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ZR431F01TA Datasheet(PDF) 1 Page - Diodes Incorporated |
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ZR431F01TA Datasheet(HTML) 1 Page - Diodes Incorporated |
1 / 9 page ZR431 ADJUSTABLE PRECISION ZENER SHUNT REGULATOR ZR431 Document number: DS33255 Rev. 6 - 2 1 of 9 www.diodes.com October 2011 © Diodes Incorporated Description The ZR431 is a three terminal adjustable shunt regulator offering excellent temperature stability and output current handling capability up to 100mA. The output voltage may be set to any chosen voltage between 2.5 and 20 volts by selection of two external divider resistors. The devices can be used as a replacement for zener diodes in many applications requiring an improvement in zener performance. Features • Surface mount SOT223 and SOT23 packages • 2%, 1 % and 0.5% tolerance • Max. temperature coefficient 55 ppm/°C • Temperature compensated for operation • over the full temperature range • Programmable output voltage • 50 μA to 100mA current sink capability • Low output noise • All package options available in “Green” Molding Compound (No Br, Sb) and Lead Free Finish/ RoHS Compliant (Note 1) Pin Assignments Applications • Shunt regulator • Series regulator • Voltage monitor • Over voltage/ under voltage protection • Switch mode power supplies Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. Typical Application Circuit + V REF V Z GND GND V REF V Z 1 3 2 SOT23 (Top View) 1 2 3 4 V Z GND V REF GND SOT223 Pin 4 floating or connected to pin 2 (Top View) |
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