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LM2575HVT-12
+NomenclatureIC REG BUCK 12V 1A TO220-5
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FabricantTexas Instruments
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Pièce fabricant #LM2575HVT-12
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Fiche technique LM2575HVT-12 DataSheet
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En stock7993
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Spécifications
| Attribut | Valeur |
| Series | SIMPLE SWITCHER® |
| PartStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4V |
| Voltage-Input(Max) | 60V |
| Voltage-Output(Min/Fixed) | 12V |
| Current-Output | 1A |
| Frequency-Switching | 52kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Through Hole |
| Package/Case | TO-220-5 |
| SupplierDevicePackage | TO-220-5 |
| BaseProductNumber | LM2575 |
Présentation
Description
The LM2575HVT-12 is a step-down (buck) voltage regulator designed for efficient power conversion in various electronic applications. It provides a fixed output voltage of 12V and can handle input voltages ranging from 14V to 40V, making it suitable for automotive and industrial power supply systems.
This regulator can deliver up to 1A of output current and features a high efficiency of up to 90%, which helps reduce heat generation and increases overall system reliability. The LM2575HVT-12 includes built-in protection features, such as thermal shutdown and current limiting, ensuring safe operation under various load conditions.
The device is available in a TO-220 or surface-mount package, making it easy to integrate into different designs. With its simplicity and robustness, the LM2575HVT-12 is widely used in applications like battery chargers, DC-DC converters, and power management systems, where stable and reliable voltage conversion is crucial.
This regulator can deliver up to 1A of output current and features a high efficiency of up to 90%, which helps reduce heat generation and increases overall system reliability. The LM2575HVT-12 includes built-in protection features, such as thermal shutdown and current limiting, ensuring safe operation under various load conditions.
The device is available in a TO-220 or surface-mount package, making it easy to integrate into different designs. With its simplicity and robustness, the LM2575HVT-12 is widely used in applications like battery chargers, DC-DC converters, and power management systems, where stable and reliable voltage conversion is crucial.
Equivalent
Equivalent products to the LM2575HVT-12 include:
1. LM2576-12
2. LM2596-12
3. L78S12
4. MIC2941
5. TPS54360
These alternatives may vary in specifications such as output current, voltage, and efficiency, so it's essential to check the datasheets for compatibility with your application.
1. LM2576-12
2. LM2596-12
3. L78S12
4. MIC2941
5. TPS54360
These alternatives may vary in specifications such as output current, voltage, and efficiency, so it's essential to check the datasheets for compatibility with your application.
Features
The LM2575HVT-12 is a step-down voltage regulator designed for efficient power conversion. Key features include:
1. Output Voltage: Fixed output of 12V with a tolerance of ±4%.
2. Input Voltage Range: Accepts a wide input voltage range from 14V to 40V.
3. Output Current: Capable of delivering up to 1A of load current.
4. Efficiency: High efficiency (up to 90%) reduces heat generation, allowing for compact designs.
5. Switching Frequency: Operates at a fixed frequency of 52kHz, enabling the use of smaller inductors and capacitors.
6. Thermal Shutdown: Integrated thermal protection prevents damage from overheating.
7. Short-Circuit Protection: Provides internal current limiting to protect against overload conditions.
8. TO-220 Package: Available in a TO-220 package for easy heatsinking and assembly.
These features make the LM2575HVT-12 suitable for various applications, including automotive, consumer electronics, and industrial equipment.
1. Output Voltage: Fixed output of 12V with a tolerance of ±4%.
2. Input Voltage Range: Accepts a wide input voltage range from 14V to 40V.
3. Output Current: Capable of delivering up to 1A of load current.
4. Efficiency: High efficiency (up to 90%) reduces heat generation, allowing for compact designs.
5. Switching Frequency: Operates at a fixed frequency of 52kHz, enabling the use of smaller inductors and capacitors.
6. Thermal Shutdown: Integrated thermal protection prevents damage from overheating.
7. Short-Circuit Protection: Provides internal current limiting to protect against overload conditions.
8. TO-220 Package: Available in a TO-220 package for easy heatsinking and assembly.
These features make the LM2575HVT-12 suitable for various applications, including automotive, consumer electronics, and industrial equipment.
