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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearL4940V12
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L4940V12 - STMicroelectronics

Manufacturer Part Number
L4940V12
Manufacturer
STMicroelectronics
Allelco Part Number
32D-L4940V12
ECAD Model
Parts Description
IC REG LINEAR 12V 1.5A TO220AB
Package
TO-220-3
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Specifications

L4940V12 Tech Specifications
STMicroelectronics - L4940V12 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - L4940V12

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage Dropout (Max) 0.9V @ 1.5A  
Voltage - Output (Min/Fixed) 12V  
Voltage - Output (Max) -  
Voltage - Input (Max) 17V  
Supplier Device Package TO-220  
Series -  
Protection Features Over Temperature, Reverse Polarity, Short Circuit  
Package / Case TO-220-3  
Package Tube  
PSRR 61dB (120Hz)  
Product Attribute Attribute Value  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 150°C  
Number of Regulators 1  
Mounting Type Through Hole  
Current - Supply (Max) 50 mA  
Current - Quiescent (Iq) 8 mA  
Current - Output 1.5A  
Control Features -  
Base Product Number L4940  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

L4940V12

Manufacturer

STMicroelectronics

Introduction

L4940V12 is a low drop-out linear voltage regulator designed for power management.

Product Features and Performance

Positive output configuration

Fixed output type

Single regulator integration

High PSRR of 61dB at 120Hz

Product Advantages

Low voltage dropout of 0.9V at 1.5A

Supports up to 1.5A output current

Low quiescent current of 8 mA

Key Technical Parameters

Input voltage up to 17V

Fixed output voltage of 12V

Maximum supply current of 50 mA

Quality and Safety Features

Over temperature protection

Reverse polarity protection

Short circuit protection

Compatibility

Through hole mounting

TO-220-3 package type

Application Areas

Suitable for electronic devices requiring stable 12V supply

Product Lifecycle

Obsolete status

Look for alternative or upgrade options

Several Key Reasons to Choose This Product

Robust protection features ensure reliability

Suitable for applications with up to 1.5A current demand

Ease of integration with through hole mounting

High power supply rejection ratio for less noise

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics L4940V12

Product Attribute L4940V12 L4941BV L4940D2T5-TR L4941BDT-TR
Part Number L4940V12 L4941BV L4940D2T5-TR L4941BDT-TR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Base Product Number L4940 L4941 L4940 L4941
Package / Case TO-220-3 TO-220-3 TO-263-3, D²Pak (2 Leads + Tab), TO-263AB TO-252-3, DPak (2 Leads + Tab), SC-63
Protection Features Over Temperature, Reverse Polarity, Short Circuit Over Temperature, Reverse Polarity, Short Circuit Over Temperature, Reverse Polarity, Short Circuit Over Temperature, Reverse Polarity, Short Circuit
Series - - - -
Current - Output 1.5A 1A 1.5A 1A
Voltage Dropout (Max) 0.9V @ 1.5A 0.7V @ 1A 0.9V @ 1.5A 0.7V @ 1A
Current - Supply (Max) 50 mA 40 mA 50 mA 40 mA
Voltage - Output (Min/Fixed) 12V 5V 5V 5V
Current - Quiescent (Iq) 8 mA 8 mA 8 mA 8 mA
Mounting Type Through Hole Through Hole Surface Mount Surface Mount
Voltage - Output (Max) - - - -
Operating Temperature -40°C ~ 150°C -40°C ~ 150°C -40°C ~ 150°C -40°C ~ 150°C
Control Features - - - -
Output Configuration Positive Positive Positive Positive
PSRR 61dB (120Hz) 68dB (120Hz) 68dB (120Hz) 68dB (120Hz)
Supplier Device Package TO-220 TO-220 D2PAK DPAK
Number of Regulators 1 1 1 1
Package Tube Tube Tape & Reel (TR) Tape & Reel (TR)
Voltage - Input (Max) 17V 16V 17V 16V
Output Type Fixed Fixed Fixed Fixed

L4940V12 Datasheet PDF

Download L4940V12 pdf datasheets and STMicroelectronics documentation for L4940V12 - STMicroelectronics.

Datasheets
Cylindrical Battery Holders.pdf

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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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L4940V12 Image

L4940V12

STMicroelectronics
32D-L4940V12

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