介绍三端可调直流稳压器的扩流工作原理，关键参数的估算公式和应用实例。
Text introduced the principle of the regulator, deduced out estimation formula of the key data, presented the applied example.
LM 317是使用极为广泛且性能优良的三端串联型可调集成稳压器。
LM317 is a three-end adjustable serious connection integrate device with wide-ranging application and good performance.
LM 317是使用极为广泛且性能优良的三端串联型可调集成稳压器。
LM317 is a three-end adjustable serious connection integrate device with wide-ranging application and good performance.
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