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TL431C Datasheet(PDF) 1 Page - HTC Korea TAEJIN Technology Co. |
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TL431C Datasheet(HTML) 1 Page - HTC Korea TAEJIN Technology Co. |
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1 / 11 page  PROGRAMMABLE PRECISION SHUNT REGULATOR TL431/A/C 2008 – Rev. 1.2 - 1 - HTC TO-92 PKG 3 2 1 SOT-23 PKG 2 1 3 SOT-89 PKG 1 2 3 PIN 1. Reference 2. Anode 3. Cathode ORDERING INFORMATION Device (Marking) Package TL431 TO-92(Bulk) TL431TA TO-92(Taping) TL431SF SOT-23 3L TL431F SOT-89 3L FEATURES Programmable Output Voltage to 40V Guaranteed 0.5% Reference Voltage Tolerance Low (0.2Ω Typ.) Dynamic Output Impedance Cathode Current Range(Continuous) – 100 ~ 150 mA Equivalent Full Range Temperature Coefficient of 50PPM/℃ Temperature Compensated For Operation Over Full Rate Operating Temperature Range Low Output Noise Voltage Fast Turn-on Response TO-92, SOT-89 or SOT-23 3L Package APPLICATION Shunt Regulator Precision High-Current Series Regulator High-Current Shunt Regulator Crowbar Circuit PWM Converter With Reference Voltage Monitor Precision Current Limiter DESCRIPSION The TL431 is a three-terminal adjustable shunt regulator with specified thermal stability over applicable temperature VREF (Approx. 2.5V) and 40V with two external resistors. This device has a typical dynamic output impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic, making this device excellent replacement for zener diodes in many applications. The TL431 is characterized for operation from -40℃ to +125℃. * Refer to the page 2 for detailed ordering Information, Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified) CHARACTERISTIC SYMBOL MIN. MAX. UNIT Cathode Voltage VKA - 42 V Cathode Current Range(Continuous) IK -100 150 mA Reference Input Current Range IREF 0.05 10 mA Junction Temperature Range TJ 0 150 ℃ Storage Temperature Range TSTG -60 150 ℃ Operating Temperature Range TOPR -40 125 ℃ T O P TOP TOP |
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