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L7812CD2T
+BOMIC REG LINEAR 12V 1.5A D2PAK
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ManufacturerSTMicroelectronics
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Mfr. Part #L7812CD2T
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Datasheet L7812CD2T DataSheet
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Package TO-263-3
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In Stock2236
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Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 35V |
| Voltage-Output(Min/Fixed) | 12V |
| VoltageDropout(Max) | 2V @ 1A (Typ) |
| Current-Output | 1.5A |
| Current-Quiescent(Iq) | 8 mA |
| PSRR | 55dB (120Hz) |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |
Overview
Description
The L7812CD2T is a voltage regulator integrated circuit (IC) designed to provide a stable 12V output from a higher voltage input. It is part of the 78xx series of linear voltage regulators, which are widely used for power management in electronic circuits. The L7812CD2T typically comes in a TO-220 package, making it easy to mount on a heatsink for thermal management.
Key features of the L7812CD2T include:
1. Output Voltage: It provides a fixed output voltage of 12V.
2. Output Current: Capable of delivering up to 1.5A of output current.
3. Input Voltage: Requires an input voltage of about 14.5V to 35V.
4. Protection Features: Includes built-in protection against over-current and over-temperature conditions.
5. Thermal Protection: Equipped with thermal shutdown capabilities to prevent damage from overheating.
6. Short-Circuit Protection: Safeguards against output short-circuits.
The L7812CD2T is commonly used in applications like power supplies, electronics projects, and embedded systems where a reliable 12V power source is necessary.
Key features of the L7812CD2T include:
1. Output Voltage: It provides a fixed output voltage of 12V.
2. Output Current: Capable of delivering up to 1.5A of output current.
3. Input Voltage: Requires an input voltage of about 14.5V to 35V.
4. Protection Features: Includes built-in protection against over-current and over-temperature conditions.
5. Thermal Protection: Equipped with thermal shutdown capabilities to prevent damage from overheating.
6. Short-Circuit Protection: Safeguards against output short-circuits.
The L7812CD2T is commonly used in applications like power supplies, electronics projects, and embedded systems where a reliable 12V power source is necessary.
Equivalent
The L7812CD2T is a 12V voltage regulator. Equivalent products include:
1. LM7812 from Texas Instruments.
2. UA7812 from Fairchild Semiconductor.
3. MC7812 from ON Semiconductor.
4. NTE960 from NTE Electronics.
These components typically have similar pin configurations and electrical characteristics suitable for replacing the L7812CD2T in most applications. Always check the datasheets for exact specifications and compatibility.
1. LM7812 from Texas Instruments.
2. UA7812 from Fairchild Semiconductor.
3. MC7812 from ON Semiconductor.
4. NTE960 from NTE Electronics.
These components typically have similar pin configurations and electrical characteristics suitable for replacing the L7812CD2T in most applications. Always check the datasheets for exact specifications and compatibility.
Features
The L7812CD2T is a voltage regulator from the L78 series, designed to provide a stable 12V output voltage. Here are its key features:
1. Output Voltage: Fixed at 12V.
2. Current Capability: Delivers up to 1.5A of output current.
3. Input Voltage: Requires a higher input voltage than the output for proper regulation, typically between 14.5V and 35V.
4. Thermal Protection: Includes built-in protection against overheating.
5. Short-Circuit Protection: Designed to handle short-circuit conditions safely.
6. Overvoltage Protection: Protects against voltage spikes.
7. Pin Configuration: Typically includes input, output, and ground pins.
8. Package Type: Available in D²PAK packaging, suitable for surface mounting.
9. Temperature Range: Operates efficiently within a wide temperature range, often from -40°C to +125°C.
10. Applications: Used in power supply circuits, consumer electronics, and other applications requiring regulated 12V output.
These features make the L7812CD2T a reliable choice for ensuring stable power supply in various electronic applications.
1. Output Voltage: Fixed at 12V.
2. Current Capability: Delivers up to 1.5A of output current.
3. Input Voltage: Requires a higher input voltage than the output for proper regulation, typically between 14.5V and 35V.
