TLV431BLP

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TLV431BLP is a kind of component from Texas Instruments and is categorized as a Voltage Reference in PMIC (Power Management Integrated Circuit). This component provides a reference voltage for a wide range of applications as a result and helps to reduce the voltage ripple caused by power supply noise to offer superior performance. It works by precisely controlling and regulating the voltage level of an electronic circuit using an internal stable voltage reference source. This component offers design flexibility with a variety of characteristics and features:

Features and Benefits

• It provides a wide range of low reference voltage from 1.25V to 36V
• It provides a very accurate voltage reference to help reduce ripple caused by power supply noise
• The output is stable over-temperature and load current
• It includes an enable/disable function to allow the user to easily shut down the device if necessary
• It has a wide operating current range of between 4mA and 8mA
• It has an adjustable output voltage range that can be adjusted via a resistive divider circuit

Application Fields

TLV431BLP finds its application in electronic systems such as automotive electronics, communication systems, consumer electronics, industrial control applications, and computer systems. In automotive electronics, for example, it can be used for controlling the voltage levels in the engine management system, air conditioning system, body electrical systems, entertainment systems, and other related systems. In communication systems, it can be used for Voltage Regulated Oscillator (VCO) tuning, error corrector bias adjustment, and other power supply related tasks. In consumer electronics, it is suitable for applications such as LCD and DLP display systems and portable electronics such as mobile phones, PDAs, and MP3 players. In industrial control applications, it is useful for adjustable voltage references, voltage regulators, and many other power supply related tasks.

Working Principle

TLV431BLP operates on the principle of controlling and regulating the voltage of electronic circuits using an internal stable voltage reference source. The component includes an adjustable output voltage control amplifier and a temperature-compensated controlled current source. The adjustable output voltage control amplifier is used to adjust and control the output voltage by using a voltage-divider network, while the temperature-compensated controlled current source is used to sense the reference voltage and provide a stable output voltage over-temperature and load current variations.

The voltage reference is typically set up to provide the desired output voltage by adjusting the voltage-divider network, which is composed of two resistors. The output voltage is given by the equation (Vin-Vref)/(R2/R1+R2) = Desired Output Voltage where Vin is the power supply voltage, Vref is the voltage reference, R1 and R2 are the two resistors in the voltage-divider network, and the desired output voltage is the output voltage the user wants the component to provide.

The component also includes an enable/disable pin, which allows the user to easily shut down the device if necessary. The component also monitors and maintains an average output voltage accuracy of ±1.0%, ±2.0%, and ±4.0%. This allows for more precise voltage levels and helps to reduce the ripple caused by power supply noise, providing superior performance for the desired application.

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