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L4940V5 The STMicroelectronics L4940V5 is a linear voltage regulator IC designed for stable 5V output. It features a 17V input voltage capability and a 1.5A output current.
Mfr Part #:

L4940V5

Available from 11 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L4940V5 is a linear voltage regulator IC designed for stable 5V output. It features a 17V input voltage capability and a 1.5A output current.
✓ Total Stock: 19,892 pcs
$ Price Range: $0.28

L4940V5 Available from 11 distributors

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Xingangxin ✓
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7,030 pcs
On Request
7030 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
3,553 pcs
On Request
3553 pcs On Request 1 On Request On Request 21+ On Request On Request
Fe Components ✓
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3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
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2,052 pcs
On Request
2052 pcs On Request 1 On Request On Request 21+ On Request On Request
Components Technology Group, Inc. ✓
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2,000 pcs
On Request
2000 pcs On Request 1 On Request On Request On Request On Request On Request
ACK ELEKTRONIK ✓
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1,797 pcs
On Request
1797 pcs On Request 1 On Request On Request On Request On Request On Request
Hybrid Electronics ✓
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404 pcs
On Request
404 pcs On Request 1 On Request On Request 835 On Request On Request
Partservice ✓
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31 pcs
On Request
31 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
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13 pcs
On Request
13 pcs On Request 1 On Request On Request On Request On Request On Request
Chanetech ✓
Non-Authorised Inventory information
8 pcs
On Request
8 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
4 pcs
On Request
4 pcs On Request 1 On Request On Request 23+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

L4940V5 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Supplier Package
Voltage
Voltage Dropout (Max)
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L4940V5 Description

Short technical summary and product information.

The STMicroelectronics L4940V5 is a linear voltage regulator with a fixed 5V output. It is designed to operate with an input voltage up to 17V and can supply a continuous output current of 1.5A. The device offers protection features including over temperature, reverse polarity, and short circuit protection, enhancing its reliability in various applications.

 

This regulator is housed in a TO-220-3 package and is designed for through-hole mounting, making it suitable for integration into a wide range of electronic circuits. Its operating temperature range is from -40°C to 150°C, ensuring performance in demanding environments. The L4940V5 provides a stable and regulated voltage, crucial for sensitive electronic components.

 

Key electrical characteristics include a voltage dropout of 0.9V at 1.5A and a PSRR of 68dB at 120Hz. The single regulator output configuration simplifies circuit design. This component is suitable for power management applications where a reliable and fixed voltage supply is required.

L4940V5 Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: STMicroelectronics L4940V5 Linear Voltage Regulator
Subcategory: Linear

L4940V5 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

L4940V5 Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

L4940V5 Features

  • Fixed 5V output voltage.
  • 1.5A maximum output current.
  • Through hole mounting package.
  • Includes over temperature protection.
  • Short circuit protection included.

L4940V5 Applications

  • Ideal for stable power supplies.
  • Suitable for automotive applications.
  • Used in consumer electronics.
  • Applicable for industrial controls.

L4940V5 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the L4940V5?

The L4940V5 provides a fixed output voltage of 5V.

What is the maximum output current?

The L4940V5 is rated for a maximum output current of 1.5A.

What is the dropout voltage?

The maximum dropout voltage is 0.9V at 1.5A load.

What is the operating temperature range?

The L4940V5 operates from -40°C to 150°C.

What protection features does the L4940V5 include?

It includes over temperature, reverse polarity, and short circuit protection.

What package is the L4940V5 available in?

The L4940V5 is available in a TO-220-3 package for through-hole mounting.

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