TL431ACDM

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TL431ACDM is a three-terminal adjustable voltage regulator, which belongs to the family of PMIC (Power Management Integrated Circuits). It is based on a shunt regulator topology and is offered in fixed, preset, adjustable and programmable voltage references, with a wide range of voltage output capabilities. TL431ACDM is capable of providing stable output voltage up to a maximum of 36 V, with a typical accuracy of 0.8%. It also features a current limit of 0.5 A, over-voltage protection and thermal shutdown capabilities.

There are two main types of TL431ACDM: the fixed reference and the adjustable reference. The fixed TL431ACDM has an output voltage that cannot be adjusted, and can be used to provide a stable voltage for many applications, such as to power an amplifier or to provide a stable 5 V supply for a microcontroller or microprocessor. The adjustable version is used when an adjustable output voltage is required, such as when the voltage needs to be varied to reduce power consumption, or to adjust the brightness of an LED.

The TL431ACDM works by preventing the regulated output voltage from deviating more than 10mV from the programmed voltage, which is set using an external resistor divider network. This is done by sensing the few millivolts difference between the regulated output voltage and the programmed voltage and using an internal error amplifier to drive an internal output transistor that maintains the voltage at the programmed value. By adjusting the external resistor divider, the output voltage of the TL431ACDM can be adjusted.

TL431ACDM is used in a wide range of consumer and industrial applications, such as for power control and management, battery protection, input range selection, and DC-DC converters. TL431ACDM can also be used in solar panel applications to provide stable current against varying voltage environments. TL431ACDM is commonly used in automotive lithium-ion charging systems, audio systems, and LED lighting applications, and has been designed to meet the demanding requirements of high temperature and wide-range supply.

TL431ACDM is a powerful and versatile device for applications requiring stable, adjustable output voltages, and with its wide range of voltage output capabilities and compatibility with various applications, it can serve as a great alternative to other voltage reference devices. It is a reliable, cost-effective and highly-flexible device, offering a wide range of features and benefits that make it the ideal choice for power control and management solutions.

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