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LM2576HVS-ADJ
+NomenclatureIC REG BUCK ADJ 3A TO263-5
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FabricantTexas Instruments
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Pièce fabricant #LM2576HVS-ADJ
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Package TO-263 (KTT)-5
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En stock7139
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Spécifications
| Attribut | Valeur |
| Package | Tube,Tube |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4V |
| Voltage-Input(Max) | 60V |
| Voltage-Output(Min/Fixed) | 1.23V |
| Voltage-Output(Max) | 57V |
| Current-Output | 3A |
| Frequency-Switching | 52kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
Présentation
Description
The LM2576HVS-ADJ is a high-efficiency, step-down (buck) voltage regulator from Texas Instruments, designed for applications requiring a wide input voltage range and adjustable output. It is part of the LM2576 series, notable for its ability to provide a constant output voltage with a minimal number of external components, simplifying circuit design.
Key features include:
1. Wide Input Voltage Range: Capable of handling input voltages up to 60V, making it suitable for high-voltage applications.
2. Adjustable Output Voltage: The output voltage can be adjusted from 1.23V to 57V using an external resistor divider, allowing flexibility for various applications.
3. Output Current: Delivers up to 3A of continuous output current, accommodating a variety of power needs.
4. Efficiency: High efficiency due to its switching frequency of 52 kHz, resulting in lower heat generation and reduced power losses.
5. Protection Features: Includes features like thermal shutdown and current limiting to enhance reliability and protect the device from damage.
The LM2576HVS-ADJ is ideal for use in power supply solutions for industrial, automotive, and consumer electronics.
Key features include:
1. Wide Input Voltage Range: Capable of handling input voltages up to 60V, making it suitable for high-voltage applications.
2. Adjustable Output Voltage: The output voltage can be adjusted from 1.23V to 57V using an external resistor divider, allowing flexibility for various applications.
3. Output Current: Delivers up to 3A of continuous output current, accommodating a variety of power needs.
4. Efficiency: High efficiency due to its switching frequency of 52 kHz, resulting in lower heat generation and reduced power losses.
5. Protection Features: Includes features like thermal shutdown and current limiting to enhance reliability and protect the device from damage.
The LM2576HVS-ADJ is ideal for use in power supply solutions for industrial, automotive, and consumer electronics.
Equivalent
The LM2576HVS-ADJ is a high-voltage step-down voltage regulator. Equivalent products include:
1. LM2596HVS-ADJ - A similar adjustable voltage regulator with higher current capacity.
2. XL4015 - A step-down adjustable voltage regulator with comparable specs.
3. MC34063A - A widely used DC-DC converter that can be configured as a step-down regulator.
4. L4971 - Another step-down switching regulator with adjustable output.
Check datasheets to confirm compatibility with your specific application requirements.
1. LM2596HVS-ADJ - A similar adjustable voltage regulator with higher current capacity.
2. XL4015 - A step-down adjustable voltage regulator with comparable specs.
3. MC34063A - A widely used DC-DC converter that can be configured as a step-down regulator.
4. L4971 - Another step-down switching regulator with adjustable output.
Check datasheets to confirm compatibility with your specific application requirements.
Features
The LM2576HVS-ADJ is a high-voltage adjustable version of the LM2576 series of monolithic integrated circuits. It functions as a step-down (buck) voltage regulator, designed to provide up to 3A output current with high efficiency. Key features include:
1. Adjustable Output Voltage: Can be set from 1.23V to 57V using external resistors.
2. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for a variety of applications.
3. Efficiency: Up to 90%, depending on the input/output voltage and current conditions.
4. Switching Frequency: Fixed at 52 kHz to minimize external component size.
5. Thermal Shutdown and Current Limit Protection: Ensures the device is protected against overloads and overheating.
6. Low Standby Current: Reduces power consumption during idle states.
7. Requires Few External Components: Simplifies the design and reduces the overall cost of the application.
These features make the LM2576HVS-ADJ ideal for use in automotive, industrial, and battery-powered applications.
