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LM2931AD50R
+Lista de MateriaisIC REG LINEAR 5V 100MA 8SO
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FabricanteSTMicroeletrônica
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Peça do Fabricante #LM2931AD50R
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Ficha Técnica LM2931AD50R DataSheet
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Pacote SOP-8
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 26V |
| Voltage-Output(Min/Fixed) | 5V |
| VoltageDropout(Max) | 0.6V @ 100mA |
| Current-Output | 100mA |
| Current-Quiescent(Iq) | 1 mA |
| Current-Supply(Max) | 30 mA |
| PSRR | 75dB (120Hz) |
| ProtectionFeatures | Current Limit, Thermal Shutdown |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Visão Geral
Description
Key features include thermal shutdown protection and reverse polarity protection, enhancing reliability and safety. Its low dropout voltage, approximately 200 mV at 100 mA, ensures efficient operation even when the input voltage is close to the output voltage. Additionally, the LM2931AD50R provides good line and load regulation, ensuring stable output across varying conditions.
Packaged in a compact form factor, such as the SOIC-8, it is suitable for space-constrained applications. The regulator is commonly used in automotive, industrial, and consumer electronics due to its robust performance and protective features. Overall, the LM2931AD50R is a versatile and reliable choice for maintaining a stable power supply in a wide range of electronic systems.
Equivalent
1. MC7805 – A common 5V voltage regulator.
2. L78M05 – Another 5V linear regulator from the 78Mxx series.
3. LT1121-5 – A low dropout 5V regulator.
4. MIC29302 – A high current, low dropout regulator.
These equivalents may vary based on specific parameters like output current, dropout voltage, and package type, so it's important to verify compatibility with your application requirements.
Features
1. Output Voltage: It provides a fixed output voltage of 5.0V.
2. Input Voltage: It operates with an input voltage range of up to 26V.
3. Low Quiescent Current: Offers low standby current, making it ideal for battery-powered applications.
4. Dropout Voltage: Exhibits a low dropout voltage, typically around 0.2V at 100mA, ensuring efficient operation.
5. Output Current: Capable of delivering up to 100mA load current.
6. Protection Features: Includes thermal shutdown and current limiting to safeguard against overload conditions.
7. Temperature Range: Operates over a wide temperature range, from -40°C to +125°C, suitable for various environments.
8. Package: Comes in a compact SOIC-8 package, facilitating easy integration into designs.
These features make the LM2931AD50R suitable for applications requiring stable voltage in automotive, industrial, or consumer electronics.
Pinout
1. Input Voltage Pin: Receives the unregulated input voltage.
2. Ground Pin(s): Connects to the system ground.
3. Output Voltage Pin: Provides the regulated 5V output.
4. Shutdown/Enable Pin: Used to turn the regulator on or off, depending on the model.
5. Bypass/Adjust Pin: Allows for noise reduction or output voltage adjustments in some configurations.
Note that not all pins may be active and some might be NC (No Connect) in specific models or configurations. Always refer to the specific datasheet for precise pin configuration and functions.