TL431QPK

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Reference Type:	Shunt
Output Type:	Adjustable
Voltage - Output (Min/Fixed):	2.495V
Voltage - Output (Max):	36V
Current - Output:	100mA
Tolerance:	±2.2%
Temperature Coefficient:	--
Noise - 0.1Hz to 10Hz:	--
Noise - 10Hz to 10kHz:	--
Voltage - Input:	--
Current - Supply:	--
Current - Cathode:	1mA
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-243AA
Supplier Device Package:	SOT-89-3
Base Part Number:	TL431

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PMIC - Voltage Reference
PMIC stands for Power Management Integrated Circuit. It is an integrated circuit that includes multiple full-featured power management units, each one optimized for a specific application - such as voltage reference, voltage and current regulators, voltage protection, and more. Voltage reference is a type of power management technology that maintains a constant voltage output regardless of line, load, and temperature variations. The TL431QPK is a type of voltage reference PMIC specifically designed by Texas Instruments.The TL431QPK is specifically intended to provide voltage regulation, replacing costly and bulky three-terminal can, linear diode or zener current-limiting circuits. It provides a way to accurately regulate voltage and it is low in both cost and size, making it ideal for voltage reference applications in a variety of settings, such as in car audio systems, industrial instruments, and monitoring systems.The TL431QPK can also be used in numerous applications where voltage reference accuracy and temperature stability are critical. It is especially useful in computing, telecommunications and switching applications, as well as other electronic equipment.The TL431QPK is an adjustable three-terminal shunt regulator that combines both shunt and series reference regulators in one monolithic device. There are three pins on the devicethat make up the primary control loop - an input voltage VIN, an output voltage VO, and a reference voltage Vref. These three pins are isolated from each other and they all interact with each other to provide a stable output voltage.The TL431QPK\'s internal circuit is a comparison amplifier that compares the forward voltage drop of the series regulator to a voltage reference voltage. The amplified difference signal is used to drive the shunt regulator, resulting in a remarkably accurate output voltage. The device also has protection features that help protect the device from overvoltage and overcurrent conditions, resulting in enhanced reliability.The TL431QPK is an ideal solution for applications that require simple, stable and accurate voltage regulation. It can also be used in circuit designs where low output impedance and low quiescent current are critical.The TL431QPK not only has the capability to accurately regulate voltage, but it also has a wide dynamic operating range, making it the perfect solution in a number of applications. It is available in several package options, including a 3-lead SOT-23, 4-lead SOT-23 and 6-lead MSOP packages.In summary, the TL431QPK is a type of adjustable PMIC voltage reference designed for applications requiring accurate voltage regulation. It has an internal circuit that can compare voltage levels, resulting in stable and accurate output voltage levels. The device is low in size and cost, making it perfect for a range of applications. It can also be used in numerous applications where voltage reference accuracy and temperature stability are critical.

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