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LMV431AIMFX
Voltage References 1%, low-voltage (1.24-V) adjustable precision shunt regulator 3-SOT-23 -40 to 85
LMV431AIMFX
Voltage References 1%, low-voltage (1.24-V) adjustable precision shunt regulator 3-SOT-23 -40 to 85
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Manufacturer Part # : LMV431AIMFX
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Package/Case: SOT23-3
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Brand: Texas Instruments
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Product Categories : Voltage Reference
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Service & Packaging
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LMV431AIMFX DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The LMV431AIMFX is a precision shunt regulator that offers a wide range of adjustment from 1.24V to 30V. With negative feedback control and a two-resistor voltage divider, it provides stable and accurate cathode voltage. The initial tolerances of the LMV431AIMFX are 1.5%, 1%, and 0.5% for LMV431, LMV431A, and LMV431B respectively, making them suitable for various applications requiring zener diode type performance at low voltages. Whether it's a low drop-out regulator, an error amplifier in a 3V off-line switching regulator, or a voltage detector, the LMV431AIMFX delivers consistent and reliable performance. Additionally, these regulators are stable with capacitive loads greater than 10nF and less than 50pF, making them versatile and adaptable to different circuit requirements. With a competitive price point, the LMV431AIMFX offers cost-effective performance without compromising on quality and precision
Key Features
- The LMV431AIMFX has a low operating voltage
- It operates from a supply voltage as low as 1V and consumes very low quiescent current
- This feature makes it suitable for battery-powered applications
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| VO (V) | 1.24 | Initial accuracy (max) (%) | 1 |
| VO adj (min) (V) | 1.24 | VO adj (max) (V) | 30 |
| Iz for regulation (min) (µA) | 80 | Reference voltage (V) | adjustable |
| Rating | Catalog | Temp coeff (max) (ppm/°C) | 129, 138 |
| Operating temperature range (°C) | -40 to 85, 0 to 70 | Iout/Iz (max) (mA) | 15 |
Specification Comparison
FAQs
What is LMV431AIMFX?
The LMV431AIMFX is a low-voltage, adjustable precision shunt regulator manufactured by Texas Instruments. It is commonly used for voltage reference and regulation applications in various electronic systems.
How Does LMV431AIMFX Work?
The LMV431AIMFX functions as a precision shunt regulator, maintaining a stable output voltage by shunting excess current to ground. It compares the reference voltage with the feedback voltage and adjusts the shunt current accordingly to regulate the output voltage at the desired level.
How Many Pins does LMV431AIMFX have and What are the Functions of the Pinout Configuration?
The LMV431AIMFX comes in a 5-Pin SOT-23 package. The pinout configuration includes:
- REF: Reference voltage pin.
- IN: Input voltage pin.
- V-: Ground pin.
- SET: Feedback pin.
- OUT: Output voltage pin.
What are the Pros and Cons of LMV431AIMFX?
Pros:
- Precision Voltage Regulation: Offers accurate voltage regulation for various electronic circuits.
- Low Voltage Operation: Suitable for low-voltage applications.
- Adjustable Output: Provides flexibility in setting the output voltage.
- Low Dropout Voltage: Maintains regulation even when the input voltage is close to the output voltage.
- Compact Package: The SOT-23 package is space-efficient for compact designs.
Cons:
- Current Limitations: May not handle high current loads compared to other regulators.
- Thermal Considerations: Requires thermal management for efficient operation at higher power dissipation.
- External Components: Some applications may require external components for stability and performance optimization.
Are There Any Equivalents/Alternatives to LMV431AIMFX for Recommendation?
- The TL431 from Texas Instruments is a similar adjustable shunt regulator offering comparable performance.
- Alternative options to the LMV431AIMFX include the LT1461 from Linear Technology and the ADP3338 from Analog Devices.
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