LM723CN/NOPB

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LM723CN/NOPB Application Field and Working Principle

The LM723CN/NOPB is a classic voltage regulator device that is part of the linear voltage regulator family under the category of Power Management and Integrated Circuits (PMIC). This voltage regulator device has a wide range of applications due to its stable performance and low noise characteristics. It is a low-cost linear regulator that can be used to regulate voltages from a nominal 4V to an adjustable 24V. The voltage can be adjusted by the further application of potentiometer.

The LM723CN/NOPB is a highly integrated solution for achieving a precision regulated output voltage. It consists of an operational transconductance amplifier, error amplifier, a high-gain output stage, current sense capabilities, a voltage reference, and a MOSFET series pass element. With a simple application of two external resistors and capacitors, the LM723CN/NOPB provides accurate and stable outputs, with a bandwidth of around 100KHz. It also offers low noise and low offset performance.

This device can be used in a wide range of applications, such as controlling the output voltage of linear regulated power supplies, including DC/DC converters, and also controlling the output voltage of switching regulated power supplies. Other applications include power source and battery charging systems, battery-powered instrumentation, central office and telecom power supplies, process control systems, commercial and industrial applications. It can also be used in electrical and electronic instrumentation, communication systems, and industrial automation systems.

The working principle of the LM723CN/NOPB is based on the differential input stage. The main part of this device is an error amplifier, which is used to create the feedback voltage that controls the pass element. This feedback voltage is then compared with a pre-set reference voltage produced by a voltage reference. This comparison creates an error voltage that is amplified by the error amplifier and then fed back to the pass element to create a regulated output voltage. This feedback loop keeps the output voltage in a steady state.

The LM723CN/NOPB is designed so that the output voltage can be adjusted by varying the resistor values connected to the error amplifier. This allows the output voltage to be adjusted without introducing a great amount of noise or loading on the input source. The LM723CN/NOPB can also be used to regulate current, since the current sense capabilities can be used to adjust the output current.

The LM723CN/NOPB is a great choice for applications that require low voltage regulation and output signal accuracy. Its simple design and low cost make it ideal for a wide range of applications. Its high performance and efficient design make it a very valuable device for both industrial and consumer applications.

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