TLV431ASN1T1G Datasheet

PMIC - Voltage Reference


The TLV431ASN1T1G and B series are precision low voltage shunt regulators that are programmable over a wide voltage range of 1.24 V to 16 V. The TLV431ASN1T1G series features a guaranteed reference accuracy of ±1.0% at 25°C and ±2.0% over the entire industrial temperature range of −40°C to 85°C. For TLV431B series, the accuracy is even higher, its ±0.5% and ±1.0% respectively. These devices exhibit a sharp low current turn−on characteristic with a low dynamic impedance of 0.20  over an operating current range of 100 A to 20 mA. This combination of features makes this series an excellent replacement for zener diodes in numerous applications circuits that require a precise reference voltage. When combined with an optocoupler, the TLV431ASN1T1G/B can be used as an error amplifier for controlling the feedback loop in isolated low output voltage (3.0 V to 3.3 V) switching power supplies. These devices are available in economical TO−92−3 and micro size TSOP−5 and SOT−23−3 packages. TLV431ASN1T1G Features • Programmable Output Voltage Range of 1.24 V to 16 V• Voltage Reference Tolerance 1.0% for A Series and 0.5% for B Series• Sharp Low Current Turn−On Characteristic• Low Dynamic Output Impedance of 0.20  from 100 A to 20 mA• Wide Operating Current Range of 50 A to 20 mA• Micro Miniature TSOP−5, SOT−23−3 and TO−92−3 Packages• Pb−Free Packages are Available TLV431ASN1T1G Applications • Low Output Voltage (3.0 V to 3.3 V) Switching Power Supply Error Amplifier• Adjustable Voltage or Current Linear and Switching Power Supplies• Voltage Monitoring• Current Source and Sink Circuits• Analog and Digital Circuits Requiring Precision References• Low Voltage Zener Diode Replacements


[{"Name":"Voltage - Output","Value":"1.24 V ~ 16 V"},{"Name":"Tolerance","Value":"±1%"},{"Name":"Voltage - Input","Value":"1.24 V ~ 16 V"},{"Name":"Number of Channels","Value":"1"},{"Name":"Current - Cathode","Value":"80μA"},{"Name":"Current - Output","Value":"20mA"},{"Name":"Operating Temperature","Value":"-40°C ~ 85°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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