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LM2675MX-ADJ
+NomenclatureIC REG BUCK ADJUSTABLE 1A 8SOIC
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FabricantTexas Instruments
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Pièce fabricant #LM2675MX-ADJ
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Package SOIC-8
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En stock3661
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Spécifications
| Attribut | Valeur |
| 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) |
Présentation
Description
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
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
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
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
Application
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.