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L7812CV
+NomenclatureIC REG LINEAR 12V 1.5A TO220AB
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FabricantSemi - conducteurs optiques
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Pièce fabricant #L7812CV
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Fiche technique L7812CV DataSheet
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Package TO-220
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En stock3561
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| ProductStatus | Active |
| 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 | Through Hole |
| Package/Case | TO-220-3 |
Présentation
Description
This IC is known for its simplicity, reliability, and ease of use. It features built-in protection mechanisms, including current limiting, thermal shutdown, and safe area protection, which help prevent damage during overcurrent or overheating conditions. The L7812CV can deliver an output current of up to 1.5A, making it suitable for moderate power applications. It is commonly used in power supplies for consumer electronics, industrial equipment, and DIY projects. Overall, the L7812CV is a robust and versatile component for maintaining a consistent 12V power supply in various electronic systems.
Equivalent
Features
1. Output Voltage: 12V with a tolerance of typically ±2%.
2. Output Current: Can deliver up to 1.5A.
3. Thermal Overload Protection: Built-in to prevent damage from overheating.
4. Short Circuit Protection: Protects the device by limiting the output current during a short circuit.
5. Output Transistor Safe Area Protection: Ensures reliability under various operational conditions.
6. Internal Current Limiting: Automatically limits current to prevent excessive load.
7. Dropout Voltage: Typically around 2V to maintain regulation.
8. Input Voltage Range: Typically from 14.5V to 35V.
9. Package: Available in TO-220 and other form factors, facilitating easy mounting and heat dissipation.
10. Stability: Requires minimal external components for stable output.
The L7812CV is widely used in power supply circuits due to its reliability and simplicity.
Pinout
1. Pin 1 (Input): This pin receives the input voltage that needs to be regulated. The input voltage should be higher than 12V to ensure proper regulation.
2. Pin 2 (Ground): This is the common ground pin and serves as the reference point for both the input and output voltages.
3. Pin 3 (Output): This pin provides the regulated 12V output voltage. It can deliver up to 1.5A of current, making it suitable for various applications.
The L7812CV is commonly used in power supply circuits to provide a stable 12V output from a higher input voltage. It includes features like thermal overload protection and short-circuit protection, enhancing its reliability in electronic circuits.