規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 6.5V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 3.3V |
| 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) |
概述
Description
The LM2675MX-3.3 is a step-down voltage regulator from Texas Instruments, designed to efficiently convert a higher input voltage to a lower output voltage. It is part of the Simple Switcher series, known for easy implementation in power supply designs. This particular model outputs a fixed 3.3V and can deliver up to 1A of load current, making it suitable for powering microcontrollers, processors, or other digital circuits requiring stable 3.3V power.
Key features of the LM2675MX-3.3 include high efficiency, typically up to 96%, and a wide input voltage range from 8V to 40V, allowing for flexibility in various applications. The device operates at a switching frequency of 260 kHz, which helps in reducing the size of external components. It also includes built-in features like thermal shutdown and current limiting for enhanced reliability and protection.
Overall, the LM2675MX-3.3 is ideal for applications that demand efficient and reliable power regulation to a 3.3V output, particularly in environments where space and efficiency are critical considerations.
Key features of the LM2675MX-3.3 include high efficiency, typically up to 96%, and a wide input voltage range from 8V to 40V, allowing for flexibility in various applications. The device operates at a switching frequency of 260 kHz, which helps in reducing the size of external components. It also includes built-in features like thermal shutdown and current limiting for enhanced reliability and protection.
Overall, the LM2675MX-3.3 is ideal for applications that demand efficient and reliable power regulation to a 3.3V output, particularly in environments where space and efficiency are critical considerations.
Equivalent
The LM2675MX-3.3 is a step-down voltage regulator. Equivalent products include the LM2675-3.3 from other manufacturers, LM2596-3.3, and MC34063 in certain configurations. Additionally, the L4973V3.3 and the MP1584EN are potential alternatives, though specifications such as input voltage range and output current capability must be verified to ensure compatibility. Always check the datasheets to ensure full compatibility with your specific application requirements.
Features
The LM2675MX-3.3 is a step-down voltage regulator designed for simple and efficient power conversion. Key features include:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Input Voltage Range: Operates with an input voltage range from 8V to 40V.
3. Output Current: Capable of delivering up to 1A of load current.
4. Efficiency: High efficiency, typically up to 96%, reducing heat generation and wasted energy.
5. Switching Frequency: Operates at a fixed switching frequency of 260 kHz, facilitating the use of smaller external components.
6. Thermal Protection: Includes thermal shutdown and current limit protection to safeguard the device and load.
7. Packaging: Available in a surface-mount TO-263 or SOIC-8 package for compact, space-saving designs.
8. Low Standby Current: Features low standby current, which is crucial for battery-powered applications.
9. Simple Design: Requires minimal external components, enabling straightforward implementation in various applications.
These features make the LM2675MX-3.3 an ideal choice for efficient power management in a wide range of electronic devices.
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Input Voltage Range: Operates with an input voltage range from 8V to 40V.
3. Output Current: Capable of delivering up to 1A of load current.
4. Efficiency: High efficiency, typically up to 96%, reducing heat generation and wasted energy.
5. Switching Frequency: Operates at a fixed switching frequency of 260 kHz, facilitating the use of smaller external components.
6. Thermal Protection: Includes thermal shutdown and current limit protection to safeguard the device and load.
7. Packaging: Available in a surface-mount TO-263 or SOIC-8 package for compact, space-saving designs.
8. Low Standby Current: Features low standby current, which is crucial for battery-powered applications.
9. Simple Design: Requires minimal external components, enabling straightforward implementation in various applications.
These features make the LM2675MX-3.3 an ideal choice for efficient power management in a wide range of electronic devices.
Pinout
The LM2675MX-3.3 is a step-down voltage regulator with a fixed output voltage of 3.3V. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief overview of the pin functions:
1. Pin 1 (SW): Switch pin, connected to the inductor.
2. Pin 2 (GND): Ground pin.
3. Pin 3 (FB): Feedback pin, used to set the output voltage (connected to VOUT for fixed versions).
4. Pin 4, 5 (NC): No connection.
5. Pin 6 (BOOST): Boost pin, provides drive voltage to the internal power switch.
6. Pin 7 (VIN): Input voltage supply pin.
7. Pin 8 (ON/OFF): On/Off control input, enables or disables the regulator output.
The LM2675MX-3.3 provides ease of use with its fixed output and simple design requirements, making it suitable for various power management applications.
1. Pin 1 (SW): Switch pin, connected to the inductor.
2. Pin 2 (GND): Ground pin.
3. Pin 3 (FB): Feedback pin, used to set the output voltage (connected to VOUT for fixed versions).
4. Pin 4, 5 (NC): No connection.
5. Pin 6 (BOOST): Boost pin, provides drive voltage to the internal power switch.
6. Pin 7 (VIN): Input voltage supply pin.
7. Pin 8 (ON/OFF): On/Off control input, enables or disables the regulator output.
The LM2675MX-3.3 provides ease of use with its fixed output and simple design requirements, making it suitable for various power management applications.
Manufacturer
The LM2675MX-3.3 is manufactured by Texas Instruments, an American technology company. Texas Instruments, commonly known as TI, is a global leader in the design and manufacture of semiconductors and various integrated circuits. The company is renowned for its wide range of products, including analog chips and embedded processors, which are used in electronics across the consumer, automotive, industrial, and communications sectors. TI is also known for its innovation in the semiconductor industry and contributions to the advancement of technology.
Application
The LM2675MX-3.3 is a step-down voltage regulator. Its application areas include:
1. Embedded Systems: Provides a stable 3.3V power supply for microcontrollers and other components.
2. Industrial Automation: Powers sensors, actuators, and other control systems.
3. Consumer Electronics: Used in devices like set-top boxes, routers, and modems for efficient power management.
4. Networking Equipment: Supplies power to network devices and communication systems.
5. Automotive: Powers infotainment systems and other electronic modules.
6. Telecommunications: Supports power needs in telecom infrastructure equipment.
7. Battery-Powered Devices: Extends battery life by providing efficient power conversion.
1. Embedded Systems: Provides a stable 3.3V power supply for microcontrollers and other components.
2. Industrial Automation: Powers sensors, actuators, and other control systems.
3. Consumer Electronics: Used in devices like set-top boxes, routers, and modems for efficient power management.
4. Networking Equipment: Supplies power to network devices and communication systems.
5. Automotive: Powers infotainment systems and other electronic modules.
6. Telecommunications: Supports power needs in telecom infrastructure equipment.
7. Battery-Powered Devices: Extends battery life by providing efficient power conversion.
Package
The LM2675MX-3.3 is typically available in a surface-mount package known as the SOIC-8 (Small Outline Integrated Circuit with 8 pins). This package type is compact, suitable for space-limited applications, and allows for easy soldering onto printed circuit boards (PCBs).
