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LM431BIM3X
Voltage References 2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator 3-SOT-23 -40 to 85
LM431BIM3X
Voltage References 2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator 3-SOT-23 -40 to 85
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Manufacturer Part # : LM431BIM3X
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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
Service & Packaging
About After Sales Service
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Initiate the application within 90 days from the shipment date.
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LM431BIM3X 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 LM431BIM3X is a versatile precision voltage reference that offers reliable and accurate performance for a wide range of applications. With a nominal voltage of 2.495V and a typical output voltage tolerance of ±1%, this device is well-suited for precision circuits where stability and accuracy are crucial. Its low dynamic impedance of 0.2Ω ensures consistent performance across varying operating conditions, making it an ideal choice for demanding electronic designs
Key Features
- LM431BIM3X provides high precision shunt voltage reference
- Wide temperature range from -40°C to 125°C available
- Packed in SOT-23 package for small size use
- Able to provide 2.5V output with high accuracy
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| VO (V) | 2.5 | Initial accuracy (max) (%) | 0.5, 1, 2 |
| VO adj (min) (V) | 2.5 | VO adj (max) (V) | 36 |
| Iz for regulation (min) (µA) | 400 | Reference voltage (V) | adjustable |
| Rating | Catalog | Temp coeff (max) (ppm/°C) | 97 |
| Operating temperature range (°C) | -40 to 85, 0 to 70 | Iout/Iz (max) (mA) | 100 |
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM431BIM3X?
The LM431BIM3X is a precision adjustable shunt voltage regulator integrated circuit manufactured by Texas Instruments. It is commonly used for precision voltage regulation, voltage monitoring, and voltage reference applications in various electronic circuits.
How Does LM431BIM3X Work?
The LM431BIM3X operates by comparing a reference voltage (Vref) with an adjustable input voltage (Vin) and regulating the output voltage (Vout) accordingly. By adjusting the voltage at the adjustable pin, users can set the desired output voltage with high precision. The device functions as a shunt regulator, ensuring a stable and accurate output voltage despite variations in load and input voltage.
How Many Pins does LM431BIM3X have and What are the Functions of the Pinout Configuration?
The LM431BIM3X is housed in a 3-pin SOT-23 (Small Outline Transistor) package. The pinout configuration includes:
- Cathode (K): Output voltage pin.
- Anode (A): Adjustable input pin.
- Reference (Ref): Reference voltage pin.
What are the Pros and Cons of LM431BIM3X?
Pros:
- Precision Regulation: Offers precise voltage regulation and monitoring.
- Adjustability: Allows users to set desired output voltages with high accuracy.
- Stability: Provides stable performance despite load and input voltage changes.
- Low Cost: Economical solution for voltage regulation applications.
- Small Package: SOT-23 package is space-efficient and suitable for compact designs.
Cons:
- Low Current Capacity: May not be suitable for high-current applications.
- Temperature Sensitivity: Output voltage may drift with temperature changes.
- External Components: External resistor divider network may be needed for precise voltage setting.
Are There Any Equivalents/Alternatives to LM431BIM3X for Recommendation?
- Equivalent parts to the LM431BIM3X include the TL431 from Texas Instruments and the KA431 from Fairchild Semiconductor.
- Alternatives to the LM431BIM3X are the LM4040 from Texas Instruments and the LM336 from Texas Instruments.
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