TLV431ALPRAG Integrated Circuits (ICs)

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	TLV431
Supplier Device Package:	TO-92 (TO-226)
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Cathode:	80µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	--
Tolerance:	±1%
Current - Output:	20mA
Voltage - Output (Max):	16V
Voltage - Output (Min/Fixed):	1.24V
Output Type:	Adjustable
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TLV431ALPRAG is an integrated circuit from Texas Instruments that belongs to the group of voltage references. It is designed to balance precision linear Voltage Regulation, low power loss and wide temperature range for a wide range of applications.TLV431ALPRAG provides a reference voltage output range of 2.5 to 6.0 Volts. It can be used in any application requiring a precise and stable reference voltage, such as where a regulated voltage is required and large power consumption is not a major issue.TLV431ALPRAG Appliacation FieldTLV431ALPRAG can be used in applications where precise and stable reference voltages are required. These include linear and switching power supplies, automotive and industrial embedded systems, data acquisition systems, digital signal processors and microcontrollers, digital-to-analog converters, and many other embedded applications.The device can also be used for controlling and monitoring lithium ion batteries, measuring and displaying voltage levels from transducer signals, and providing a regulated reference voltage for servicing audio systems.TLV431ALPRAG Working PrincipleTLV431ALPRAG is a three-terminal precision-referenced voltage regulator. Its output voltage is determined by a band gap reference circuit that is controlled by an external series resistor. Adjusting the value of this resistor will vary the output voltage from 2.5 to 6.0V. A supply voltage from 3.0V to 36V is required.The device is designed to operate in either a standard mode or an advanced mode. In the standard mode, the device will be stabilised to a precise output voltage when connected to a suitable external series resistor. In advanced mode, the device will maintain a precise output voltage over a temperature range of -40°C to 125°C.The device also provides a current limit protection feature that prevents damage to the internal components of the device if the current becomes too high. The device also includes an internal thermal shutdown circuit that will shut the device off if the device\'s internal temperature exceeds its predetermined safe operating temperature.ConclusionTLV431ALPRAG from Texas Instruments is a precision voltage reference integrated circuit designed for applications requiring a regulated and precise reference voltage. The device provides a two-terminal output voltage range of 2.5 to 6.0V, and can operate in either a standard or an advanced mode to provide precision and stability over a wide temperature range. Its features include a protective current limit circuit, a thermal shutdown circuit and a band gap reference circuit for controlling the output voltage.

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