L200CV Regulator: Datasheet, Equivalent, and Replacement

The L200CV is a popular voltage regulator integrated circuit (IC) manufactured by STMicroelectronics. It is widely used in various applications that require precise voltage regulation and current limiting. This article provides an overview of the L200CV regulator, its key features, and explores alternatives and possible replacements.

The L200CV is a monolithic voltage and current regulator in a TO-220 package. It is designed to provide a regulated output voltage, with both positive and negative voltage control capabilities. The L200CV can handle input voltages up to 40V and is capable of delivering output currents of up to 2.2A.

 Symbol

 Footprint

 3D-Model

Adjustable Output Current Up To 2 a

(Guaranteed Up To Tj = 150 °c)

Adjustable Output Voltage Down To

2.85 v

Input Overvoltage Protection (Up To

60 v, 10 Ms)

Short Circuit Protection

Output Transistor s.o.a. Protection

Thermal Overload Protection

Low Bias Current On Regulation Pin

Low Standby Current Drain

Key Features of the L200CV Regulator:

1. Adjustable Output: The L200CV allows for adjustable output voltage regulation, offering flexibility in various applications.

2. Current Limiting: It incorporates current limiting functionality to protect the load and the regulator itself from excessive currents.

3. Thermal Protection: The IC includes built-in thermal shutdown protection, which helps prevent overheating and ensures safe operation.

4. Short Circuit Protection: The L200CV offers short circuit protection, safeguarding the circuit from damage in the event of a fault condition.

Equivalents and Possible Replacements:

In cases where the L200CV regulator is not available or is not suitable for a specific application, there might be alternative ICs that offer similar functionality. Some potential equivalents or replacements for the L200CV regulator include:

1. LM317: The LM317 is a widely-used adjustable voltage regulator capable of providing output voltages up to 37V. It offers current limiting and thermal protection features.

2. LM350: Similar to the LM317, the LM350 is an adjustable voltage regulator with higher output current capabilities, up to 3A. It also includes current limiting and thermal protection mechanisms.

3. LT1083: The LT1083 is a low dropout voltage linear regulator capable of delivering higher output currents, up to 7.5A. It provides adjustable output voltage, current limiting, and thermal shutdown features.

Block Diagram

SCHEMATIC DIAGRAM

The L200CV regulator from STMicroelectronics is a versatile voltage and current regulator commonly used in various electrical and electronic circuits. Its adjustable output, current limiting, and thermal protection features make it suitable for a wide range of applications. However, if the L200CV is not available or unsuitable for a particular project, there are alternatives such as the LM317, LM350, and LT1083 regulators that offer similar functionality. It is essential to consult datasheets and consider the specific requirements of your application when selecting a suitable replacement.