사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.75V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 5V |
| Current-Output | 1A |
| 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 LM2575D2T-5R4G is a monolithic integrated circuit that functions as a step-down (buck) voltage regulator. It provides a fixed output voltage of 5V from a higher input voltage, ranging typically from 7V to 40V. This device is well-suited for applications requiring a stable 5V output, offering a maximum output current of 1A.
Key features include high efficiency, typically around 88%, due to its switching design. It operates at a fixed frequency of about 52 kHz, allowing for small external components and aiding in compact circuit design. The device includes various protection features, such as thermal shutdown and current limiting, ensuring reliability and safety in operation.
The LM2575D2T-5R4G is packaged in a TO-263-5 (D2PAK-5) package, which is ideal for surface mounting. Its versatility makes it suitable for use in a wide range of applications, including power supplies for microprocessors, battery chargers, and consumer electronics.
Key features include high efficiency, typically around 88%, due to its switching design. It operates at a fixed frequency of about 52 kHz, allowing for small external components and aiding in compact circuit design. The device includes various protection features, such as thermal shutdown and current limiting, ensuring reliability and safety in operation.
The LM2575D2T-5R4G is packaged in a TO-263-5 (D2PAK-5) package, which is ideal for surface mounting. Its versatility makes it suitable for use in a wide range of applications, including power supplies for microprocessors, battery chargers, and consumer electronics.
Equivalent
The LM2575D2T-5R4G is a voltage regulator designed for step-down (buck) applications. Equivalent products include:
1. MC34063 - A versatile DC-DC converter.
2. LM2596 - Offers similar functionality with higher current capability.
3. L78S05 - A fixed voltage regulator with similar output voltage.
4. LMR14006 - A compact, low-power alternative.
5. RECOM R-78E5.0-0.5 - A pin-compatible alternative in some applications.
Always verify specifications to ensure compatibility with your specific requirements.
1. MC34063 - A versatile DC-DC converter.
2. LM2596 - Offers similar functionality with higher current capability.
3. L78S05 - A fixed voltage regulator with similar output voltage.
4. LMR14006 - A compact, low-power alternative.
5. RECOM R-78E5.0-0.5 - A pin-compatible alternative in some applications.
Always verify specifications to ensure compatibility with your specific requirements.
Features
The LM2575D2T-5R4G is a step-down (buck) voltage regulator designed for efficient power conversion. Key features include:
1. Output Voltage: It provides a fixed output voltage of 5V.
2. Output Current: Capable of delivering up to 1A of output current.
3. Efficiency: High efficiency, typically around 88%, which reduces heat generation.
4. Switching Frequency: Operates at a fixed frequency of 52 kHz.
5. Input Voltage Range: Wide input voltage range from 7V to 40V, suitable for various applications.
6. Low Output Ripple: Ensures stable output with minimal voltage ripple.
7. Thermal Shutdown: Includes thermal protection to prevent damage from overheating.
8. Current Limiting: Integrated to prevent excessive current flow.
9. Ease of Use: Requires minimal external components, simplifying design.
10. TO-263 Package: Available in a surface-mount TO-263 package for efficient heat dissipation.
These features make the LM2575D2T-5R4G suitable for applications requiring a reliable and efficient DC-DC conversion, such as power supplies for microcontrollers, sensors, and other electronic devices.
1. Output Voltage: It provides a fixed output voltage of 5V.
2. Output Current: Capable of delivering up to 1A of output current.
3. Efficiency: High efficiency, typically around 88%, which reduces heat generation.
4. Switching Frequency: Operates at a fixed frequency of 52 kHz.
5. Input Voltage Range: Wide input voltage range from 7V to 40V, suitable for various applications.
6. Low Output Ripple: Ensures stable output with minimal voltage ripple.
7. Thermal Shutdown: Includes thermal protection to prevent damage from overheating.
8. Current Limiting: Integrated to prevent excessive current flow.
9. Ease of Use: Requires minimal external components, simplifying design.
10. TO-263 Package: Available in a surface-mount TO-263 package for efficient heat dissipation.
These features make the LM2575D2T-5R4G suitable for applications requiring a reliable and efficient DC-DC conversion, such as power supplies for microcontrollers, sensors, and other electronic devices.
