사양
| 속성 | 가치 |
| 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) | 60V |
| Voltage-Output(Min/Fixed) | 5V |
| 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 |
개요
Description
The LM2576HVS-5.0 is a high-efficiency voltage regulator from Texas Instruments, designed for step-down (buck) applications. It is part of the LM2576 series, which is known for its simplicity and reliability in converting higher input voltages into stable, lower output voltages. This specific model, LM2576HVS-5.0, outputs a fixed 5.0V voltage and can handle an input voltage range up to 60V, making it suitable for high-voltage environments.
Key features of the LM2576HVS-5.0 include:
- A fixed output voltage of 5.0V.
- An output current up to 3A.
- A switching frequency of 52 kHz, allowing for smaller external components and a more compact design.
- Integrated thermal shutdown, current limiting, and an on/off control for efficient power management.
- High efficiency, typically around 77%, which reduces heat generation and energy loss.
The regulator is commonly used in applications such as power supplies for industrial equipment, automotive systems, and other electronic devices requiring stable 5V power with minimal external components.
Key features of the LM2576HVS-5.0 include:
- A fixed output voltage of 5.0V.
- An output current up to 3A.
- A switching frequency of 52 kHz, allowing for smaller external components and a more compact design.
- Integrated thermal shutdown, current limiting, and an on/off control for efficient power management.
- High efficiency, typically around 77%, which reduces heat generation and energy loss.
The regulator is commonly used in applications such as power supplies for industrial equipment, automotive systems, and other electronic devices requiring stable 5V power with minimal external components.
Equivalent
The LM2576HVS-5.0 is a high-voltage step-down voltage regulator. Equivalent or similar products with similar specifications include:
1. L4970A- STMicroelectronics
2. MC34063 - ON Semiconductor (with external components for higher voltage)
3. L78S05CV - STMicroelectronics (with external components for higher voltage)
4. LM2596HV-5.0 - Texas Instruments
Ensure to cross-check the specifications and pin configurations, as they may vary slightly between different manufacturers or models.
1. L4970A- STMicroelectronics
2. MC34063 - ON Semiconductor (with external components for higher voltage)
3. L78S05CV - STMicroelectronics (with external components for higher voltage)
4. LM2596HV-5.0 - Texas Instruments
Ensure to cross-check the specifications and pin configurations, as they may vary slightly between different manufacturers or models.
Features
The LM2576HVS-5.0 is a high-voltage version of the LM2576 series of step-down (buck) voltage regulators. Key features include:
1. Output Voltage: It provides a fixed 5.0V output voltage.
2. Input Voltage: Supports a wide input voltage range from 6V to 60V, making it suitable for high-voltage applications.
3. Output Current: Capable of delivering up to 3A of continuous output current.
4. Efficiency: High efficiency of up to 88%, reducing heat dissipation and improving energy savings.
5. Switching Frequency: Operates at a fixed switching frequency of 52 kHz, optimizing component size and performance.
6. Protection Features: Includes features like thermal shutdown, current limiting, and over-voltage protection for enhanced reliability and safety.
7. Minimal External Components: Designed for ease of use with minimal external components, simplifying circuit design and reducing cost.
8. Package Options: Available in several package types, including TO-220 and TO-263, offering flexibility in design choices.
These features make it suitable for use in various applications requiring efficient power conversion in a compact form factor.
1. Output Voltage: It provides a fixed 5.0V output voltage.
2. Input Voltage: Supports a wide input voltage range from 6V to 60V, making it suitable for high-voltage applications.
3. Output Current: Capable of delivering up to 3A of continuous output current.
4. Efficiency: High efficiency of up to 88%, reducing heat dissipation and improving energy savings.
5. Switching Frequency: Operates at a fixed switching frequency of 52 kHz, optimizing component size and performance.
6. Protection Features: Includes features like thermal shutdown, current limiting, and over-voltage protection for enhanced reliability and safety.
7. Minimal External Components: Designed for ease of use with minimal external components, simplifying circuit design and reducing cost.
8. Package Options: Available in several package types, including TO-220 and TO-263, offering flexibility in design choices.
These features make it suitable for use in various applications requiring efficient power conversion in a compact form factor.
Pinout
The LM2576HVS-5.0 is a high-voltage version of the LM2576 series, which is a step-down voltage regulator. It comes in a 5-pin TO-220 or TO-263 package. Here are the pin functions:
1. Vin: Input voltage pin. This is where the unregulated input voltage is supplied.
2. Output: Output voltage pin. This pin provides the regulated output voltage.
3. Ground: Common ground pin for the input and output.
4. Feedback (FB): This pin is used to set the output voltage and as the input for the feedback loop to maintain regulation.
5. ON/OFF: This pin is used to enable or disable the regulator. Connecting this pin to ground enables the regulator, while applying a high voltage disables it.
The LM2576HVS-5.0 specifically provides a fixed 5V output and can handle input voltages up to 60V, making it suitable for high-voltage applications.
1. Vin: Input voltage pin. This is where the unregulated input voltage is supplied.
2. Output: Output voltage pin. This pin provides the regulated output voltage.
3. Ground: Common ground pin for the input and output.
4. Feedback (FB): This pin is used to set the output voltage and as the input for the feedback loop to maintain regulation.
5. ON/OFF: This pin is used to enable or disable the regulator. Connecting this pin to ground enables the regulator, while applying a high voltage disables it.
The LM2576HVS-5.0 specifically provides a fixed 5V output and can handle input voltages up to 60V, making it suitable for high-voltage applications.
Manufacturer
The LM2576HVS-5.0 is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company known for designing and manufacturing semiconductors and various integrated circuits. They are a major player in the electronics industry, supplying products that are used in a wide range of applications across different sectors, including automotive, industrial, personal electronics, and communications equipment. TI is recognized for its strong focus on innovation and extensive portfolio of analog and embedded processing products, which are essential components in electronic devices.
Application
The LM2576HVS-5.0 is a high-voltage step-down voltage regulator designed for applications requiring efficient power conversion and steady 5V output. It is suitable for use in various areas, including:
1. Industrial Automation: Provides reliable power supply to sensors and controllers.
2. Telecommunications: Powers equipment such as routers and switches.
3. Automotive: Supports in-vehicle electronics by delivering stable voltage.
4. Consumer Electronics: Used in devices such as set-top boxes and power adapters.
5. Distributed Power Systems: Offers localized voltage regulation in complex power networks.
6. Battery-Powered Devices: Extends battery life by efficiently converting voltage levels.
These applications benefit from its high efficiency, minimal external components, and ease of use.
1. Industrial Automation: Provides reliable power supply to sensors and controllers.
2. Telecommunications: Powers equipment such as routers and switches.
3. Automotive: Supports in-vehicle electronics by delivering stable voltage.
4. Consumer Electronics: Used in devices such as set-top boxes and power adapters.
5. Distributed Power Systems: Offers localized voltage regulation in complex power networks.
6. Battery-Powered Devices: Extends battery life by efficiently converting voltage levels.
These applications benefit from its high efficiency, minimal external components, and ease of use.
Package
The LM2576HVS-5.0 is a high voltage version of the LM2576 series of buck converters, typically available in a TO-220 package. This package type is designed for through-hole mounting and provides efficient heat dissipation, making it suitable for applications requiring robust performance and thermal management.
