사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive or Negative |
| Topology | Buck |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 7V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 15V |
| 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 LM2576D2T-15G is a step-down voltage regulator from the LM2576 series, manufactured by ON Semiconductor. It is designed to provide a regulated output voltage of 15V with up to 3A of output current, making it suitable for a variety of power supply applications. This device is characterized by its high efficiency, typically around 77%, and its ability to operate with an input voltage range of 4V to 40V. The LM2576D2T-15G integrates a fixed-frequency oscillator, which helps simplify design by eliminating external components typically used for frequency compensation.
Key features include an internal current limiting and thermal shutdown, which protect the device under fault conditions. It also supports a wide range of operating temperatures, making it versatile for various environments. The device comes in a TO-263 surface-mount package, facilitating easy integration into PCB designs. Overall, the LM2576D2T-15G provides a reliable and efficient solution for step-down voltage regulation in applications such as automotive, industrial, and consumer electronics.
Key features include an internal current limiting and thermal shutdown, which protect the device under fault conditions. It also supports a wide range of operating temperatures, making it versatile for various environments. The device comes in a TO-263 surface-mount package, facilitating easy integration into PCB designs. Overall, the LM2576D2T-15G provides a reliable and efficient solution for step-down voltage regulation in applications such as automotive, industrial, and consumer electronics.
Equivalent
The LM2576D2T-15G is a fixed 15V output, step-down (buck) voltage regulator. Equivalent products include:
1. LM2596-15 (from Texas Instruments) - similar specifications, 15V output.
2. L4970A (from STMicroelectronics) - offers similar functionality.
3. MC34063A (from ON Semiconductor) - not an exact match but can be configured for similar applications.
4. L78S15CV (from STMicroelectronics) - fixed 15V output linear regulator (different topology but may be used in similar end applications).
Note: Always verify specifications and compatibility before substituting.
1. LM2596-15 (from Texas Instruments) - similar specifications, 15V output.
2. L4970A (from STMicroelectronics) - offers similar functionality.
3. MC34063A (from ON Semiconductor) - not an exact match but can be configured for similar applications.
4. L78S15CV (from STMicroelectronics) - fixed 15V output linear regulator (different topology but may be used in similar end applications).
Note: Always verify specifications and compatibility before substituting.
Features
The LM2576D2T-15G is a step-down voltage regulator with the following features:
1. Output Voltage: Fixed output of 15V.
2. Input Voltage Range: Operates efficiently over a wide input voltage range.
3. Output Current: Capable of providing up to 3A of output current.
4. Efficiency: High efficiency, typically around 77% to 90%, depending on the input voltage and load conditions.
5. Switching Frequency: Fixed internal frequency of 52 kHz, simplifying design and lowering component size.
6. Thermal Shutdown and Current Limit Protection: Protects the device from damage due to overheating or overcurrent conditions.
7. Low External Component Count: Requires minimal external components, simplifying the design process.
8. TO-263 Package: Available in an exposed pad package for better thermal performance.
9. Wide Range of Applications: Suitable for use in various applications, including power supplies, battery chargers, and distributed power systems.
These features make the LM2576D2T-15G a versatile and reliable choice for power management solutions in electronic devices.
1. Output Voltage: Fixed output of 15V.
2. Input Voltage Range: Operates efficiently over a wide input voltage range.
3. Output Current: Capable of providing up to 3A of output current.
4. Efficiency: High efficiency, typically around 77% to 90%, depending on the input voltage and load conditions.
5. Switching Frequency: Fixed internal frequency of 52 kHz, simplifying design and lowering component size.
6. Thermal Shutdown and Current Limit Protection: Protects the device from damage due to overheating or overcurrent conditions.
7. Low External Component Count: Requires minimal external components, simplifying the design process.
8. TO-263 Package: Available in an exposed pad package for better thermal performance.
9. Wide Range of Applications: Suitable for use in various applications, including power supplies, battery chargers, and distributed power systems.
These features make the LM2576D2T-15G a versatile and reliable choice for power management solutions in electronic devices.
Pinout
The LM2576D2T-15G is a 5-pin, 15V fixed output voltage step-down voltage regulator. It is part of the LM2576 series, which are monolithic integrated circuits designed for efficient power conversion. The main function of the LM2576D2T-15G is to provide a regulated output voltage with a maximum output current of 3A.
The pin configuration is as follows:
1. Vin (Input Voltage): This pin receives the unregulated input voltage that is to be regulated down.
2. Output: This pin is where the regulated voltage is outputted.
3. GND (Ground): This pin is connected to the ground of the system.
4. Feedback: This pin helps in setting the output voltage and is connected to the output for fixed voltage versions like the LM2576D2T-15G.
5. ON/OFF Control (Enable): This is an optional pin for enabling or disabling the regulator.
The LM2576D2T-15G is widely used in power supply designs for its efficiency, ease of use, and minimal external component requirements.
The pin configuration is as follows:
1. Vin (Input Voltage): This pin receives the unregulated input voltage that is to be regulated down.
2. Output: This pin is where the regulated voltage is outputted.
3. GND (Ground): This pin is connected to the ground of the system.
4. Feedback: This pin helps in setting the output voltage and is connected to the output for fixed voltage versions like the LM2576D2T-15G.
5. ON/OFF Control (Enable): This is an optional pin for enabling or disabling the regulator.
The LM2576D2T-15G is widely used in power supply designs for its efficiency, ease of use, and minimal external component requirements.
Manufacturer
The LM2576D2T-15G is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is an American company that specializes in semiconductor manufacturing. It provides a wide range of products including power and signal management, logic, discrete, and custom devices for various industries such as automotive, industrial, cloud, and Internet of Things (IoT). Onsemi focuses on energy-efficient innovations, offering solutions that help reduce global energy usage. The company operates facilities worldwide and serves customers across the globe, aiming to deliver advanced semiconductor technology that supports sustainable growth and technological advancement in various sectors.
Application
The LM2576D2T-15G is a step-down voltage regulator, and its application areas include:
1. Power Supply Systems: Used in DC-DC conversion for efficient power management, providing a stable 15V output.
2. Consumer Electronics: Utilized in devices requiring regulated power to enhance performance and reliability.
3. Automotive Electronics: Employed in vehicle power systems to step down battery voltage for various components.
4. Industrial Automation: Used in control systems for stable power supply in automation equipment.
5. Communication Equipment: Provides regulated power for various communication modules and devices.
These applications benefit from its high efficiency, minimal external components, and reliable performance.
1. Power Supply Systems: Used in DC-DC conversion for efficient power management, providing a stable 15V output.
2. Consumer Electronics: Utilized in devices requiring regulated power to enhance performance and reliability.
3. Automotive Electronics: Employed in vehicle power systems to step down battery voltage for various components.
4. Industrial Automation: Used in control systems for stable power supply in automation equipment.
5. Communication Equipment: Provides regulated power for various communication modules and devices.
These applications benefit from its high efficiency, minimal external components, and reliable performance.
Package
The LM2576D2T-15G is a voltage regulator IC typically housed in a TO-263 package, also known as D2PAK. This package is designed for surface mounting on circuit boards, offering good thermal performance and space efficiency for power applications.
