Allicdata Part #: | 497-17936-ND |
Manufacturer Part#: |
L78M12CV-DG |
Price: | $ 0.42 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC REG LINEAR 12V 500MA TO220 |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | L78M12CV-DG Datasheet/PDF |
Quantity: | 3928 |
1 +: | $ 0.38430 |
10 +: | $ 0.34020 |
100 +: | $ 0.26063 |
500 +: | $ 0.20601 |
1000 +: | $ 0.16481 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Output Configuration: | Positive |
Output Type: | Fixed |
Number of Regulators: | 1 |
Voltage - Input (Max): | 35V |
Voltage - Output (Min/Fixed): | 12V |
Voltage - Output (Max): | -- |
Voltage Dropout (Max): | -- |
Current - Output: | 500mA |
Current - Quiescent (Iq): | 6mA |
PSRR: | 55dB (120Hz) |
Control Features: | -- |
Protection Features: | Over Current, Over Temperature, Short Circuit |
Operating Temperature: | 0°C ~ 150°C |
Mounting Type: | Through Hole |
Package / Case: | TO-220-3 |
Supplier Device Package: | TO-220 |
Base Part Number: | L78M12 |
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The L78M12CV-DG is a three-terminal 12V voltage regulator device. It is part of the linear voltage regulator family of Power Management Integrated Circuits (PMICs) produced by STMicroelectronics. It provides an efficient and reliable regulating solution for applications that require an output voltage between 4.5V and 12V, such as microcontrollers, general-purpose analog/digital circuits, linear/switched-mode power supplies, as well as battery-powered systems.
Application Field and Working Principle
This linear voltage regulator is best suited to applications that require a fixed output voltage for many hours or days at a time, such as in microcontroller circuits or other power-sensitive devices. Its output voltage is determined by an external resistive divider, and can be adjusted over the range of 4.5V to 12V with a maximum output current of 1A. It is also designed to secure against excessive output voltage and current by implementing both over-voltage and over-current protections. Furthermore, it is capable of achieving very low levels of output voltage ripple and noise, making it suitable for applications that require precision levels of output power.
The L78M12CV-DG linear voltage regulator operates as a series regulator. In a series regulator, the output voltage is determined solely by the ratio of two resistors, called a voltage divider, connected between the output and the adjustment terminal. This method of regulation means that the output voltage is proportional to the input voltage, and can be adjusted to the desired value. The built-in under-voltage lock-out circuit ensures that the regulator operates only when an adequate input voltage is applied to the input, and the thermal shutdown circuit protects the device from any thermal runaway conditions.
The L78M12CV-DG linear voltage regulator also features a wide range of features designed to ensure enhanced reliability and efficiency. It has a low quiescent current consumption for improved power efficiency, as well as optimized transient response for improved load changes. In addition, it is designed to operate over a wide input voltage range, making it suitable for applications that are subject to large fluctuations in power supply voltage. It also includes a power indicator LED to indicate the presence of a valid supply voltage.
The L78M12CV-DG voltage regulator can be used in a variety of applications, ranging from industrial, automotive, and consumer electronics to medical, telecommunication, and energy production. It is suitable for use in applications that require an output voltage of 4.5V to 12V, and can provide up to 1A of output current. Thanks to its adjustable voltage, wide input voltage range, low quiescent current consumption, optimized transient response, and over-current and over-voltage protections, it is a reliable and efficient solution for many power management needs.
The specific data is subject to PDF, and the above content is for reference
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