TLV431BIDBVTG4

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	TLV431B
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Cathode:	100µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	--
Tolerance:	±0.5%
Current - Output:	15mA
Voltage - Output (Max):	6V
Voltage - Output (Min/Fixed):	1.24V
Output Type:	Adjustable
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The TLV431BIDBVTG4 is a popular adjustable Precision Shunt Voltage Reference, often used in peripheral circuit power management applications. It is part of the family of electronic components generally classified as PMIC - Voltage Reference. The reference voltage is adjustable and is set with an external resistor divider. The maximum external divider value is limited to 600 kOhms, which is the maximum open-loop gain of the device. The TLV431BIDBVTG4 is a low-power device and its PDMAX rating is only 40 mW.The TLV431BIDBVTG4 has a wide operating temperature range, which extends from -40 °C to +125 °C, making it suitable for applications that require temperature stability. The device has an ESD rating of +-4 kV and an over-voltage protection rating up to +-200 V. By default, the TLV431BIDBVTG4 has a self-bias output with an output impedance of 10kOhms and a quiescent current of 1uA. The output buffer can be externally programmed to 40mA and is compatible with any voltage.The TLV431BIDBVTG4 is commonly used in a variety of power management applications, such as mobile phones, computers, digital cameras, and automotive applications, as it provides an adjustable output voltage that is rail to rail and stable over temperature and over extended input voltage ranges. In these applications, the TLV431BIDBVTG4 is connected to the input voltage source, allowing it to be adjusted for the desired output voltage. The adjusted voltage is then supplied to the load.To understand the basic working principle of the TLV431BIDBVTG4, it is important to understand the inner working of an op-amp. The TLV431BIDBVTG4 is a three terminal adjustable series voltage reference, commonly referred to as a bandgap reference. It consists of a differential amplifer composed of two NPN transistors and a PNP transistor as well as a resistor network.When the TLV431BIDBVTG4 first powers up, no external bias is applied to the amplifier which allows its gain to fall to zero. This causes the voltage at the inverting input to be zero, and the output voltage is determined by the voltage developed across the resistor network. This voltage is referred to as the bandgap voltage, and is a stable, temperature-insensitive voltage reference.The output of the amplifier can then be adjusted by applying an external bias to the amplifier’s inverting input. This external bias is set using an external resistor divider which adjusts the voltage applied to the amplifier’s inverting input and thus sets the output voltage. This adjusts the output of the amplifier to the desired voltage.The TLV431BIDBVTG4 is a very useful device for many power management applications. It can be used in boost, buck and buck-boost converters, as well as for linear voltage regulation and cctv cameras and audio electronics. As it is adjustable, the output voltage can be adjusted and the device can be used to provide a voltage reference to the power delivery stage of the circuit. This can help to provide a stable and accurate output voltage, thus reducing noise and system errors.In summary, the TLV431BIDBVTG4 is a adjustable precision shunt voltage reference, which is part of the family of electronic components classified as PMIC – Voltage Reference. It is commonly used in a range of power management applications, such as mobile phones, computers, digital cameras, and automotive applications. It is easily adjustable with an external resistor divider, and provides a stable, temperature-insensitive voltage reference. The voltage reference provided can help to provide a more stable and accurate output voltage, thus reducing noise and system errors.

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