Name: LM78S40CN
Brand: Texas Instruments
SKU: LM78S40CN
Availability: InStock
Rating: 5 (174 reviews)

LM78S40CN

For Reference Only

Part Number	LM78S40CN
Manufacturer	Texas Instruments
Description	IC REG BUCK BOOST INV ADJ 16DIP
Datasheet	LM78S40CN Specifications
Package	16-DIP (0.300", 7.62mm)
ECAD
In Stock	101,664 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 27 - May 2 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LM78S40CN (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 LM78S40CN specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LM78S40CN with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM78S40CN.

LM78S40CN Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Regulators
Package	16-DIP (0.300", 7.62mm)
ECAD
Series	-
Function	Step-Up, Step-Down
Output Configuration	Positive or Negative
Topology	Buck, Boost
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	2.5V
Voltage - Input (Max)	40V
Voltage - Output (Min/Fixed)	1.25V
Voltage - Output (Max)	40V (Switch)
Current - Output	1.5A (Switch)
Frequency - Switching	100Hz ~ 100kHz
Synchronous Rectifier	No
Operating Temperature	0°C ~ 70°C (TA)
Mounting Type	Through Hole
Package / Case	16-DIP (0.300", 7.62mm)
Supplier Device Package	16-PDIP

LM78S40CN Reviews

Jos***** Sami

March 31, 2023

★ ★ ★ ★ ★

I love your products are well organized. You make it easy to spend $$$! Lol. Keep up the good work folks!

Chad*****lick

March 19, 2023

★ ★ ★ ★ ★

This is the best online shop to order electronic components. From a 30 cent item up to industrial, Customer Service is great. This company is so reliable and super easy to work with and ask questions. One CS agent even stayed after hours to get me an answer!

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LM78S40CN Packaging

LM78S40CN FAQ

1. How to order LM78S40CN 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 LM78S40CN is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM78S40CN. All suppliers must pass our qualification reviews before they can publish their products including LM78S40CN on Heisener; we pay more attention to the channels and quality of LM78S40CN products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM78S40CN price and inventory displayed accurate?

The price and inventory of LM78S40CN 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 LM78S40CN?

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 LM78S40CN we delivered, we will accept the replacement or return of the LM78S40CN 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 LM78S40CN.

(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 LM78S40CN pin diagram, LM78S40CN datasheet?

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

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LM78S40CN 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

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LM78S40CN/NOPB

D# V99:2348_07282876

Texas Instruments

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RoHS: Compliant

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454

LM78S40CN/NOPB

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National Semiconductor Corporation

RoHS: Not Compliant

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D# LM78S40CN/NOPB-ND

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D# LM78S40CN

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

2679

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Description

Stock

LM78S40CN

National Semiconductor Corporation

In stock shipping within 2days

2000

LM78S40CN/NOPB

National Semiconductor Corporation

In stock shipping within 2days

136

Part Number

Manufacturer

Description

Stock

LM78S40CN/NOPB

D# 3007239

Texas Instruments

IC, DC/DC CONVERTER, 1.5A

RoHS: Compliant

Min Qty: 1

Container: Each

476

Part Number

Manufacturer

Description

Stock

LM78S40CN

National Semiconductor Corporation

OEM/CM QUOTES ONLY | NO BROKERS

5800

LM78S40CNNOPB

TEXAS INSTRUMENTS

OEM/CM QUOTES ONLY | NO BROKERS

667

Part Number	Manufacturer	Description	Stock
LM78S40CN	Texas Instruments	OEM/CM ONLY	979
LM78S40CNPBF	Texas Instruments	OEM/CM ONLY	140
LM78S40CNNOPB	Texas Instruments	OEM/CM ONLY	239

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LM78S40CN

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In stock

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OEM/CM Immediate delivery

1325

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196

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LM78S40CN/NOPB

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Texas Instruments

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LM78S40CN/NOPB

D# NS-LM78S40CN/NOPB

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LM78S40CN

National Semiconductor Corporation

OEM/CM ONLY

10115

LM78S40CN/NOPB

National Semiconductor Corporation

OEM/CM ONLY

172

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LM78S40CN

National Semiconductor Corporation

IN stock Immediate delivery

1340

LM78S40CN/NOPB

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shipping today

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shipping today

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LM78S40CN/NOPB

D# 53288119

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Conv DC-DC 2.5V to 40V Step Down Single-Out 1.25V to 40V 1.5A 16-Pin PDIP Tube

RoHS: Compliant

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LM78S40CN

National Semiconductor Corporation

RFQ

5604

LM78S40CN/NOPB

Texas Instruments

RFQ

10049

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LM78S40CN

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D# 3007239

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IC, DC/DC CONVERTER, 1.5A

RoHS: Compliant

Min Qty: 1

Container: Each

487

Quick Inquiry

LM78S40CN

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