TLV431BCDBVTG4

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:	0°C ~ 70°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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Introduction

The TLV431BCDBVTG4 is a low-power, low-voltage, low-accuracy voltage reference IC for electronic circuits. Its low voltage requirements make it ideal for small-signal, low-power applications such as temperature sensing, monitoring, and measuring. It has a wide application field in electronic devices and is broadly categorized as part of PMIC – Voltage Reference. This article is an overview of the TLV431BCDBVTG4 application field and working principle.

Application field of the TLV431BCDBVTG4

The TLV431BCDBVTG4 is a voltage reference IC that has a wide range of applications including temperature sensing, monitoring, and measuring. The device features a low supply current of under 1 µA and an accurate output voltage accuracy of ±2%.The low-voltage and high-precision features make the TLV431BCDBVTG4 suitable for a large variety of low-power, small-signal applications such as control systems, heart-rate monitors, thermostats, etc. These devices can also be used in measuring voltage levels in battery management circuits, microprocessors, and light sensors due to their low reference current and low noise characteristics. Furthermore, power converters, power supplies, and switching circuits are also benefited from using the TLV431BCDBVTG4 for voltage reference.

Working Principle of the TLV431BCDBVTG4

The TLV431BCDBVTG4 works on the principle of a two-terminal zener diode-based voltage reference. It consists of a zener diode and two input terminals, a reference terminal and a feedback terminal. When an input voltage is connected to the reference terminal, the zener diode regulates it and forms a stable reference voltage at the feedback terminal. The TLV431BCDBVTG4 features a series of features that help make it an efficient voltage reference IC. First, when the voltage at the feedback terminal increases, the Zener diode increases its resistance and limits the current drawn from the reference terminal. This helps to reduce power consumption and keeps the output voltage stable.Second, the device features a low temperature coefficient. The low temperature coefficient allows the output voltage to remain stable even when the device’s surrounding Temperature changes. Additionally, the device also features a high voltage headroom characteristic which helps keep the output voltage close to the desired voltage level. The TLV431BCDBVTG4 also features a low-output impedance characteristic. This helps to keep the output voltage resistant to external noise and interference. Furthermore, the device has a programmable reference voltage from 1.22V to 36V. This feature helps with adjusting the power supply voltage for different applications.

Conclusion

The TLV431BCDBVTG4 is a voltage reference IC that is ideal for low-power, small-signal applications requiring a low-voltage, low-accuracy reference. It features a series of features such as a low supply current of under 1 µA and a low temperature coefficient that help make it an efficient voltage reference. Additionally, the device also has a programmable reference voltage from 1.22V to 36V. This helps with adjusting the power supply voltage for different applications. It performs an important role in PMIC - Voltage Reference and has a broad range of applications such as temperature sensing, monitoring, and measuring.

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