L78S10CV
2A positive linear voltage regulators in TO-220 package
Manufacturer： stm
series introduction
# Introduction to the L78S10CV Product Series
## 1. Overview
The L78S10CV product series belongs to the family of linear voltage regulators. These regulators are essential components in electronic circuits, providing a stable and regulated output voltage regardless of variations in the input voltage or load current. The L78S10CV series is specifically designed to offer a fixed output voltage of +10V, making it suitable for a wide range of applications where a reliable 10V power supply is required.
## 2. Key Features
### 2.1 High Output Voltage Accuracy
The L78S10CV regulators are engineered to deliver a highly accurate output voltage of +10V. This precision is crucial in applications where sensitive electronic components rely on a stable power source. The tight voltage regulation ensures that the connected devices operate within their specified voltage ranges, minimizing the risk of malfunctions or damage due to over - or under - voltage conditions.
### 2.2 Low Dropout Voltage
One of the significant advantages of the L78S10CV series is its relatively low dropout voltage. Dropout voltage is the minimum difference between the input voltage and the output voltage required for the regulator to maintain a stable output. A low dropout voltage allows the regulator to operate efficiently even when the input voltage is only slightly higher than the desired output voltage. This feature is particularly useful in battery - powered applications, where conserving battery life is essential.
### 2.3 Thermal Overload Protection
To prevent damage from excessive heat, the L78S10CV regulators are equipped with thermal overload protection. When the temperature of the regulator exceeds a certain threshold, the protection mechanism kicks in and reduces the output current or shuts down the regulator temporarily. This self - protection feature ensures the long - term reliability and durability of the device, even in high - temperature environments or under heavy load conditions.
### 2.4 Short - Circuit Protection
Short - circuit protection is another important safety feature of the L78S10CV series. In the event of a short - circuit at the output, the regulator automatically limits the output current to a safe level. This protects both the regulator itself and the connected electronic components from damage caused by excessive current flow.
### 2.5 Wide Input Voltage Range
The L78S10CV regulators can accept a wide range of input voltages. This flexibility allows them to be used in various power supply systems, whether it is a battery - based system with a relatively low input voltage or a mains - powered system with a higher input voltage. The ability to handle different input voltages makes the L78S10CV series a versatile choice for different applications.
## 3. Applications
### 3.1 Industrial Control Systems
In industrial control systems, precise and stable power supplies are essential for the proper operation of sensors, actuators, and control modules. The L78S10CV series can be used to provide a regulated 10V power source for these components, ensuring reliable and accurate control of industrial processes.
### 3.2 Automotive Electronics
Automotive electronics require power supplies that can withstand harsh environmental conditions, including temperature variations, vibrations, and electrical noise. The L78S10CV regulators, with their thermal and short - circuit protection features, are well - suited for automotive applications. They can be used to power various automotive subsystems, such as infotainment systems, engine control units, and lighting systems.
### 3.3 Telecommunications Equipment
Telecommunications equipment, such as routers, switches, and base stations, rely on stable power supplies to ensure uninterrupted communication. The L78S10CV series can be used to provide a regulated 10V power source for the internal circuits of these devices, helping to maintain the quality and reliability of
Images for reference
TO-220-3
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