TL431IDBVT

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The TL431IDBVT is a three-pin, adjustable shunt regulator with a high gain and wide operating range, making it an ideal choice for voltage reference applications. The TL431IDBVT operates over a wide input voltage range of 2.5 V to 36 V and provides a regulated output voltage that is adjustable between 1.25 V and 36 V. Its typical accuracy of 0.2% (max) also makes it suitable for general purpose reference applications in systems that require precise reference voltage control.

The TL431IDBVT is designed to operate in a variety of configurable topologies, including its two-terminal zener diode configuration in which the voltage reference is established across the two pins; the three-terminal configuration in which the output voltage can be adjusted over a wide range by the external resistor network; or its four-terminal configuration, in which feedback to the IC\'s sense pin maintains a negative or positive slope with respect to the output voltage. The device is available in a variety of package types, including the 2-pin SOT-23, 2-pin SIP, 3-pin SOT-23 and 4.5-pin SIP.

The TL431IDBVT operates on an internal current source of 1.2 mA, allowing the voltage to be accurately scaled by the external resistor divider. It comes with a 100 nA reference current devices allowing it to achieve a wide input voltage range with a small number of devices. The TL431IDBVT is ideal for voltage regulation applications as it features tight regulation (typically ± 0.2%) and low output noise. It can also be used as a current monitor since its reference current can be set to a maximum of 1000 µA.

The TL431IDBVT is widely applicable for use in a wide range of voltage references applications. It can be used in a variety of applications that require precise voltage regulation, such as LDOs, precision voltage references, voltage cascading, and adjustable power supplies. The device is also suitable for applications such as peak current sensing, voltage amplitude measurement, precision voltage dividers, and current sources. It is often used in battery charger applications and power supply sequencing.

Due to its high gain and wide operating range, the TL431IDBVT is an ideal choice of device for voltage reference applications as it offers precise control over the output voltage and predictable transient response to input voltage variations. The device also offers robustness and low power consumption, making it suitable for a range of applications from high performance to cost-sensitive designs.

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