TL431集成电路（IC）的电压基准规格书PDF中文资料

TL431属于集成电路（IC）的电压基准。由意法半导体集团制造生产的TL431电压基准产品属于基准电压源系列，可通过相对较不稳定的电源提供稳定的电势，电压值始终保持恒定，以便在测量、控制和类似应用中用作比较的标准。其功能行为可能与用于大功率调节的线性稳压器相似，但基准电压源器件却不适合用于此类用途。用作比较标准时，若输出电流容量或实际负载电流增大，其性能通常会降低。

特性 Features

• AEC-Q100 qualified

• Adjustable output voltage: 2.5 to

36 V

• Sink current capability: 1 to 100 mA

• Typical output impedance: 0.22 Ω

• 0.5% voltage precision only on the TL431B

version

• 1% and 2% voltage precision

• Automotive temp. range -40 °C to +125 °C

Applications

• Power supply

• Industrial

• Automotive

描述 Description

The TL431 and TL432 are adjustable shunt

voltage references with guaranteed temperature

stability over the entire operating temperature

range. The device temperature range is extended

for the automotive version from -40 °C up to

+125 °C. The output voltage can be set to any

value between 2.5 and 36 V with two external

resistors. The TL431 and TL432 operate with a

wide current range from 1 to 100 mA with a typical

dynamic impedance of 0.22 Ω.