L79L12ACD集成电路（IC）的线性+开关稳压器规格书PDF中文资料

L79L12ACD属于集成电路（IC）的线性+开关稳压器。由意法半导体集团制造生产的L79L12ACD稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。

The L79L00 series of three-terminal positive regulators employ internal current limiting and

thermal shutdown, making them essentially indestructible. If adequate heat-sink is provided,

they can deliver up to 100 mA output current.

They are intended as fixed voltage regulators in a wide range of applications including local or

on-card regulation for elimination of noise and distribution problems associated with single-point

regulation. In addition, they can be used with power pass elements to make high-current

voltage regulators.

The L79L00 series used as Zener diode/resistor combination replacement, offers an effective

output impedance improvement of typically two orders of magnitude, along with lower quiescent

current and lower noise.