LM431CCM3/NOPB Integrated Circuits (ICs)

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PMIC - Voltage Reference

LM431CCM3/NOPB belongs to the category of Programmable Shunt Voltage Regulators or Voltage references. It is a monolithic integrated circuit, applicable in the field of Semiconductor Technology. This IC is a general purpose voltage regulator which adapts precision voltage and current control technology into a small, low cost voltage reference module. It is manufactured by Texas Instruments and can accurately self-regulate the output voltage of any regulated source.

General Features

• Low output voltage tolerance (± 1 mV)
• Adjustable from 2 to 36 volts using an external resistor
• Output voltage range from 1.2 to 36 VDC
• Minimum line regulation (1% setting)
• Minimum load regulation (1% setting)
• Maximum output voltage setting from 2 to 36 V
• High frequency noise rejection
• Low ripples and free from spikes elimination

Working Principle

The LM431CCM3/NOPB works on the principle of negative feedback control. The output voltage of the LM431CCM3/NOPB is compared to a precision reference voltage (1.24V) coming from the IC and the difference is applied to the adjustment terminal. This denotes the functioning parameters of the IC like; Output Voltage, Voltage Drop across the Load, or Output current changes. Thus, the output of the LM431CCM3/NOPB is automatically regulated when the load applied on it changes.

Application Fields

• Power supply control and regulation
• Instrumentation applications
• Industrial monitoring systems
• Portable battery operated equipment
• Automotive systems
• Sensors used in production engineering
• Analog and digital circuits

The LM431CCM3/NOPB is very useful in applications where excellent voltage regulation is required. It is used in digital and analog circuits to reduce noise and improve accuracy. This IC can also be used to maintain consistency in the output voltage of different types of power supplies. It is also used in various industrial applications like voltage and current regulation in power supply, electrical instruments, measuring instruments, and automotive. The LM431CCM3/NOPB is also used in various medical fields such as medical imaging and diagnosis.

Conclusion

The LM431CCM3/NOPB programmable shunt voltage regulator is a versatile and convenient device that can be used to meet the exact voltage requirements of various types of electronic applications. Its precision voltage and current control make it ideal for many purposes, including power supply control and regulation, instrumentation applications, industrial monitoring systems, and so on. Its low output voltage tolerance (±1 mV) and high frequency noise rejection ensures accurate voltage and current control. As such, it is a reliable and cost effective choice for a range of applications.

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