TL1431ACCT

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TL1431ACCT is a low-cost 3-terminal adjustable voltage reference integrated circuit developed for use in precision current and voltage regulating circuits. It has a wide operating voltage range of 2 to 6.5V and current consumption of only 8μA (typical). It is an easy-to-use and adjustable voltage reference, capable of stabilizing voltage outputs with an accuracy of ±1%, even in noisy environments. The output voltage is adjusted using an external control voltage applied to the adjustment pin, and the reference voltage range is easily set using a simple potentiometer. The TL1431ACCT has many advantages, including low cost, low power consumption, wide operating voltage range and excellent temperature stability.

The TL1431ACCT is primarily used in power management integrated circuits (PMIC), such as switching regulators and other voltage reference applications. It serves as a voltage reference or reference source between the power source and the load. Its primary purpose is to ensure that the load receives the required voltage despite changes in the power supply and load conditions. It also serves to reduce the power dissipation of the power converter by providing a stable, low-noise supply for control and regulation circuits.

The working principle of the TL1431ACCT is the operation of its high-stability band-gap reference. This enables the device to provide an extremely accurate and stable output voltage, no matter the input voltage. The temperature coefficient of the reference voltage output is typically less than 0.2mV/°C, ensuring excellent temperature stability. The output voltage is also adjustable externally, using a potentiometer connected to the control voltage pin. The output voltage can be linearly adjusted between 1.200V and 6.000V, allowing the TL1431ACCT to be effectively used in applications that require different output voltages while ensuring supply stability and accuracy.

In summary, the TL1431ACCT is an excellent 3-terminal adjustable voltage reference integrated circuit used in many power management applications. It offers low cost, low power consumption, wide operating voltage range, and excellent temperature stability. It is an excellent solution for precision current and voltage regulating circuits and for adjusting the output voltage of other PMICs.

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