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LM2671M-ADJ
+NomenclatureIC REG BUCK ADJ 500MA 8SOIC
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FabricantTexas Instruments
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Pièce fabricant #LM2671M-ADJ
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Package SOIC-8
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En stock3153
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Spécifications
| Attribut | Valeur |
| Package | Bulk,Tube |
| 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 | 500mA |
| Frequency-Switching | 260kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Présentation
Description
The LM2671M-ADJ is a step-down voltage regulator from Texas Instruments, part of the SIMPLE SWITCHER® family. It is designed to efficiently convert higher input voltages to lower output voltages with minimal external components. The LM2671M-ADJ features an adjustable output voltage, allowing users to set the desired output via external resistors. This regulator can handle input voltages ranging from 8V to 40V and deliver an output current up to 1A.
Key features include a high switching frequency of 260 kHz, which allows for smaller inductors and capacitors, reducing overall design size. It also offers a standby and shutdown mode for power saving, output voltage accuracy, and short-circuit protection. The device is suitable for applications such as battery-powered devices, distributed power systems, and automotive electronics. Its integrated design and minimal external components make it a popular choice for efficient power management in various electronic applications.
Key features include a high switching frequency of 260 kHz, which allows for smaller inductors and capacitors, reducing overall design size. It also offers a standby and shutdown mode for power saving, output voltage accuracy, and short-circuit protection. The device is suitable for applications such as battery-powered devices, distributed power systems, and automotive electronics. Its integrated design and minimal external components make it a popular choice for efficient power management in various electronic applications.
Equivalent
The LM2671M-ADJ is a step-down voltage regulator. Equivalent products include the LM2596-ADJ, LM2576-ADJ, and the XL4015. These alternatives function similarly in terms of voltage regulation and output current with slight differences in specific features or efficiency. Always verify compatibility based on your specific application requirements like input voltage range, output current, switching frequency, and package type before substitution.
Features
The LM2671M-ADJ is a versatile voltage regulator that offers several key features:
1. Adjustable Output Voltage: It provides an adjustable output voltage, allowing users to set the desired level according to their application needs.
2. Efficiency: The regulator is designed to be highly efficient, with efficiencies typically above 90%, making it suitable for power-sensitive applications.
3. Switching Frequency: It operates at a fixed switching frequency of 260 kHz, which helps in reducing the size of external components.
4. Input Voltage Range: The regulator supports a wide input voltage range, typically from 8V to 40V, making it suitable for various input sources.
5. Output Current: It can deliver up to 1A of continuous output current, catering to medium-power applications.
6. Thermal Protection: Built-in thermal shutdown and current limit features protect the device against potential damage from over-temperature and over-current conditions.
7. Package: It is available in a space-saving SOIC package, facilitating easy integration into compact designs.
These features make the LM2671M-ADJ ideal for applications requiring efficient, adjustable voltage regulation.
1. Adjustable Output Voltage: It provides an adjustable output voltage, allowing users to set the desired level according to their application needs.
2. Efficiency: The regulator is designed to be highly efficient, with efficiencies typically above 90%, making it suitable for power-sensitive applications.
3. Switching Frequency: It operates at a fixed switching frequency of 260 kHz, which helps in reducing the size of external components.
4. Input Voltage Range: The regulator supports a wide input voltage range, typically from 8V to 40V, making it suitable for various input sources.
5. Output Current: It can deliver up to 1A of continuous output current, catering to medium-power applications.
6. Thermal Protection: Built-in thermal shutdown and current limit features protect the device against potential damage from over-temperature and over-current conditions.
7. Package: It is available in a space-saving SOIC package, facilitating easy integration into compact designs.
These features make the LM2671M-ADJ ideal for applications requiring efficient, adjustable voltage regulation.
Pinout
The LM2671M-ADJ is a step-down voltage regulator from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of this device is to provide a high-efficiency DC-DC conversion with an adjustable output voltage.
The key pins and their functions are:
1. Vin: Input voltage supply.
2. SW: Switch output, connected to the inductor.
3. Ground: Common ground for input and output.
4. FB: Feedback input for setting the output voltage.
5. ON/OFF: Enables or disables the regulator.
6. VCC: Internal supply voltage.
7. Boost: Provides the drive voltage for the internal switch.
8. NC: No connection or not internally connected.
The LM2671M-ADJ is designed to deliver up to 1A of load current with an adjustable output using a simple resistor divider connected to the FB pin. It is suitable for a wide range of applications requiring efficient step-down voltage regulation.
The key pins and their functions are:
1. Vin: Input voltage supply.
2. SW: Switch output, connected to the inductor.
3. Ground: Common ground for input and output.
4. FB: Feedback input for setting the output voltage.
5. ON/OFF: Enables or disables the regulator.
6. VCC: Internal supply voltage.
7. Boost: Provides the drive voltage for the internal switch.
8. NC: No connection or not internally connected.
The LM2671M-ADJ is designed to deliver up to 1A of load current with an adjustable output using a simple resistor divider connected to the FB pin. It is suitable for a wide range of applications requiring efficient step-down voltage regulation.
Manufacturer
The LM2671M-ADJ is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a broad range of analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in technology and for providing products that are integral in various industries, including automotive, industrial, personal electronics, communications, and enterprise systems. TI's expertise in analog technologies and embedded systems allows them to provide solutions that improve efficiency and performance in electronic devices and systems.
Application
The LM2671M-ADJ is a versatile adjustable voltage regulator used primarily in power management applications. Its main application areas include:
1. Telecommunications: Providing stable voltage supplies for communication devices.
2. Industrial Systems: Used in control systems and automation equipment for efficient power regulation.
3. Consumer Electronics: Powering devices like set-top boxes, gaming consoles, and portable equipment.
4. Automotive: Used in infotainment systems and other in-car electronic systems.
5. Computing: Powering peripherals and auxiliary systems in computers and servers.
6. Battery-Powered Devices: Extending battery life by efficiently managing power consumption.
Its ability to deliver high efficiency and a wide input voltage range makes it suitable for numerous applications requiring a stable voltage output.
1. Telecommunications: Providing stable voltage supplies for communication devices.
2. Industrial Systems: Used in control systems and automation equipment for efficient power regulation.
3. Consumer Electronics: Powering devices like set-top boxes, gaming consoles, and portable equipment.
4. Automotive: Used in infotainment systems and other in-car electronic systems.
5. Computing: Powering peripherals and auxiliary systems in computers and servers.
6. Battery-Powered Devices: Extending battery life by efficiently managing power consumption.
Its ability to deliver high efficiency and a wide input voltage range makes it suitable for numerous applications requiring a stable voltage output.
Package
The LM2671M-ADJ is a step-down voltage regulator typically available in a surface-mount package, specifically the TO-263 (also known as D2PAK) package type. It is designed for applications requiring a compact and efficient power supply solution.
