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L7818CV The STMicroelectronics L7818CV is a linear voltage regulator IC providing a fixed 18V output at up to 1.5A. It is housed in a TO-220 package.
Mfr Part #:

L7818CV

Available from 7 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L7818CV is a linear voltage regulator IC providing a fixed 18V output at up to 1.5A. It is housed in a TO-220 package.
✓ Total Stock: 58,967 pcs
$ Price Range: $0.28

L7818CV Available from 7 distributors

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✓ Non-Authorised
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L7818CV 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
Quiescent Current
Supplier Device Package
Voltage
Voltage Dropout (Max)
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L7818CV Description

Short technical summary and product information.

The STMicroelectronics L7818CV is a positive, fixed output linear voltage regulator IC. It is designed to supply 18V with a maximum output current of 1.5A. The device features built-in over-temperature and short-circuit protection for enhanced reliability.

 

With a typical voltage dropout of 2V at 1A, the L7818CV is suitable for various power supply applications. It operates within a temperature range of 0°C to 125°C. The regulator is available in a TO-220 package, requiring through-hole mounting.

 

Key electrical characteristics include a quiescent current of 8 mA and a Power Supply Ripple Rejection (PSRR) of 53dB at 120Hz. The maximum input voltage is rated at 35V.

 

This component is ideal for applications requiring a stable, regulated positive voltage. Its robust protection features make it a reliable choice for power management circuits.

L7818CV Quick Information

Product Type: Linear Voltage Regulator
Series: L78
Canonical Name: STMicroelectronics L7818CV Linear Voltage Regulator IC
Subcategory: Linear

L7818CV Compliance

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

L7818CV Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

L7818CV Features

  • Fixed 18V positive output voltage.
  • Maximum output current of 1.5A.
  • Built-in over-temperature protection.
  • Built-in short-circuit protection.
  • TO-220 package for through-hole mounting.

L7818CV Applications

  • Provides stable 18V rail for analog circuits.
  • Suitable for powering industrial control modules.
  • Used in general-purpose power regulation designs.
  • Ideal for post-regulation in power supplies.

L7818CV FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the L7818CV?

The L7818CV provides a fixed output voltage of 18V.

What is the maximum output current?

The L7818CV can deliver up to 1.5A output current.

What is the dropout voltage?

The typical dropout voltage is 2V at 1A load.

What is the operating temperature range?

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

What package is the L7818CV available in?

The L7818CV is available in a TO-220-3 through-hole package.

What protection features does the L7818CV include?

The L7818CV includes over-temperature and short-circuit protection.

What is the PSRR of the L7818CV?

The PSRR is 53dB at 120Hz.

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