Pinout
The LM2575HVT-12 is a buck switching regulator with a total of 5 pins. The pin configuration and their functions are as follows:
1. Input (VIN): Connects to the input voltage source (typically 12V).
2. Output (VOUT): Provides the regulated output voltage (fixed at 12V in this variant).
3. Ground (GND): Connects to the system ground.
4. Feedback (FB): Used for voltage feedback; in this fixed-output version, it is internally connected.
5. Switch (SW): Connects to the inductor and is where the internal switch connects to the load.
The LM2575HVT-12 is designed for step-down (buck) conversion, efficiently converting a higher input voltage to a lower output voltage, making it suitable for various applications in power management.
1. Input (VIN): Connects to the input voltage source (typically 12V).
2. Output (VOUT): Provides the regulated output voltage (fixed at 12V in this variant).
3. Ground (GND): Connects to the system ground.
4. Feedback (FB): Used for voltage feedback; in this fixed-output version, it is internally connected.
5. Switch (SW): Connects to the inductor and is where the internal switch connects to the load.
The LM2575HVT-12 is designed for step-down (buck) conversion, efficiently converting a higher input voltage to a lower output voltage, making it suitable for various applications in power management.
Manufacturer
The LM2575HVT-12 is manufactured by Texas Instruments (TI), a leading semiconductor company. Founded in 1930, Texas Instruments specializes in designing and manufacturing a wide range of analog and embedded processing chips. The company is well-known for its innovations in the field of integrated circuits and is a key player in the development of various technologies, including power management, signal processing, and embedded solutions.
Texas Instruments serves a diverse customer base, providing solutions for industries such as automotive, industrial, communications, consumer electronics, and personal electronics. TI is recognized for its commitment to quality, reliability, and technological advancement. Their products, including the LM2575HVT-12, are widely used in various applications for voltage regulation and power supply management, showcasing their significance in electronic design and development.
Texas Instruments serves a diverse customer base, providing solutions for industries such as automotive, industrial, communications, consumer electronics, and personal electronics. TI is recognized for its commitment to quality, reliability, and technological advancement. Their products, including the LM2575HVT-12, are widely used in various applications for voltage regulation and power supply management, showcasing their significance in electronic design and development.
Application
The LM2575HVT-12 is a step-down (buck) voltage regulator commonly used in various applications, including:
1. Power Supply for Microcontrollers: Provides a stable 12V output for powering microcontrollers and digital logic circuits.
2. Battery Chargers: Used in charging circuits for batteries, offering efficient voltage regulation.
3. LED Drivers: Powers LED arrays with a consistent output voltage.
4. Industrial Automation: Supplies power to sensors and actuators in control systems.
5. Telecommunications: Regulates voltage for communication equipment and devices.
6. Consumer Electronics: Used in devices requiring a stable 12V supply for operation.
Its efficiency and simplicity make it ideal for these applications.
1. Power Supply for Microcontrollers: Provides a stable 12V output for powering microcontrollers and digital logic circuits.
2. Battery Chargers: Used in charging circuits for batteries, offering efficient voltage regulation.
3. LED Drivers: Powers LED arrays with a consistent output voltage.
4. Industrial Automation: Supplies power to sensors and actuators in control systems.
5. Telecommunications: Regulates voltage for communication equipment and devices.
6. Consumer Electronics: Used in devices requiring a stable 12V supply for operation.
Its efficiency and simplicity make it ideal for these applications.
Package
The LM2575HVT-12 is typically available in a TO-220 package type. This package provides good thermal performance and is designed for easy mounting on a heatsink, suitable for various power supply applications.
