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TL431A Datasheet(PDF) 1 Page - Sangdest Microelectronic (Nanjing) Co., Ltd |
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TL431A Datasheet(HTML) 1 Page - Sangdest Microelectronic (Nanjing) Co., Ltd |
1 / 11 page Technical Data Adjustable Precision Shunt Regulator Data Sheet N1595 Rev. - • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com • SMC431 TL431 TL431A Description: The SMC431, TL431A and TL431 are 3-terminal adjustable precision shunt regulators with guaranteed temperature stability over the applicable extended commercial temperature range. The output voltage may be set at any level greater than 2.495V (VREF) up to 30V merely by selecting two external resistors that act as a voltage divider network. These devices have a typical output impedance of 0.08Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent improved replacements for zener diodes in many applications. The precise ±0.5% reference voltage tolerance of the SMC431 makes it possible in many applications to avoid the use of a variable resistor, consequently saving cost and eliminating drift and reliability problems associated with it. Features: • Precision Reference Voltage. SMC431 : 2.495V ±0.5% TL431A : 2.495V ±1.0% TL431 : 2.495V ±1.6% • Sink Current Capability: 200mA. • Minimum Cathode Current for Regulation: 250μA. • Equivalent Full-Range Temperature Coefficient: 50 ppm/℃. • Fast Turn-On Response. • Low Dynamic Output Impedance: 0.08Ω. • Adjustable Output Voltage. • Low Output Noise. • Space Saving Packages: SOT-23 Applications: • Linear Regulators. • Adjustable Supplies. • Switching Power Supplies. • Battery Operated Computers. • Instrumentation. • Computer Disk Drivers. Typical application circuit: |
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