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LM7812CT
IC REG LINEAR 12V 1A TO220-3
- Fabricant
- Mfr. Partie #LM7812CT
- Paquet TO-220-3
- Fiche de données
- En stock5495
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Spécifications
| 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 | 1A |
| Current-Quiescent(Iq) | 8 mA |
| PSRR | 71dB (120Hz) |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
Vue d'ensemble
Description
Key features of the LM7812CT include:
1. Output Voltage: Provides a fixed 12V output.
2. Input Voltage Range: Typically requires an input voltage of 14.5V to 35V for proper operation.
3. Output Current: Can supply up to 1.5A of current.
4. Protection Features: Built-in protection against overheating, overcurrent, and short-circuits.
5. Temperature Range: Operates effectively in a range from 0°C to 125°C.
Applications include power supply units, microcontroller-based projects, and any application requiring a stable 12V output. Its simplicity and reliability make it a favored choice among hobbyists and professionals.
Features
1. Output Voltage: Fixed at 12V, making it ideal for powering devices requiring a steady 12V supply.
2. Output Current: Can provide up to 1.5A, suitable for various medium-power applications.
3. Input Voltage Range: Typically requires an input voltage ranging from about 14.5V to 35V to function properly.
4. Thermal Overload Protection: Safeguards the device against overheating by shutting down the output when excessive temperature is detected.
5. Short-Circuit Protection: Includes current limiting to protect both the regulator and the load from short circuits.
6. Safe Operating Area Protection: Ensures the device operates within its safe limits, preventing damage due to excessive power dissipation.
7. Dropout Voltage: Generally around 2V, meaning the input must be at least 14V to maintain a stable 12V output.
8. TO-220 Package: Comes in a standard TO-220 package, facilitating easy mounting and heat dissipation.
These features make the LM7812CT a reliable choice for various electronic projects and applications requiring a fixed 12V supply.
Package
Pinout
1. Input (Pin 1): This is where the unregulated input voltage is applied. The voltage must be higher than the desired output (12V) plus the dropout voltage.
2. Ground (Pin 2): This pin is connected to the ground of the circuit and serves as a reference point for the input and output voltages.
3. Output (Pin 3): This pin provides the regulated output voltage of 12V.
The main function of the LM7812CT is to convert a varying input voltage into a stable 12V output, suitable for powering electronic circuits. It achieves this by maintaining a constant output voltage despite changes in input voltage or output load conditions, as long as the input is within the specified range.
Manufacturer
- Texas Instruments (TI): TI is a global semiconductor design and manufacturing company that develops analog and embedded processing chips.
- ON Semiconductor: Now known as onsemi, this company focuses on energy-efficient innovations, offering a broad array of power and signal management, logic, discrete, and custom devices.
- STMicroelectronics: STMicroelectronics is a global semiconductor leader delivering intelligent and energy-efficient products and solutions that power electronics at the heart of everyday life.
Each of these companies is significant in the semiconductor industry, providing a wide range of electronic components beyond voltage regulators like the LM7812CT.
Application
Equivalent
Expédition
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Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
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