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TLV431BE5TA Datasheet(PDF) 1 Page - Zetex Semiconductors |
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TLV431BE5TA Datasheet(HTML) 1 Page - Zetex Semiconductors |
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1 / 16 page  Issue 1 - June 2008 1 www.zetex.com © Zetex Semiconductors plc 2008 TLV431 1.24V Cost effective shunt regulator Description Order Information The TLV431 is a three terminal adjustable shunt regulator offering excellent temperature stability and output current handling capability up to 20mA. The output voltage may be set to any chosen voltage between 1.24 and 18 volts by selection of two external divider resistors. The TLV431 can be used as a replacement for zener diodes in many applications requiring an improvement in zener performance. The TLV431 is available in 2 grades with initial tolerances of 1% and 0.5% for the A and B grades respectively. TLV431_F (SOT23) TLV431_H6 (SC70-6) Features • Low Voltage Operation ........... VREF = 1.24V • Temperature range -40 to 125°C • Reference Voltage Tolerance at 25°C • 0.5%............TLV431B • 1%...............TLV431A • Typical temperature drift • 4 mV (0°C to 70°C) • 6 mV (-40°C to 85°C) • 11mV (-40°C to 125°C) • 80µA Minimum cathode current •0.25 Ω Typical Output Impedance • Adjustable Output Voltage ..... VREF to 18V TLV431_E5 (SOT23-5) ‡ Connected internally to substrate; should be left floating or connected to anode Applications • Opto-coupler linearisation • Linear regulators • Improved Zener • Variable reference TOL Order code Pack Part mark Status Reel Size (inches) Tape width (mm) Quantity per reel 1% TLV431AE5TA SOT23-5 V1A Active 7 8 3000 TLV431AFTA SOT23 V1A Active 7 8 3000 TLV431AH6TA SC70-6 V1A Active 7 8 3000 0.5% TLV431BE5TA SOT23-5 V1B Active 7 8 3000 TLV431BFTA SOT23 V1B Active 7 8 3000 TLV431BH6TA SC70-6 V1B Active 7 8 3000 3 REF 1 CATHODE 2 ANODE 6 ANODE CATHODE 1 REF 3 N/C‡ 2 4 NC 5 NC ‡ 5 ANODE 1 CATHODE 3 N/C ‡ 2 4 REF N/C |
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