TL431AC 系列通过调节器的典型应用。 TL431 和 TL431A 是 3
端子可调
并联稳压器，在适用的汽车和商业温度范围内具有指定的热稳定性。输出电压可通过两个外部电阻设置为 VREF（约 2.5V）和 36V 之间的任意值。这些器件的典型
输出阻抗为 0.2 欧姆。有源输出电路提供非常敏锐的开启特性，使这些器件成为许多应用中
齐纳二极管的绝佳替代品，例如板载调节、可调电源和开关电源
说明
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Typical Application for TL431AC Series Pass Regulator. The TL431 and TL431A are 3-terminal adjustable shunt regulators with specified thermal stability over applicable automotive and commercial temperature ranges. The output voltage may be set to any value between VREF (approximately 2.5V) and 36V with two external resistors. These devices have a typical output impedance of 0.2 ohm. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for zener diodes in many applications like on-board regulation, adjustable power supplies and switching power supplies
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