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LM431BCMX Datasheet(PDF) 1 Page - Texas Instruments |
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LM431BCMX Datasheet(HTML) 1 Page - Texas Instruments |
1 / 32 page Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM431 SNVS020H – MAY 2000 – REVISED JANUARY 2016 LM431 Adjustable Precision Zener Shunt Regulator 1 Features 3 Description The LM431 is a 3-terminal adjustable shunt regulator 1 • Average Temperature Coefficient 50 ppm/°C with ensured temperature stability over the entire • Temperature Compensated for Operation Over temperature range of operation. The output voltage the Full Temperature Range may be set at any level greater than 2.5 V (VREF) up • Programmable Output Voltage to 36 V merely by selecting two external resistors that act as a voltage divided network. Due to the sharp • Fast Turnon Response turnon characteristics this device is an excellent • Low-Output Noise replacement for many Zener diode applications. • Low-Dynamic Output Impedance The LM431 is available in space-saving SOIC-8, • Available in Space-Saving SOIC-8, SOT-23, and SOT-23, and TO-92 packages. TO-92 Packages Device Information(1) 2 Applications PART NUMBER PACKAGE BODY SIZE (NOM) • Adjustable Voltage or Current Linear and SOIC (8) 4.90 mm × 3.91 mm Switching Power Supplies LM431 SOT-23 (3) 2.92 mm × 1.30 mm • Voltage Monitoring TO-92 (3) 4.30 mm × 4.30 mm • Current Source and Sink Circuits (1) For all available packages, see the orderable addendum at the end of the data sheet. • Circuits Requiring Precision References • Zener Diode Replacements LM431 Symbol Functional Block Diagram 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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