LM2940CT-5.0 The Texas Instruments LM2940CT-5.0 is a 1A low-dropout linear voltage regulator with a fixed 5V output. It is designed for vehicular applications and offers protection features.
Mfr Part #:

LM2940CT-5.0

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2940CT-5.0 is a 1A low-dropout linear voltage regulator with a fixed 5V output. It is designed for vehicular applications and offers protection features.
✓ Total Stock: 1,907 pcs
$ Price Range: $0.28

LM2940CT-5.0 Available from 3 distributors

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✓ Non-Authorised
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1,718 pcs
1718 pcs On Request 1 On Request On Request On Request On Request On Request
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134 pcs
134 pcs On Request 1 On Request On Request 05+ On Request On Request
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55 pcs
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LM2940CT-5.0 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Industrial Grade
Medical Grade
Military Grade
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
PSRR
Package Quantity
Protection Features
Quiescent Current
Supplier Device Package
Tape & Reel
Voltage
Voltage Dropout (Max)

LM2940CT-5.0 Description

Short technical summary and product information.

The LM2940CT-5.0 from Texas Instruments is a 1-Amp, low-dropout linear voltage regulator designed for positive voltage regulation. It features a fixed 5V output and can operate with an input voltage range of 6V to 26V. The device boasts a typical dropout voltage of 0.5V at 1A, with a maximum of 1V across the operating temperature range.

 

Designed for robust performance, the LM2940CT-5.0 includes protection against reverse battery installations, 2-battery jumps, and temporary mirror-image insertion. It also incorporates internal short circuit current limiting and thermal overload protection. A quiescent current reduction circuit is integrated, which lowers ground current when the input-output voltage differential exceeds approximately 3V, resulting in only 30mA of quiescent current at 1A output with a 5V differential.

 

The regulator is housed in a TO-220-3 package, suitable for through-hole mounting. Its design makes it well-suited for automotive applications and other systems requiring reliable voltage regulation with enhanced protection features.

LM2940CT-5.0 Quick Information

Product Type: Linear Voltage Regulator
Series: LM2940C
Canonical Name: LM2940C 5V 1A Low Dropout Linear Voltage Regulator
Subcategory: Low-Dropout (LDO)

LM2940CT-5.0 Compliance

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

LM2940CT-5.0 Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LM2940CT-5.0 Features

  • 1A output current capability.
  • Low dropout voltage of 0.5V typical.
  • Wide input voltage range up to 26V.
  • Reverse battery and short circuit protection.
  • TO-220-3 through-hole package.

LM2940CT-5.0 Applications

  • Suitable for automotive applications.
  • Provides stable 5V power output.
  • Ideal for systems needing protection features.
  • General purpose voltage regulation.

LM2940CT-5.0 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LM2940CT-5.0?

The LM2940CT-5.0 provides a fixed 5V output voltage.

What is the maximum output current for the LM2940CT-5.0?

The LM2940CT-5.0 can source an output current in excess of 1A.

What is the dropout voltage of the LM2940CT-5.0?

The dropout voltage is typically 0.5V at 1A output, with a maximum of 1V.

What is the input voltage range for the LM2940CT-5.0?

The input voltage range is from 6V to 26V.

What protection features are included in the LM2940CT-5.0?

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

What is the operating temperature range for this regulator?

The operating temperature range is 0°C to 125°C.

What package is the LM2940CT-5.0 supplied in?

The LM2940CT-5.0 is supplied in a TO-220-3 package.

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