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LMV431BCM5
+NomenclatureIC VREF SHUNT ADJ 0.5% SOT23-5
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FabricantTexas Instruments
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Pièce fabricant #LMV431BCM5
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Package SOT-23
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En stock5975
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Obsolete |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 1.24V |
| Voltage-Output(Max) | 30 V |
| Current-Output | 15 mA |
| Tolerance | ±0.5% |
| Current-Cathode | 80 µA |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Présentation
Description
Key features of the LMV431BCM5 include a wide operating voltage range, low operational current, and the ability to adjust the output voltage using external resistors. The device is known for its precision with a typical reference voltage tolerance of ±1%. This makes it suitable for applications that require accurate voltage references, such as in battery-powered devices and switching power supplies.
The LMV431BCM5 is available in a small SOT-23-5 package, which makes it ideal for space-constrained applications. Its low output impedance and stability over temperature variations further enhance its reliability in various electronic circuits.
Equivalent
1. TLV431 from Texas Instruments
2. LM4041 from ON Semiconductor
3. TL431 from STMicroelectronics
4. AS431 from Diodes Incorporated
5. KA431 from Fairchild Semiconductor
These components offer similar functionalities and are used in voltage regulation and reference applications. Always verify specifications and pin compatibility when selecting a substitute.
Features
1. Voltage Reference: It provides a stable reference voltage, typically around 1.24 V, which is adjustable using external resistors.
2. Output Range: The device supports an output voltage range of 1.24 V to 15 V.
3. Low Voltage Operation: It operates efficiently at a low voltage, making it suitable for battery-powered applications.
4. Wide Operating Current: It can function with a cathode current as low as 80 µA and as high as 15 mA.
5. Temperature Stability: The shunt regulator exhibits excellent temperature stability, ensuring consistent performance across a wide temperature range.
6. Precision: High accuracy with a tolerance of ±1% for the reference voltage.
7. Package: Available in a compact SOT-23-5 package, suitable for space-constrained designs.
8. Applications: Ideal for use in linear regulators, adjustable power supplies, and switching power supplies as a reference voltage source.
These features make the LMV431BCM5 a versatile component in circuits requiring precise voltage regulation and reference.
Pinout
1. Cathode (K): This is the output pin, where the regulated voltage is provided. It acts as the anode for the internal reference and comparator.
2. Anode (A): This pin is the ground of the device and provides the return path for the cathode current.
3. Reference (R): This pin is connected to the non-inverting input of the internal comparator. It is used to set the output voltage by connecting it to an external resistor divider.
4. N/C (No Connection): This pin is typically not connected internally in the package.
5. Adjust (Adj): Used to adjust the output voltage by setting the voltage on the Reference pin.
The device is used for creating a stable reference voltage in various applications, including power supplies and voltage monitoring circuits.
Manufacturer
Application
1. Switching Power Supplies: Helps in maintaining a stable output voltage.
2. Overvoltage/Undervoltage Protection: Monitors and controls voltage levels in electronic circuits.
3. Battery Chargers: Ensures efficient charging by providing a stable reference voltage.
4. Instrumentation: Provides precise voltage regulation for sensitive measurement equipment.
5. Consumer Electronics: Used in devices that require reliable voltage references for optimal performance.
Its low-voltage operation makes it suitable for energy-efficient and portable applications.