LM431BIM3/NOPB Voltage References ADJ PREC ZENER SHUNT REG Integrated Circuits ICs
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LM431BIM3/NOPB Voltage References ADJ PREC ZENER SHUNT REG
| Texas Instruments | |
| Product Category: | Voltage References |
| RoHS: | Details |
| SMD/SMT | |
| SOT-23-3 | |
| Shunt Adjustable References | |
| 2.495 V to 37 V | |
| 1 % | |
| 97 PPM / C | |
| 37 V | |
| 100 mA | |
| - 40 C | |
| + 85 C | |
| LM431 | |
| Reel | |
| Cut Tape | |
| MouseReel | |
| Brand: | Texas Instruments |
| Description/Function: | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR |
| Height: | 0.93 mm |
| Length: | 2.92 mm |
| Maximum Output Voltage: | 36 V |
| Product: | Voltage References |
| Product Type: | Voltage References |
| Subcategory: | PMIC - Power Management ICs |
| Topology: | Shunt References |
| Width: | 1.3 mm |
| Unit Weight: | 0.000282 oz |
Description
The LM431 is a 3-terminal adjustable shunt regulator 1• Average Temperature Coefficient 50 ppm/°C
with ensured temperature stability over the entire • Temperature Compensated for Operation Over
temperature range of operation. The output voltage the Full Temperature Range may be set at any
level greater than 2.5 V (VREF) up • Programmable Output Voltage to 36 V merely by selecting two
external resistors that • Fast Turnon Response act as a voltage divided network. Due to the sharp
turnon characteristics this device is an excellent • Low-Output Noise replacement for many Zener
diode applications. • Low-Dynamic Output Impedance.
Features
●Average Temperature Cofficient 50 ppm/°C
●Temperature Compensated for Operation Over
the Full Temperature Range
●Programmable Output Voltage
●Fast Turnon Response
●Low-Output Noise
●Low-Dynamic Output Impedance
●Available in Space- Saving SOlC-8, SOT-23, and
TO-92 Packages
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Programmable voltage reference: The LM431 can be programmed to provide a precise output voltage
reference by connecting external resistors to set the desired voltage level.
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Precision and accuracy: It offers a high level of precision and accuracy in voltage regulation, with low
initial tolerance and temperature coefficient.
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Wide voltage range: The LM431BIM3/NOPB can operate with a wide input voltage range, typically
from 2.5V to 36V, making it suitable for a variety of power supply applications.
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Low dynamic impedance: The IC exhibits low dynamic impedance, providing good stability and
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regulation even with varying load conditions.
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Adjustable output voltage: The output voltage of the LM431 can be adjusted through external
resistors, allowing for flexibility in setting the desired voltage level.
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Low quiescent current: The IC has low quiescent current consumption, which helps in minimizing
power dissipation and energy efficiency.
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Sink current capability: The LM431 can sink current from an external source, making it suitable for
applications that require current sinking or load control.
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Small package: The LM431BIM3/NOPB is available in a small SOT-23-3 package, which is a
surface mount package with three pins.
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Wide temperature range: It can operate over a wide temperature range, typically from -40°C
to 85°C, allowing for reliable operation in various environments
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Applications
●Adjustable Voltage or Current Linear and
Switching Power Supplies
●Voltage Monitoring
●Current Source and Sink Circuits
●Circuits Requiring Precision References
●Zener Diode Replacements
