HomedatasheetTL431AID

TL431AID Datasheet

Voltage & Current References
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Description

The TL431AID integrated circuits are three−terminal programmable shunt regulator diodes. These monolithic IC voltage references operate as a low temperature coefficient zener which is programmable from Vref to 36 V with two external resistors. These devices exhibit a wide operating current range of 1.0 mA to 100 mA with a typical dynamic impedance of 0.22 . The characteristics of these references make them excellent replacements for zener diodes in many applications such as digital voltmeters, power supplies, and op amp circuitry. The 2.5 V reference makes it convenient to obtain a stable reference from 5.0 V logic supplies, and since the TL431AID operates as a shunt regulator, it can be used as either a positive or negative voltage reference. TL431AID Features • Programmable Output Voltage to 36 V• Voltage Reference Tolerance: ±0.4%, Typ @ 25°C (TL431B)• Low Dynamic Output Impedance, 0.22  Typical• Sink Current Capability of 1.0 mA to 100 mA• Equivalent Full−Range Temperature Coefficient of 50 ppm/°C Typical• Temperature Compensated for Operation over Full Rated Operating Temperature Range• Low Output Noise Voltage• Pb−Free Packages are Available
Features

Parameters

[{"Name":"Average Temperature Coefficient (Typ): ","Value":"34 PPM / C "},{"Name":"Series VREF - Input Voltage (Max): ","Value":"37 V "},{"Name":"Shunt Current (Max): ","Value":"100 mA "},{"Name":"Maximum Operating Temperature: ","Value":"+ 85 C "},{"Name":"Minimum Operating Temperature: ","Value":"- 40 C "},{"Name":"Shunt Current (Min): ","Value":"600 uA "},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

FAIRCHILD SEMICONDUCTOR
Warm Hint

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