HomedatasheetTL431CDR2G

TL431CDR2G Datasheet

Voltage & Current References
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Description

The TL431CDR2G , A, B 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 TL431, A, B operates as a shunt regulator,it can be used as either a positive ornegative voltage reference. TL431CDR2G 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":"Product","Value":"Voltage References "},{"Name":"Topology","Value":"Shunt References "},{"Name":"Output Voltage","Value":"Adjustable "},{"Name":"Initial Accuracy","Value":"2.2 % "},{"Name":"Average Temperature Coefficient (Typ)","Value":"50 PPM / C"},{"Name":"Series VREF - Input Voltage (Max)","Value":"37 V "},{"Name":"Shunt Current (Max)","Value":"100 mA "},{"Name":"Maximum Operating Temperature","Value":"+ 70 C "},{"Name":"Mounting Style","Value":"SMD/SMT "},{"Name":"Packaging","Value":"Reel "}]

Manufacturer information

ATMEL CORPORATION
Warm Hint

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