HomedatasheetTLV431

TLV431 Datasheet

1.24V Cost effective shunt regulator
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Description

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 Features • Low Voltage Operation VREF = 1.24V• Temperature range -40 to 125°C• Reference Voltage Tolerance at 25°C• 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• 0.25Ω Typical Output Impedance• Adjustable Output Voltage ..... VREF to 18V TLV431 Applications • Opto-coupler linearisation• Linear regulators• Improved Zener• Variable reference
Features

Parameters

[{"Name":"Maximum Cathode Voltage (VKA)","Value":"20V"},{"Name":"Maximum Continuous Cathode Current (IKA)","Value":"-20 to 20mA"},{"Name":"Maximum Reference input current range (IREF)","Value":"-0.050 to 3mA"},{"Name":"Maximum Operating Junction Temperature","Value":"-40 to 150 °C"},{"Name":"Maximum Storage Temperature Storage Temperature","Value":"-55 to 150 °C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

PMC-SIERRA, INC
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