Pinout
The LM2575D2T-5R4G is a step-down voltage regulator from the LM2575 series, designed by ON Semiconductor. It is a fixed-output voltage regulator with a 5V output and is capable of delivering up to 1A of load current. This device typically comes in a 5-pin TO-263 surface-mount package, which is also sometimes labeled as D2PAK.
Here's a brief overview of its pin functions:
1. VIN (Input Voltage): This pin receives the input voltage, which can range from 7V to 40V for this device.
2. SW (Switch Output): This pin is connected to the inductor and is responsible for switching the input voltage to produce the desired output voltage.
3. Ground (GND): This is the common ground pin for the regulator.
4. Feedback (FB): This pin is used to set the output voltage. In fixed-output versions like the LM2575D2T-5R4G, it is internally connected and not externally accessible.
5. ON/OFF (SHDN): This pin is used for enabling or disabling the regulator. A high level turns the regulator off, while a low level enables it.
These features make the LM2575D2T-5R4G suitable for various applications requiring efficient voltage regulation.
Here's a brief overview of its pin functions:
1. VIN (Input Voltage): This pin receives the input voltage, which can range from 7V to 40V for this device.
2. SW (Switch Output): This pin is connected to the inductor and is responsible for switching the input voltage to produce the desired output voltage.
3. Ground (GND): This is the common ground pin for the regulator.
4. Feedback (FB): This pin is used to set the output voltage. In fixed-output versions like the LM2575D2T-5R4G, it is internally connected and not externally accessible.
5. ON/OFF (SHDN): This pin is used for enabling or disabling the regulator. A high level turns the regulator off, while a low level enables it.
These features make the LM2575D2T-5R4G suitable for various applications requiring efficient voltage regulation.
Manufacturer
The manufacturer of the LM2575D2T-5R4G is ON Semiconductor, now known as onsemi. Onsemi is a leading supplier of semiconductor-based solutions, offering products that include power and signal management, logic, discrete, and custom devices. These solutions are used across a broad spectrum of applications in the automotive, industrial, cloud, and IoT sectors. The company focuses on energy-efficient innovations to help build a better future and supports customers in reducing global energy use.
Application
The LM2575D2T-5R4G is a voltage regulator commonly used in applications requiring step-down (buck) conversion with a fixed 5V output. Its key application areas include:
1. Power Supply for Microcontrollers and Digital Circuits: Provides stable 5V output for powering microcontrollers and digital logic circuits.
2. Embedded Systems: Used in embedded systems requiring efficient power management.
3. Consumer Electronics: Powers various electronic gadgets needing a 5V power supply.
4. Battery-Powered Devices: Extends battery life through efficient power conversion.
5. Industrial Automation: Supplies regulated power to sensors and control units.
6. Telecommunication Equipment: Supports stable operation of communication modules.
Its efficiency, simplicity, and reliability make it suitable for various low to moderate power applications.
1. Power Supply for Microcontrollers and Digital Circuits: Provides stable 5V output for powering microcontrollers and digital logic circuits.
2. Embedded Systems: Used in embedded systems requiring efficient power management.
3. Consumer Electronics: Powers various electronic gadgets needing a 5V power supply.
4. Battery-Powered Devices: Extends battery life through efficient power conversion.
5. Industrial Automation: Supplies regulated power to sensors and control units.
6. Telecommunication Equipment: Supports stable operation of communication modules.
Its efficiency, simplicity, and reliability make it suitable for various low to moderate power applications.
Package
The LM2575D2T-5R4G is a step-down voltage regulator from ON Semiconductor. It comes in a D2PAK (TO-263) surface-mount package, which is designed for efficient heat dissipation and is suitable for medium-power applications.
