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LM2576T-5.0
IC REG BUCK 5V 3A TO220-5
- Fabricant
- Mfr. Partie #LM2576T-5.0
- Paquet TO-220 (KC)-5
- Fiche de données
- En stock3879
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Spécifications
| Package | Tube |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 5V |
| Current-Output | 3A |
| Frequency-Switching | 52kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Through Hole |
| Package/Case | TO-220-5 |
Vue d'ensemble
Description
Key features include a wide input voltage range (7V to 40V), a fixed output voltage of 5V, and an on-chip frequency compensation for ease of use. It also offers internal thermal shutdown and current limit protection for safety and reliability. The LM2576T-5.0 is known for its simple design, requiring minimal external components, which makes it ideal for a variety of applications like power supplies for microcontrollers, industrial equipment, and consumer electronics.
The package type "T" indicates a TO-220 package, which efficiently dissipates heat, making it suitable for applications that require robust thermal performance. Overall, the LM2576T-5.0 is valued for its simplicity, reliability, and cost-effectiveness in DC-DC conversion tasks.
Features
1. Fixed Output Voltage: It delivers a fixed output voltage of 5.0V.
2. Output Current: Capable of driving up to 3A load with excellent line and load regulation.
3. Wide Input Voltage Range: Operates with an input voltage range from 7V to 40V.
4. High Efficiency: Typically achieves efficiency up to 88%, reducing heat generation and improving overall performance.
5. Simple Design: Requires only a few external components, making it suitable for compact circuit designs.
6. Integrated Features: Includes features such as a fixed-frequency oscillator, cycle-by-cycle current limiting, and thermal shutdown for reliable operation.
7. Low Quiescent Current: It has a low standby current, maximizing power savings in off-mode.
8. Standard TO-220 Package: Provided in a TO-220 package, facilitating easy installation and heat dissipation.
Overall, the LM2576T-5.0 is ideal for applications requiring efficient and stable voltage regulation with straightforward implementation.
Package
Pinout
1. Vin: Input voltage pin where the unregulated voltage is applied.
2. Output: Provides the regulated output voltage of 5.0V.
3. Ground: Common ground pin for the input, output, and feedback connections.
4. Feedback: Used to set the output voltage in adjustable regulators, but is internally connected for fixed versions like the 2576-5.0.
5. ON/OFF: This pin is used to enable or disable the regulator. A low signal (or connecting to ground) turns the regulator ON, while a high signal (or connecting to Vin) turns it OFF.
The LM2576T-5.0 is commonly used for step-down (buck) conversion in power supply applications due to its efficiency and simplicity.
Manufacturer
Application
Equivalent
1. L4971 by STMicroelectronics
2. MC34063 by ON Semiconductor
3. XL4015 by XLSEMI
4. LT1074 by Analog Devices
5. LM2676 by Texas Instruments
These alternatives vary in terms of current handling, efficiency, and features, so ensure compatibility with your application before substituting.
Expédition
Méthodes d'expéditionNous
offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.
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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