AMS1117 is a series of low-dropout voltage regulators that can provide fixed voltage output and adjustable voltage output; when used as a fixed voltage output, %2C can output three fixed voltages of 1.8V, 2.5V and 3.3V. AMS1117 has the functions of current limiting and overheating automatic shutdown protection, and its built-in band gap reference can ensure the error accuracy of the output voltage. The AMS1117 series are available in SOT-223 and TO-252 packages. The output requires a tantalum capacitor of at least 10uF to improve transient response and stability.
The circuit of ASM11175v to 3.3v is as follows: This circuit has passed the actual use...the effect is very good.
It should be noted that, in fact, the input voltage range of ASM1117 is very wide, about 4 to 10v, it is better not to exceed 11v, 12v domestic chips will definitely burn %2C foreign ones. This chip is a fixed 3.3v voltage regulator chip, please refer to the corresponding document for other models.
The capacitor is just for voltage stabilization, it should be enough to connect one, in fact, it is also possible to have none, but the instantaneous voltage is easy to burn the chip.
Pin description: 1 is the ground, 2 is the output, and 3 is the input sorry! The picture is wrong, please forgive me~ + It seems that there is a problem in the document, I follow the connection on the document and regard 1 as input, 2 as ground, and 3 as output , The result can be imagined. After correcting him to receive the hair correctly, the effect will come out. You can also try it.
Communication Cable,Communication Wire,Data Communication Cable,Comms Wire
Shenzhen Bendakang Cables Holding Co., Ltd , https://www.bdkcables.com