2022年2月24日 · This post explains the working of a variable DC power supply circuit that has an adjustable voltage range of 1.2V to 24V and current up to 5A. It has many features like short-circuit protection, less ripple factor, output voltage tolerance, etc.

lm317 是一种 三端可调稳压器 ，用于电压调节的 正线性稳压器 。lm317 非常便于使用，因为设置输出电压只需要 lm317 稳压电路中的两个外部电路。

The LM317 controls voltage and the 2N3055 supplies current. The two 0,22ohm resistors on 2N3055 emitters is for ensure that both of them work together preventing one outputting more current than the other leading them to burn.

lm317 器件是一款可调节 3 端正电压稳压器，能够在 1.25v 至 37v 的输出电压范围内提供超过 1.5a 的电流。 它仅需要使用两个外部电阻器来设置输出电压。 此器件 具有 0.01% 的典型线性调整率和 0.1% 的典型负载调整率。

2025年2月19日 · High quality, 3A adjustable voltage regulator, using LM317 voltage regulator and 2N3055 so easy and cheap. Adjust voltage in steps 3V, 6V, 9V, 12V. And In fine, 1.25V to 20V.

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The LM317 device is an adjustable three-terminal positive-voltage regulator capable of supplying up to 1.5 A over an output-voltage range of 1.25 V to 37 V. It requires only two external resistors to set the output voltage. The device features a typical line regulation of 0.01% and typical load regulation of 0.1%.

lm317作為典型電壓調節器配置時的電路圖，包括用以濾波和輸出暫態維持的去耦電容. lm317有三個管腳：輸入端、輸出端和電壓調整端。器件類似於運算放大器（但是擁有大電流輸出特性。

The LM317 device is an adjustable three-terminal positive-voltage regulator capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37 V. It requires only two external resistors to set the output voltage. The device features a typical line regulation of 0.01% and typical load regulation of 0.1%.

LM317/D Voltage Regulator – Adjustable Output, Positive 1.5 A LM317, NCV317 The LM317 is an adjustable 3−terminal positive voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of 1.2 V to 37 V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output ...