仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 6.5V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.21V |
| Voltage-Output(Max) | 37V |
| Current-Output | 1A |
| Frequency-Switching | 260kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The LM2675MX-ADJ is a versatile DC-DC step-down voltage regulator from Texas Instruments. It is part of the SIMPLE SWITCHER® series, designed to simplify power supply design for various applications. The device operates with an input voltage range of 8V to 40V and can deliver up to 1A of output current. The "ADJ" version of the LM2675 allows for adjustable output voltage, which can be set using an external resistor network, providing flexibility for different output requirements.
Key features include a high switching frequency of 260 kHz, ensuring reduced size for external components and improved efficiency. The LM2675MX-ADJ also comes with built-in protection features like thermal shutdown, current limiting, and an output switch, ensuring reliability and safe operation. Its efficiency, simplicity, and robust design make it suitable for a wide range of applications, including industrial and automotive power supplies, battery-powered systems, and distributed power systems. The "MX" suffix indicates the package type, which is typically an SOIC (Small Outline Integrated Circuit) for surface-mount applications.
Key features include a high switching frequency of 260 kHz, ensuring reduced size for external components and improved efficiency. The LM2675MX-ADJ also comes with built-in protection features like thermal shutdown, current limiting, and an output switch, ensuring reliability and safe operation. Its efficiency, simplicity, and robust design make it suitable for a wide range of applications, including industrial and automotive power supplies, battery-powered systems, and distributed power systems. The "MX" suffix indicates the package type, which is typically an SOIC (Small Outline Integrated Circuit) for surface-mount applications.
Equivalent
The LM2675MX-ADJ is a step-down voltage regulator. Equivalent products include:
1. LM2595-ADJ - Another adjustable step-down regulator with similar specifications.
2. L4971 - A 1.5A step-down switching regulator.
3. MC34063 - A versatile DC-DC converter with adjustable output.
4. TPS54331 - A 3A step-down converter with adjustable output.
5. LM2575-ADJ - Offers similar functionality and output voltage adjustment.
These alternatives are based on similar features and functionalities for DC-DC conversion. Always verify specific requirements before substituting.
1. LM2595-ADJ - Another adjustable step-down regulator with similar specifications.
2. L4971 - A 1.5A step-down switching regulator.
3. MC34063 - A versatile DC-DC converter with adjustable output.
4. TPS54331 - A 3A step-down converter with adjustable output.
5. LM2575-ADJ - Offers similar functionality and output voltage adjustment.
These alternatives are based on similar features and functionalities for DC-DC conversion. Always verify specific requirements before substituting.
Features
The LM2675MX-ADJ is a step-down (buck) voltage regulator from Texas Instruments, designed for efficient power management. Key features include:
1. Adjustable Output Voltage: It allows for a customizable output voltage, making it versatile for various applications.
2. High Efficiency: Provides efficiencies up to 96%, reducing heat and improving battery life.
3. Wide Input Voltage Range: Operates within a range of 8V to 40V, suitable for a variety of power sources.
4. Output Current: Delivers up to 1A of output current, supporting moderate power loads.
5. Fixed Switching Frequency: Operates at a fixed frequency of 260 kHz, facilitating easy filtering and low noise.
6. Thermal Shutdown and Current Limiting: Includes features for protecting the device from overheating and excessive current, enhancing reliability.
7. Low Standby Current: Offers low quiescent current, making it energy efficient in standby mode.
8. Simple and Small Solution Size: Comes in a small package with minimal external components required, ideal for space-constrained designs.
These features make the LM2675MX-ADJ suitable for use in distributed power systems, battery-powered devices, and other applications requiring efficient voltage regulation.
1. Adjustable Output Voltage: It allows for a customizable output voltage, making it versatile for various applications.
2. High Efficiency: Provides efficiencies up to 96%, reducing heat and improving battery life.
3. Wide Input Voltage Range: Operates within a range of 8V to 40V, suitable for a variety of power sources.
4. Output Current: Delivers up to 1A of output current, supporting moderate power loads.
5. Fixed Switching Frequency: Operates at a fixed frequency of 260 kHz, facilitating easy filtering and low noise.
6. Thermal Shutdown and Current Limiting: Includes features for protecting the device from overheating and excessive current, enhancing reliability.
