LM431BCMX/NOPB

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LM431
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Current - Cathode:	1mA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	50ppm/°C Typical
Tolerance:	±1%
Current - Output:	100mA
Voltage - Output (Max):	37V
Voltage - Output (Min/Fixed):	2.495V
Output Type:	Adjustable
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to LM431BCMX/NOPB

The LM431BCMX/NOPB is an adjustable precision low-dropout adjustable voltage reference IC that is specifically designed for power management, control, industrial and automotive applications. This 4-terminal device offers a wide operating voltage range from 2.5V to 18V and is suitable for both oscillator and low power linear applications. It is a four-pin SOT-23 package, with a single output pin with adjustable current and output current range of 1mA to 20mA. It also features an input voltage range of 0.7V to 1.8V and an output voltage range of 0.5V to 9V.

Application Field of LM431BCMX/NOPB

The LM431BCMX/NOPB is an ideal choice for precision voltage regulation applications in pharmaceutical, automotive, industrial and general purpose markets, where excellent thermal and power supply stability is required. It can also be used in oscillators and tone generators, as well as in any other linear voltage regulating circuits, since it provides excellent dynamic accuracy over temperature and line variations, making it an ideal choice for precision electronic applications. It can also be used in battery-powered systems or devices, where it helps reduce consumption by lowering the output voltage and improving battery efficiency, thereby extending the battery life.

Working Principle of LM431BCMX/NOPB

The LM431BCMX/NOPB works on the principle of closed-loop control theory. It uses an inbuilt voltage reference to monitor the output voltage and compares it to an adjustable reference voltage at its reference terminal. If the output voltage deviates from the set reference voltage, the device initiates a feedback process to adjust the output voltage to match the reference voltage. The LM431BCMX/NOPB has three pins, namely - input, output and reference. The output current is adjustable across the input and reference pins, to provide the user with the maximum precision required in the output voltage. The LM431BCMX/NOPB features a wide operating voltage range, adjustable output current, increased power supply stability and high dynamic accuracy. It is also optimized for excellent temperature stability and features low drift characteristics. The wide operating voltage range makes it suitable for numerous applications, including power management, control, industrial and automotive applications. The adjustable current feature allows users to have precise control over their applications. The LM431BCMX/NOPB also offers excellent stability across load currents and temperature variations.In conclusion, the LM431BCMX/NOPB is an ideal choice for low-dropout adjustable voltage reference applications in markets that require precision voltage regulation for high performance and reliability. Its wide operating voltage range, adjustable output current and increased power supply stability make it the perfect solution for various applications.

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