SX-ADJ/NOPB	Texas Instruments	shipping today	8443
LM2678S-ADJ	National Semiconductor Corporation	shipping today	8206
LM2678S-ADJ/NOPB	Texas Instruments	shipping today	96

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

D# 52710753

Texas Instruments

Conv DC-DC 8V to 40V Step Down Single-Out 1.2V to 37V 5A 8-Pin(7+Tab) TO-263 T/R

Part Number

Manufacturer

Description

Stock

LM2678SADJ

National Semiconductor Corporation

RFQ

447

LM2678S-ADJ

Texas Instruments

RFQ

14113

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

Texas Instruments

IC REG BUCK ADJ 5A TO263-7

24342

LM2678S-ADJ

Texas Instruments

IC REG BUCK ADJ 5A TO263-7

870

Part Number

Manufacturer

Description

Stock

LM2678SX-ADJ/NOPB

D# 3121540

Texas Instruments

DC/DC CONV, BUCK, 5A, 260KHZ, TO-263-7

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

Quick Inquiry

LM2678S-ADJ

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