7. Low Standby Current: Offers low quiescent current, making it energy efficient in standby mode.
8. Simple and Small Solution Size: Comes in a small package with minimal external components required, ideal for space-constrained designs.
These features make the LM2675MX-ADJ suitable for use in distributed power systems, battery-powered devices, and other applications requiring efficient voltage regulation.
Pinout
The LM2675MX-ADJ is a step-down voltage regulator, and it typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief description of its pin functions:
1. Pin 1 (SW): The switch node. This pin is connected to the inductor and flyback diode. It is the output of the internal switch.
2. Pin 2 (GND): Ground. This pin is the ground reference for the device.
3. Pin 3 (FB): Feedback. This pin is used to set the output voltage through a resistor divider connected to the output.
4. Pin 4 (ON/OFF): This pin enables or disables the regulator. A low input turns the regulator off, while a high input turns it on.
5. Pin 5 (Vin): Supply Voltage Input. This pin is where the input voltage is applied.
6. Pin 6, 7, 8 (NC): No Connection. These pins are typically not internally connected and can be used for mechanical stability.
The LM2675MX-ADJ is designed for simplicity, requiring few external components to set the desired output voltage and operate efficiently.
1. Pin 1 (SW): The switch node. This pin is connected to the inductor and flyback diode. It is the output of the internal switch.
2. Pin 2 (GND): Ground. This pin is the ground reference for the device.
3. Pin 3 (FB): Feedback. This pin is used to set the output voltage through a resistor divider connected to the output.
4. Pin 4 (ON/OFF): This pin enables or disables the regulator. A low input turns the regulator off, while a high input turns it on.
5. Pin 5 (Vin): Supply Voltage Input. This pin is where the input voltage is applied.
6. Pin 6, 7, 8 (NC): No Connection. These pins are typically not internally connected and can be used for mechanical stability.
The LM2675MX-ADJ is designed for simplicity, requiring few external components to set the desired output voltage and operate efficiently.
Manufacturer
The LM2675MX-ADJ is a voltage regulator manufactured by Texas Instruments. Texas Instruments, commonly abbreviated as TI, is a major American technology company that specializes in designing and manufacturing semiconductors and various integrated circuits, which are used in a wide array of electronic devices. The company's products are utilized in industries such as automotive, industrial, personal electronics, communications, and enterprise systems. TI is known for its broad portfolio of analog and embedded processing products, which help to manage power, provide precise measurement, and enable advanced connectivity in electronic systems.
Application
The LM2675MX-ADJ is a step-down (buck) voltage regulator primarily used in applications requiring efficient power conversion. Common application areas include:
1. Battery-Powered Devices: Efficiently managing power in portable electronics.
2. Consumer Electronics: Power supply for TVs, DVD players, and gaming consoles.
3. Industrial Equipment: Providing reliable power in automation and control systems.
4. Telecommunications: Power regulation in networking and communication devices.
5. Automotive Systems: Used in infotainment and electronic modules.
6. Embedded Systems: Supplying power to microcontrollers and other components.
7. Power Supply Units: As a part of switched-mode power supplies for various devices.
These applications leverage its efficiency, adjustable output, and compact size.
1. Battery-Powered Devices: Efficiently managing power in portable electronics.
2. Consumer Electronics: Power supply for TVs, DVD players, and gaming consoles.
3. Industrial Equipment: Providing reliable power in automation and control systems.
4. Telecommunications: Power regulation in networking and communication devices.
5. Automotive Systems: Used in infotainment and electronic modules.
6. Embedded Systems: Supplying power to microcontrollers and other components.
7. Power Supply Units: As a part of switched-mode power supplies for various devices.
These applications leverage its efficiency, adjustable output, and compact size.
Package
The LM2675MX-ADJ is a step-down voltage regulator integrated circuit, commonly available in an SOIC-8 (Small Outline Integrated Circuit) package type. This package is designed for surface mounting on circuit boards, providing a compact and efficient solution for power regulation.
