
降压电源电路设计(12V 转 5V ;5V 转 3.3V - CSDN博客
2024年10月29日 · 12v转5v和3.3v电源模块是一种电源模块,它能够将输入的12v直流电转换为5v和3.3v输出。 这个模块具备较大的带负载能力,并且拥有 5 个 5 V输出端口和 5 个 3 . 3 V …
9种实用的将3.3V输出连接到5V输入的方法 - CSDN博客
2022年8月9日 · 最近工作要用到3.3v控制5v,需要实现电平转换,搜索了网上一些常用的电路,并进行了模拟测试。 1.用一个三极管,在集电极输出5v电平。测试电路如下。
常用3.3V与5V双向平转换方案、数字逻辑器件型号触发器等_3.3v转…
2023年6月26日 · 例如,74AHC/VHC 系列芯片,其 datasheets 明确注明"输入电压范围为0~5.5V",如果采用 3.3V 供电,就可以实现 5V→3.3V 电平转换。 最著名的就是 164245,不 …
How to interface a 3.3V output to a 5V input. – next-hack.com
2020年2月15日 · When the output is 3.3V, the voltage will be 5V * (R2/(R1+R2)) + 3.3V * (R1/(R1+R2)) = 3.64V. Better high-level values can be achieved by adjusting the R1/R2 ratio, …
level shifting - Step up 3.3V to 5V for digital I/O - Electrical ...
If the above conditions are close, you can often boost the high-level output voltage slightly with a pull-up resistor (to 3.3V) and direct connect the signals. The pull-up resistor can provide a …
Changing a 3.3V signal to a 5V signal using a BJT transistor
2016年10月2日 · Answer to your question (3): Run Kirchoff's voltage law around the base-emitter loop of the schematic (right). Everything's at 3.3v. There can be no voltage between base and …
What does 5' and 3' mean in DNA and RNA strands?
2014年2月16日 · The 5' and 3' mean "five prime" and "three prime", which indicate the carbon numbers in the DNA's sugar backbone. The 5' carbon has a phosphate group attached to it …
Why do many electronics operate on 5 and 3.3 volts?
2023年5月10日 · A lower voltage means lower power consumption: an HCMOS IC at 3.3 V will typically consume 50 % or less power than the same circuit at 5 V. So you create a …
LM1085 数据表、产品信息和支持 | 德州仪器 TI.com.cn
The LM1085 is a regulator with a maximum dropout of 1.5 V at 3 A of load current. It has the same pin-out as TI’s industry standard LM317. Two resistors are required to set the output …
DGZZI 2PCS 12 V to 3.3 V / 5 V / 12 V DC-DC Voltage Converter …
2019年5月4日 · Buy DGZZI 2PCS 12 V to 3.3 V / 5 V / 12 V DC-DC Voltage Converter Multi-Output Step-Down Power Supply Module for Arduino: Power Converters - Amazon.com FREE …
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