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L4940V10 The STMicroelectronics L4940V10 is a linear voltage regulator providing a fixed 10V output at up to 1.5A. It features a low dropout voltage and is housed in a TO-220 package.
Mfr Part #:

L4940V10

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L4940V10 is a linear voltage regulator providing a fixed 10V output at up to 1.5A. It features a low dropout voltage and is housed in a TO-220 package.
✓ Total Stock: 3,630 pcs
$ Price Range: $0.30

L4940V10 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
3,580 pcs
On Request
3580 pcs On Request 1 On Request On Request 06+ On Request On Request
Partservice ✓
Non-Authorised Inventory information
50 pcs
On Request
50 pcs On Request 1 On Request On Request On Request 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.

L4940V10 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Voltage
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Storage Temperature
Supplier Device Package
Supplier Package
Voltage
Voltage Dropout (Max)
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L4940V10 Description

Short technical summary and product information.

The STMicroelectronics L4940V10 is a three-terminal positive linear voltage regulator designed for a wide range of industrial and consumer applications. It offers a precise fixed output voltage of 10V and can supply up to 1.5A of current.

 

Key electrical features include a low dropout voltage of 0.9V typical at 1.5A, making it suitable for battery-powered equipment where power efficiency is crucial. The device also incorporates protection features such as thermal shutdown and short circuit protection to ensure reliability.

 

This regulator is available in a TO-220 package, suitable for through-hole mounting. Its operating temperature range is -40°C to 150°C, and it has a PSRR of 62dB at 120Hz.

 

The L4940 series is designed to reduce power consumption and prolong battery life in portable devices. Its internal current limiting and safe area protection further enhance its robustness.

L4940V10 Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: STMicroelectronics L4940V10 Linear Voltage Regulator
Subcategory: Linear

L4940V10 Compliance

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

L4940V10 Estimated Pricing

Qty Low High
1+ $0.30 $0.30

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

L4940V10 Features

  • Fixed 10V output voltage.
  • 1.5A maximum output current.
  • Low dropout voltage of 0.9V.
  • TO-220 package for through-hole mounting.
  • Includes thermal shutdown and short circuit protection.

L4940V10 Applications

  • Suitable for battery-powered equipment.
  • Used in industrial applications.
  • Designed for consumer electronics.
  • Power supply regulation circuits.

L4940V10 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the L4940V10?

The L4940V10 provides a fixed output voltage of 10V.

What is the maximum output current for the L4940V10?

The L4940V10 can supply a maximum output current of 1.5A.

What is the voltage dropout of the L4940V10 at 1.5A?

The voltage dropout for the L4940V10 is 0.9V at 1.5A.

What type of package is the L4940V10 in?

The L4940V10 is supplied in a TO-220 package.

What is the operating temperature range for the L4940V10?

The L4940V10 operates within a temperature range of -40°C to 150°C.

What protection features does the L4940V10 offer?

The L4940V10 includes over temperature, reverse polarity, and short circuit protection.

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