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TL431P Datasheet(PDF) 1 Page - IK Semicon Co., Ltd |
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TL431P Datasheet(HTML) 1 Page - IK Semicon Co., Ltd |
1 / 12 page TECHNICAL DATA Programmable Precision Reference TL431 PIN CONNECTIONS FEATURES • Programmable Output Voltage to 40V • Low Dynamic Output Impedance 0.2Ω • Sink Current Capability of 0.1 mA to 100 mA • Equivalent Full-Range Temperature Coefficient of 50 ppm/ oC • Temperature Compensated for Operation over Full Rated Operating Temperature Range • Low Output Noise Voltage • Fast Turn on Response • TO-92, SOP- 8, SOT-23, SOT-89 packages CATHODE ANODE REFERENCE DESCRIPTION The TL431 is a three-terminal adjustable regulator series with a guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between Vref (approximately 2.5 volts) and 40 volts with two external resistors. These devices have a typical dynamic output impedance of 0.2 Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacement for zener diodes in many applications. The TL431 is characterized for operation from -25 oC to +85oC. SYMBOL FUNCTIONAL BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Characteristic Symbol Value Unit Cathode Voltage VKA 40 V Cathode Current Range (Continuous) IK -100 ~ 150 mA Reference Input Current Range IREF 0.05 ~ 10 mA Power Dissipation at 25 oC: SOP, TO – 92 Package (R JA = 178 oC/W) SOT Package (R JA = 625 oC/W) PD 0.7 0.2 W W Junction Temperature Range TJ -40 ~ 150 oC Operating Temperature Range Tg -40 ~ +85 oC Storage Temperature Range Tstg -65 ~ +150 oC Rev. 00 |
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