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LM431BCZ Datasheet(PDF) 10 Page - Texas Instruments |
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LM431BCZ Datasheet(HTML) 10 Page - Texas Instruments |
10 / 32 page LM431 SNVS020H – MAY 2000 – REVISED JANUARY 2016 www.ti.com 8 Detailed Description 8.1 Overview The LM431 is an adjustable precision shunt voltage regulator with ensured temperature stability over the entire temperature range. The part has three different packages available to meet small footprint requirements, and is available in three different tolerance grades. 8.2 Functional Block Diagram Figure 9. LM431 Symbol Figure 10. LM431 Block Diagram 8.3 Feature Description The LM431 is a precision Zener diode. The part requires a small quiescent current for regulation, and regulates the output voltage by shunting more or less current to ground, depending on input voltage and load. The only external component requirement is a resistor between the cathode and the input voltage to set the input current. An external capacitor can be used on the input or output, but is not required. 10 Submit Documentation Feedback Copyright © 2000–2016, Texas Instruments Incorporated Product Folder Links: LM431 |
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