LM431AIM3/NOPB Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Reference Type:	Shunt
Output Type:	Adjustable
Voltage - Output (Min/Fixed):	2.495V
Voltage - Output (Max):	37V
Current - Output:	100mA
Tolerance:	±2.2%
Temperature Coefficient:	50ppm/°C Typical
Noise - 0.1Hz to 10Hz:	--
Noise - 10Hz to 10kHz:	--
Voltage - Input:	--
Current - Supply:	--
Current - Cathode:	1mA
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3
Base Part Number:	LM431

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Introduction to LM431AIM3/NOPB

The LM431AIM3/NOPB is a voltage reference IC from Texas Instruments. This is a three-terminal adjustable shunt regulator that operates with an input voltage between 4.5 V and 36 V and provides a fixed output current with 3 V to 16 V of adjustable voltage range. It is suitable for applications in which accuracy, stability, and low cost are important considerations.

PMIC- Voltage Reference LM431AIM3/NOPB Application Field and Working Principle

The LM431AIM3/NOPB is an adjustable shunt regulator used for a variety of voltage reference applications. It is designed to provide an adjustable output voltage from 3V to 16V with an input voltage range from 4.5V to 36V. The regulator is capable of supplying up to 500mA of output current.The LM431AIM3/NOPB uses a zener diode to establish a reference voltage. This reference voltage is compared to a voltage from a voltage divider connected to the output. The difference between the two voltages is amplified and applied to the base of the output transistor. When the output voltage falls below the reference voltage, the transistor is turned on, allowing current to flow through the voltage divider, reducing the output voltage. When the output voltage rises above the reference voltage, the transistor is turned off, removing current from the divider and increasing the output voltage.The LM431AIM3/NOPB can be used in applications such as power supplies, voltage regulator circuits, reference voltage source, audio systems, and communications systems. It has excellent line and load regulation characteristics, making it an ideal choice for applications that require precise voltage regulation.

Features of LM431AIM3/NOPB

The LM431AIM3/NOPB has several features that make it an attractive choice for voltage reference applications. It has a low dropout voltage, enabling it to maintain a stable output even with a low supply voltage. It also has a wide input voltage range from 4.5 V to 36 V and an adjustable output voltage from 3 V to 16 V. It can provide current up to 500 mA and has a very low temperature coefficient of 0.03%.The LM431AIM3/NOPB is also very reliable and has a long operating life. Its temperature range is from -40°C to +85°C, making it suitable for use in a variety of industrial and commercial applications. Furthermore, it is available in an 8-pin SOIC package.

Applications of LM431AIM3/NOPB

The LM431AIM3/NOPB can be used in a variety of applications, including power supplies, voltage regulator circuits, reference voltage source, audio systems, and communications systems.Power supply applications can benefit from the LM431AIM3/NOPB\'s low dropout voltage, wide input voltage range, and adjustable output voltage. It can be used to regulate the voltage in computer power supplies, servers, and other related equipment.The LM431AIM3/NOPB can also be used in voltage regulator circuits. It can be used to provide a stable output voltage over a wide input voltage range, making it ideal for battery-powered applications.For reference voltage source applications, the LM431AIM3/NOPB\'s low temperature coefficient of 0.03% ensures its output remains very stable over a wide temperature range.Furthermore, the LM431AIM3/NOPB can be used in audio systems for volume control and for audio signal conditioning. It can also be used in communications systems for signal conditioning, limiting, and power control.

Conclusion

The LM431AIM3/NOPB is a voltage reference IC from Texas Instruments. It is designed to provide a fixed output current with 3 V to 16 V of adjustable voltage range with an input voltage between 4.5 V and 36 V. It is suitable for applications in which accuracy, stability, and low cost are important considerations. The LM431AIM3/NOPB is an adjustable shunt regulator used for a variety of voltage reference applications. It can be used in applications such as power supplies, voltage regulator circuits, reference voltage source, audio systems, and communications systems. It has excellent line and load regulation characteristics, and a long operating life. The LM431AIM3/NOPB is an ideal choice for applications that require precise voltage regulation.

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