4. Thermal Protection: Includes built-in protection against overheating.
5. Short-Circuit Protection: Designed to handle short-circuit conditions safely.
6. Overvoltage Protection: Protects against voltage spikes.
7. Pin Configuration: Typically includes input, output, and ground pins.
8. Package Type: Available in D²PAK packaging, suitable for surface mounting.
9. Temperature Range: Operates efficiently within a wide temperature range, often from -40°C to +125°C.
10. Applications: Used in power supply circuits, consumer electronics, and other applications requiring regulated 12V output.
These features make the L7812CD2T a reliable choice for ensuring stable power supply in various electronic applications.
Pinout
The L7812CD2T is a linear voltage regulator integrated circuit. It is part of the L78 series of three-terminal regulators. The primary function of the L7812CD2T is to provide a stable 12V output voltage from a higher input voltage, typically ranging from 14.5V to 35V. It offers current outputs up to 1.5A.
The pin count for the L7812CD2T package is typically three pins, configured as follows:
1. Input (VIN): This pin receives the unregulated input voltage. The input voltage must be at least 2V higher than the desired output voltage to ensure proper regulation.
2. Ground (GND): This pin is connected to the ground of both the input and output circuits. It serves as a reference point for the voltage levels and current flow in the circuit.
3. Output (VOUT): This pin provides the regulated 12V output voltage. It supplies power to the load connected to the regulator.
The L7812CD2T offers protection features such as thermal shutdown and current limiting, ensuring reliability and safety during operation.
The pin count for the L7812CD2T package is typically three pins, configured as follows:
1. Input (VIN): This pin receives the unregulated input voltage. The input voltage must be at least 2V higher than the desired output voltage to ensure proper regulation.
2. Ground (GND): This pin is connected to the ground of both the input and output circuits. It serves as a reference point for the voltage levels and current flow in the circuit.
3. Output (VOUT): This pin provides the regulated 12V output voltage. It supplies power to the load connected to the regulator.
The L7812CD2T offers protection features such as thermal shutdown and current limiting, ensuring reliability and safety during operation.
Manufacturer
The L7812CD2T is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is recognized for designing and producing a wide range of semiconductor devices, including integrated circuits and discrete components used in various electronic applications. The company serves multiple industries, including automotive, industrial, personal electronics, and communications. STMicroelectronics is known for its innovation and technology leadership in the semiconductor industry, emphasizing research and development to advance its product offerings.
Application
The L7812CD2T is a three-terminal positive voltage regulator that provides a fixed 12V output. Its application areas include:
1. Power Supply Regulation: Used in electronic devices to provide stable 12V power, preventing fluctuations.
2. Embedded Systems: Provides consistent voltage levels for microcontrollers and other components.
3. Consumer Electronics: Powers devices like televisions, DVD players, and set-top boxes.
4. Industrial Applications: Used in control systems and instrumentation that require reliable voltage levels.
5. Automotive Electronics: Powers various automotive systems by providing a stable voltage from the car battery.
6. Communications Equipment: Ensures stable power supply for radios and networking devices.
These regulators are vital for circuits needing consistent voltage levels.
1. Power Supply Regulation: Used in electronic devices to provide stable 12V power, preventing fluctuations.
2. Embedded Systems: Provides consistent voltage levels for microcontrollers and other components.
3. Consumer Electronics: Powers devices like televisions, DVD players, and set-top boxes.
4. Industrial Applications: Used in control systems and instrumentation that require reliable voltage levels.
5. Automotive Electronics: Powers various automotive systems by providing a stable voltage from the car battery.
6. Communications Equipment: Ensures stable power supply for radios and networking devices.
These regulators are vital for circuits needing consistent voltage levels.
Package
The L7812CD2T is a voltage regulator typically packaged in a D2PAK (also known as TO-263) form. This surface-mount package is designed for efficient heat dissipation and is commonly used for power regulation in electronic devices.
