Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Not For New Designs |
| 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) |
Tổng quan
Description
The LM2672MX-ADJ is a step-down voltage regulator integrated circuit (IC) from Texas Instruments. It is designed to provide a highly efficient conversion of a higher input voltage to a lower output voltage, making it suitable for a variety of power supply applications. The "ADJ" in its name indicates that it features an adjustable output voltage. This regulator can deliver up to 1A of continuous output current and operates at a fixed switching frequency of 260 kHz, which helps reduce output voltage ripple and allows the use of smaller external components.
Key features of the LM2672MX-ADJ include overcurrent protection, thermal shutdown, and ease of use with a minimal number of external components required for typical applications. It is often used in applications such as battery-powered devices, distributed power systems, and point-of-load converters. The device is available in a surface-mount package, making it suitable for compact and space-constrained designs. Overall, the LM2672MX-ADJ offers a reliable and efficient solution for DC-DC conversion needs.
Key features of the LM2672MX-ADJ include overcurrent protection, thermal shutdown, and ease of use with a minimal number of external components required for typical applications. It is often used in applications such as battery-powered devices, distributed power systems, and point-of-load converters. The device is available in a surface-mount package, making it suitable for compact and space-constrained designs. Overall, the LM2672MX-ADJ offers a reliable and efficient solution for DC-DC conversion needs.
Equivalent
The LM2672MX-ADJ is a step-down voltage regulator. Equivalent products include:
1. LM2596-ADJ
2. L4971
3. L78S40
4. MC34063
5. MP1584
6. AMS1117-ADJ
These alternatives have similar functions but may vary in specific features and performance criteria. Always check the datasheet for compatibility with your application requirements.
1. LM2596-ADJ
2. L4971
3. L78S40
4. MC34063
5. MP1584
6. AMS1117-ADJ
These alternatives have similar functions but may vary in specific features and performance criteria. Always check the datasheet for compatibility with your application requirements.
Features
The LM2672MX-ADJ is a versatile step-down voltage regulator with these key features:
1. Adjustable Output Voltage: Allows customization of the output voltage, enhancing flexibility for various applications.
2. High Efficiency: Capable of achieving efficiencies greater than 90%, which reduces power loss and thermal stress.
3. Wide Input Voltage Range: Supports a range from 8V to 40V, making it suitable for a variety of input sources.
4. 1A Output Current: Provides a consistent output current of up to 1A, suited for medium power requirements.
5. Current Mode Control: Improves transient response and simplifies loop compensation.
6. Fixed Frequency Operation: Operates at a fixed switching frequency of 260 kHz, which aids in minimizing interference.
7. Low Standby Current: Features a low standby current for enhanced efficiency in low-power conditions.
8. Overload Protection: Includes features like current limiting and thermal shutdown to protect the device from damage under adverse conditions.
These features make the LM2672MX-ADJ a reliable choice for power supply applications requiring stability and efficiency.
1. Adjustable Output Voltage: Allows customization of the output voltage, enhancing flexibility for various applications.
2. High Efficiency: Capable of achieving efficiencies greater than 90%, which reduces power loss and thermal stress.
3. Wide Input Voltage Range: Supports a range from 8V to 40V, making it suitable for a variety of input sources.
4. 1A Output Current: Provides a consistent output current of up to 1A, suited for medium power requirements.
5. Current Mode Control: Improves transient response and simplifies loop compensation.
6. Fixed Frequency Operation: Operates at a fixed switching frequency of 260 kHz, which aids in minimizing interference.
7. Low Standby Current: Features a low standby current for enhanced efficiency in low-power conditions.
8. Overload Protection: Includes features like current limiting and thermal shutdown to protect the device from damage under adverse conditions.
These features make the LM2672MX-ADJ a reliable choice for power supply applications requiring stability and efficiency.
Pinout
The LM2672MX-ADJ is a step-down voltage regulator with an adjustable output. It comes in an 8-pin SOIC package. Here’s a brief overview of its pin functions:
1. VIN: Input voltage supply pin.
2. SW (Switch output): Output switch for the inductor.
3. Ground (GND): Ground reference for the device.
4. FB (Feedback): Feedback input to set the output voltage, used with an external resistor divider.
5. ON/OFF: Allows the regulator to be enabled or disabled.
6. BOOST: Bootstrapped voltage used to drive the high-side switch.
7. No Connection (NC): Typically not connected internally or used.
8. NC: Another pin typically not connected or used.
This configuration allows for efficient voltage regulation and the ability to adjust the output to a desired level using external components.
1. VIN: Input voltage supply pin.
2. SW (Switch output): Output switch for the inductor.
3. Ground (GND): Ground reference for the device.
4. FB (Feedback): Feedback input to set the output voltage, used with an external resistor divider.
5. ON/OFF: Allows the regulator to be enabled or disabled.
6. BOOST: Bootstrapped voltage used to drive the high-side switch.
7. No Connection (NC): Typically not connected internally or used.
8. NC: Another pin typically not connected or used.
This configuration allows for efficient voltage regulation and the ability to adjust the output to a desired level using external components.
Manufacturer
The LM2672MX-ADJ is manufactured by Texas Instruments. Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronic devices and systems. The company is well-known for its role in the development and production of analog technologies, embedded processors, digital signal processors (DSPs), and microcontrollers, among other semiconductor products. Texas Instruments serves a wide range of industries, including automotive, industrial, consumer electronics, and communications. They are recognized for their innovation and quality in the field of electronics, providing solutions that enable more efficient and advanced electronic systems.
Application
The LM2672MX-ADJ is a versatile adjustable regulator typically used in applications requiring efficient power conversion. Key application areas include:
1. Embedded Systems: Provides regulated power for microcontrollers and peripherals.
2. Industrial Automation: Powers sensors and control units with precision.
3. Telecommunications: Offers stable voltage for communication devices.
4. Consumer Electronics: Used in devices like set-top boxes and portable electronics for reliable power management.
5. Automotive Systems: Supplies regulated power for infotainment systems and sensors.
6. Battery-Powered Devices: Enhances battery life through efficient power conversion.
7. Networking Equipment: Powers routers and switches with minimal noise.
These applications benefit from its high efficiency, adjustable output, and wide input voltage range.
1. Embedded Systems: Provides regulated power for microcontrollers and peripherals.
2. Industrial Automation: Powers sensors and control units with precision.
3. Telecommunications: Offers stable voltage for communication devices.
4. Consumer Electronics: Used in devices like set-top boxes and portable electronics for reliable power management.
5. Automotive Systems: Supplies regulated power for infotainment systems and sensors.
6. Battery-Powered Devices: Enhances battery life through efficient power conversion.
7. Networking Equipment: Powers routers and switches with minimal noise.
These applications benefit from its high efficiency, adjustable output, and wide input voltage range.
Package
The LM2672MX-ADJ is a voltage regulator IC from Texas Instruments, and it comes in a surface-mount, 8-pin SOIC (Small Outline Integrated Circuit) package.
