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LM2671MX-5.0
+StücklisteIC REG BUCK 5V 500MA 8SOIC
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HerstellerTexas Instruments
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Herstellerteil #LM2671MX-5.0
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Paket SOIC-8
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Auf Lager5844
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
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Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR) |
| 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) | 5V |
| 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) |
Übersicht
Description
Key features of the LM2671MX-5.0 include a wide input voltage range (up to 40V), a fixed 5.0V output, and high efficiency due to its switching operation, which reduces heat and power loss compared to linear regulators. It also offers a fast transient response, ensuring stable output under varying load conditions.
The device is equipped with protection features such as thermal shutdown and current limiting, enhancing reliability. Its compact SOIC-8 package ensures it fits well in space-constrained applications. The LM2671MX-5.0 is ideal for use in battery-powered equipment, automotive systems, and other applications requiring a stable 5V power supply.
Equivalent
1. LM2671-5.0 from Texas Instruments – Non-SMD version or alternative package.
2. LM2576-5.0 by Texas Instruments – Similar function but different package and specs.
3. L4971 from STMicroelectronics – Similar functionality.
4. MC34063 by ON Semiconductor – Offers similar step-down regulation capabilities but with different specs.
5. L78S05CV from STMicroelectronics – Fixed 5V output, but may differ in current handling and configurations.
Always verify compatibility in your specific application.
Features
1. Output Voltage: Fixed 5.0V output.
2. Input Voltage Range: 8V to 40V, making it versatile for different power sources.
3. Output Current: Capable of delivering up to 1A output current.
4. Efficiency: High efficiency up to 96% to ensure minimal power loss.
5. Switching Frequency: Operates at a 260 kHz fixed frequency, which allows for smaller external components.
6. Thermal Shutdown: Integrated protection against overheating.
7. Current Limiting: Built-in current limiting feature for protection against overload conditions.
8. Soft Start: Minimizes inrush current and enhances reliability during startup.
9. Package: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package, suitable for space-constrained applications.
10. Applications: Ideal for battery-powered devices, distributed power systems, and automotive applications due to its robust design and performance.
These features make the LM2671MX-5.0 a reliable choice for efficient power conversion in various electronic applications.
Pinout
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch output. This pin is connected to the inductor.
3. GND (Pin 3): Ground reference.
4. FB (Pin 4): Feedback input. This pin helps in maintaining the output voltage by comparing it to a reference voltage.
5. ON/OFF (Pin 7): Enables or disables the device. A logic high enables the device, while a logic low disables it.
6. NC (Pins 5 and 6): No internal connection.
7. BOOST (Pin 8): Provides a bootstrapped voltage for the high-side driver.
The LM2671MX-5.0 is designed to provide a fixed 5.0V output with high efficiency for various applications, including power supply for microcontrollers and other digital circuits.