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L7812CV-DG
+Lista de MateriaisIC REG LINEAR 12V 1.5A TO220
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FabricanteSTMicroeletrônica
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Peça do Fabricante #L7812CV-DG
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Ficha Técnica L7812CV-DG DataSheet
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Pacote TO220-3
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Especificações
| Atributo | Valor |
| 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 |
Visão Geral
Description
Key features of the L7812CV-DG include internal current limiting, thermal shutdown, and safe area protection, ensuring performance stability across different conditions. It operates within a wide input voltage range, typically between 14.5V and 35V, making it versatile for various circuit designs.
The TO-220 package of the L7812CV-DG facilitates easy mounting and effective heat dissipation. This voltage regulator is widely used in power supply designs, embedded systems, and consumer electronics. It is appreciated for its ease of use, minimal external components requirement, and reliable performance, making it a staple in both professional and hobbyist electronic projects.
Equivalent
Features
1. Output Current: It can deliver up to 1.5A of output current.
2. Thermal Overload Protection: Built-in to prevent damage due to overheating.
3. Short-Circuit Protection: Protects against output short circuits.
4. Safe Operating Area Protection: Ensures reliable operation by maintaining the device within safe operating limits.
5. Dropout Voltage: Typically around 2V, allowing for efficient regulation.
6. Temperature Range: Operates effectively over a wide temperature range, ensuring versatility in various environments.
7. Mounting Style: Typically comes in a TO-220 package, suitable for heat dissipation.
This regulator is commonly used in power supply systems to provide a consistent 12V output from higher DC sources, making it ideal for a variety of electronic applications where stable voltage is crucial.
Pinout
The pin configuration for the L7812CV-DG is as follows:
1. Input (Pin 1): This is where the unregulated input voltage is applied. The input voltage must be higher than 12V for the regulator to function correctly, typically above 14V to account for dropout voltage.
2. Ground (Pin 2): This is the common ground pin, serving as the reference point for the input and output voltages.
3. Output (Pin 3): This pin provides the regulated 12V output.
In addition to voltage regulation, the L7812CV-DG offers protection features such as thermal overload protection, short-circuit protection, and safe area protection, making it robust and reliable for various applications.