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LM2576T-ADJ
IC REG MULT CONFG ADJ 3A TO220-5
- Fabricante
- Mfr. Parte #LM2576T-ADJ
- Paquete TO-220 (KC)-5
- Hoja de datos
- En stock4513
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Especificaciones
| Package | Tube,Tube |
| ProductStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive or Negative |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 7V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.23V |
| Voltage-Output(Max) | 37V |
| Current-Output | 3A |
| Frequency-Switching | 52kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Through Hole |
| Package/Case | TO-220-5 |
Descripción general
Description
Key features of the LM2576T-ADJ include high efficiency, typically over 80%, and a wide input voltage range of 4V to 40V. It operates at a fixed frequency of 52 kHz, simplifying the design of external filters to reduce electromagnetic interference (EMI). The regulator also includes built-in features such as thermal shutdown, current limiting, and an ON/OFF control for improved safety and efficiency.
The LM2576T-ADJ is popular for its ease of use, requiring few external components, and is available in a TO-220 package, which provides good thermal performance. This makes it a versatile choice for both hobbyists and professional engineers seeking a reliable power management solution.
Features
1. Adjustable Output Voltage: Provides an adjustable output voltage range from 1.23V to 37V, allowing flexibility for various applications.
2. High Efficiency: Offers up to 90% efficiency, which minimizes heat generation and improves energy savings.
3. Output Current: Capable of delivering up to 3A of output current, suitable for many power supply needs.
4. Wide Input Voltage Range: Supports an input voltage range from 4V to 40V, accommodating different power sources.
5. Fixed Switching Frequency: Operates at a fixed frequency of 52 kHz to reduce noise and improve reliability.
6. Thermal Shutdown and Current Limiting: Features built-in protections against overheating and overcurrent, enhancing device safety and longevity.
7. Minimal External Components: Requires few external components, simplifying the design and reducing overall system cost.
8. Versatile Applications: Ideal for use in various applications, including telecommunications, automotive, and industrial power supplies.
These features make the LM2576T-ADJ a popular choice for efficient, reliable, and adjustable voltage regulation solutions.
Package
Pinout
The LM2576T-ADJ comes in a TO-220 package and typically has five pins. Here’s a brief description of each pin's function:
1. VIN (Input Voltage): This pin is for the input voltage supply to the regulator.
2. OUTPUT: This pin is the regulated output voltage. It connects to the load and provides the regulated voltage.
3. GND (Ground): This pin is the common ground pin for both input and output, serving as a reference point for the IC.
4. FEEDBACK (FB): This pin is used to set the output voltage. It provides feedback to the internal comparator to adjust the output to the desired level.
5. ON/OFF (Shutdown): This pin is used to enable or disable the regulator. A low voltage on this pin turns the regulator off, reducing power consumption.
These pins work together to provide efficient voltage regulation with minimal external components.
Manufacturer
Application
Equivalent
1. LM2596T-ADJ: Similar adjustable voltage regulator with higher efficiency.
2. MC34063: A flexible DC-DC converter with adjustable output capability.
3. L4970A: A step-down regulator with comparable features.
4. XL4015: A high-current step-down adjustable module.
5. L7805CV: If a fixed output is acceptable, this can be considered for specific voltage needs.
These alternatives offer similar functionality with variations in current rating, efficiency, and package type. Always check specific datasheets for detailed comparisons.
Envío
Métodos de envíoNosotros
ofrecer servicios de envío globales a través de DHL, FedEx, TNT, UPS, o cualquier otro expediente de su elección.
Referencia de tarifas de envío (DHL/FedEx):
DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.
FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.
Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.
Pagos
Payment Methods
El plazo de pago es 100% prepagado.
Actualmente, solo aceptamos los siguientes métodos de pago:
1. de PayPal
2. Tarjeta de crédito/débito
3. Transferencia bancaria
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