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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLM78S40N
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LM78S40N - Texas Instruments

Manufacturer Part Number
LM78S40N
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM78S40N
ECAD Model
Parts Description
IC REG BUCK BST ADJ 1.5A 16DIP
Package
16-DIP (0.300', 7.62mm)
Data sheet
LM78S40N.pdf
Our certification
In stock: 5210

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Specifications

LM78S40N Tech Specifications
Texas Instruments - LM78S40N technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM78S40N

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Output (Min/Fixed) 1.25V  
Voltage - Output (Max) 40V (Switch)  
Voltage - Input (Min) 2.5V  
Voltage - Input (Max) 40V  
Topology Buck, Boost  
Synchronous Rectifier No  
Supplier Device Package 16-PDIP  
Series -  
Package / Case 16-DIP (0.300', 7.62mm)  
Product Attribute Attribute Value  
Package Tube  
Output Type Adjustable  
Output Configuration Positive or Negative  
Operating Temperature -40°C ~ 125°C (TA)  
Number of Outputs 1  
Mounting Type Through Hole  
Function Step-Up, Step-Down  
Frequency - Switching 100Hz ~ 100kHz  
Current - Output 1.5A (Switch)  
Base Product Number LM78S40  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LM78S40N

Manufacturer

Texas Instruments

Introduction

Integrated circuit (IC) for DC-DC switching regulators

Provides adjustable step-up and step-down voltage regulation

Product Features and Performance

Operates over a wide input voltage range of 2.5V to 40V

Adjustable output voltage from 1.25V to 40V

Switching frequency range of 100Hz to 100kHz

Capable of delivering up to 1.5A of output current

Operates over a wide temperature range of -40°C to 125°C

Product Advantages

Allows for flexible voltage regulation

Wide input and output voltage ranges

Supports high output current

Operates in harsh temperature conditions

Key Technical Parameters

Input voltage range: 2.5V to 40V

Output voltage range: 1.25V to 40V

Output current: Up to 1.5A

Switching frequency: 100Hz to 100kHz

Operating temperature range: -40°C to 125°C

Quality and Safety Features

RoHS non-compliant

Compatibility

Through-hole mounting (16-PDIP package)

Application Areas

Suitable for a variety of DC-DC conversion applications

Can be used in power supplies, industrial equipment, and consumer electronics

Product Lifecycle

No information on discontinuation or availability of replacements/upgrades

Several Key Reasons to Choose This Product

Wide input and output voltage ranges provide flexibility for various applications

High output current capability allows for powering of higher-load devices

Operates over a wide temperature range, making it suitable for harsh environments

Adjustable output voltage enables customization of the power supply

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM78S40N

Product Attribute LM78S40N LM78S40CN LM78S40N/NOPB LM7905
Part Number LM78S40N LM78S40CN LM78S40N/NOPB LM7905
Manufacturer Texas Instruments Texas Instruments Texas Instruments PJ
Supplier Device Package 16-PDIP 16-PDIP - -
Voltage - Input (Max) 40V 40V - -
Current - Output 1.5A (Switch) 1.5A (Switch) - -
Topology Buck, Boost Buck, Boost - -
Series - - - -
Number of Outputs 1 1 - -
Frequency - Switching 100Hz ~ 100kHz 100Hz ~ 100kHz - -
Output Configuration Positive or Negative Positive or Negative - -
Voltage - Output (Min/Fixed) 1.25V 1.25V - -
Package Tube Tube - -
Operating Temperature -40°C ~ 125°C (TA) 0°C ~ 70°C (TA) - -
Mounting Type Through Hole Through Hole - -
Package / Case 16-DIP (0.300', 7.62mm) 16-DIP (0.300", 7.62mm) - -
Voltage - Output (Max) 40V (Switch) 40V (Switch) - -
Output Type Adjustable Adjustable - -
Function Step-Up, Step-Down Step-Up, Step-Down - -
Synchronous Rectifier No No - -
Base Product Number LM78S40 LM78S40 - -
Voltage - Input (Min) 2.5V 2.5V - -

LM78S40N Datasheet PDF

Download LM78S40N pdf datasheets and Texas Instruments documentation for LM78S40N - Texas Instruments.

PCN Design/Specification
Cylindrical Battery Holders.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LM78S40N Image

LM78S40N

Texas Instruments
32D-LM78S40N

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