1. Adjustable Output Voltage: Can be set from 1.23V to 57V using external resistors.
2. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for a variety of applications.
3. Efficiency: Up to 90%, depending on the input/output voltage and current conditions.
4. Switching Frequency: Fixed at 52 kHz to minimize external component size.
5. Thermal Shutdown and Current Limit Protection: Ensures the device is protected against overloads and overheating.
6. Low Standby Current: Reduces power consumption during idle states.
7. Requires Few External Components: Simplifies the design and reduces the overall cost of the application.
These features make the LM2576HVS-ADJ ideal for use in automotive, industrial, and battery-powered applications.
Pinout
The LM2576HVS-ADJ is a high-voltage step-down voltage regulator integrated circuit with a pin count of 5. It is designed to provide a flexible and efficient solution for converting a higher input voltage to a lower output voltage. Here are the functions of each pin:
1. VIN (Pin 1): This is the input pin for the LM2576HVS-ADJ where the unregulated voltage supply is connected.
2. Output (Pin 2): This pin provides the regulated output voltage. It is connected to the load and the output voltage feedback loop.
3. Ground (Pin 3): This pin is the ground reference for the IC and is connected to the system ground.
4. Feedback (Pin 4): This pin is used to set and monitor the output voltage. A resistor divider connected to this pin allows the output voltage to be adjusted.
5. ON/OFF (Pin 5): This is the shutdown pin. By controlling the voltage level at this pin, the regulator can be turned on or off to save power.
The LM2576HVS-ADJ is widely used for its adjustable output and efficiency in various applications requiring step-down voltage regulation.
1. VIN (Pin 1): This is the input pin for the LM2576HVS-ADJ where the unregulated voltage supply is connected.
2. Output (Pin 2): This pin provides the regulated output voltage. It is connected to the load and the output voltage feedback loop.
3. Ground (Pin 3): This pin is the ground reference for the IC and is connected to the system ground.
4. Feedback (Pin 4): This pin is used to set and monitor the output voltage. A resistor divider connected to this pin allows the output voltage to be adjusted.
5. ON/OFF (Pin 5): This is the shutdown pin. By controlling the voltage level at this pin, the regulator can be turned on or off to save power.
The LM2576HVS-ADJ is widely used for its adjustable output and efficiency in various applications requiring step-down voltage regulation.
Manufacturer
The LM2576HVS-ADJ is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits and systems-on-chip. TI serves various industries such as industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is known for its innovation and extensive portfolio of analog and embedded processing products.
Application
The LM2576HVS-ADJ is a high-voltage adjustable voltage regulator commonly used in applications requiring efficient step-down (buck) conversion. Key application areas include:
1. Industrial Power Supplies: Provides stable voltage for industrial equipment.
2. Battery-Powered Systems: Ideal for extending battery life by maintaining efficient power conversion.
3. Automotive Electronics: Used in vehicle systems for reliable power regulation.
4. Telecommunications: Supports stable power supply for communication devices.
5. Consumer Electronics: Powers various home and portable electronics.
6. Embedded Systems: Provides precise voltage regulation for embedded control systems.
These applications benefit from its high efficiency, wide input voltage range, and adjustable output.
1. Industrial Power Supplies: Provides stable voltage for industrial equipment.
2. Battery-Powered Systems: Ideal for extending battery life by maintaining efficient power conversion.
3. Automotive Electronics: Used in vehicle systems for reliable power regulation.
4. Telecommunications: Supports stable power supply for communication devices.
5. Consumer Electronics: Powers various home and portable electronics.
6. Embedded Systems: Provides precise voltage regulation for embedded control systems.
These applications benefit from its high efficiency, wide input voltage range, and adjustable output.
Package
The LM2576HVS-ADJ is typically available in a TO-220 package. This package type is well-suited for power applications, providing efficient heat dissipation and ease of mounting on circuit boards.
