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TL431ILPRAG Folha de dados(PDF) 1 Page - ON Semiconductor |
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TL431ILPRAG Folha de dados(HTML) 1 Page - ON Semiconductor |
1 / 18 page © Semiconductor Components Industries, LLC, 2012 April, 2012 − Rev. 34 1 Publication Order Number: TL431/D TL431, A, B Series, NCV431A, B Programmable Precision References The TL431, 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 W. 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 or negative voltage reference. Features • Programmable Output Voltage to 36 V • Voltage Reference Tolerance: ±0.4%, Typ @ 25°C (TL431B) • Low Dynamic Output Impedance, 0.22 W 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 • These are Pb−Free and Halide−Free Devices (Top View) 3 1 Reference N/C N/C N/C 2 4 8 7 6 5 N/C Anode N/C Cathode Anode Anode TO−92 (TO−226) LP SUFFIX CASE 29 PDIP−8 P SUFFIX CASE 626 SOIC−8 D SUFFIX CASE 751 Pin 1. Reference 2. Anode 3. Cathode (Top View) 3 1 Reference N/C 2 4 8 7 6 5 N/C Cathode Micro8E DM SUFFIX CASE 846A 8 1 8 1 8 1 1 2 3 This is an internally modified SOIC−8 package. Pins 2, 3, 6 and 7 are electrically common to the die attach flag. This internal lead frame modification increases power dissipation capability when appropriately mounted on a printed circuit board. This modified package conforms to all external dimensions of the standard SOIC−8 package. http://onsemi.com See detailed ordering and shipping information in the package dimensions section on page 13 of this data sheet. ORDERING INFORMATION See general marking information in the device marking section on page 14 of this data sheet. DEVICE MARKING INFORMATION |
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