区域1 (OFF):当阳极A和阴极K的电压很低时,因为J2反偏截止,所以几乎很少电流从阳极留到阴极,所以PNPN的器件处于截止关断状态,也叫正向阻断(Forward-Blocking),或者叫做高阻抗状态(High-Impedance)。这个状态下的电流随着电压增大微微上升。 区域2(OFF->ON):当阳极A和阴极K的电压进一步增加,直至PN结J2达到反向击穿电压(Breakdown),则正向导通(Forward Breakover)会瞬间发生,所以此时叫做瞬态(Transient State),器件从OFF切换到ON状态,使得I-V曲线呈现负阻状态,所以叫做Snap-back。而此时的电压为切换电压(Switch Voltage)为Vs。 区域3(ON):当器件的PN结J2导通了之后,它就单纯是一个正向导通的二极管了,所以它的I-V曲线又变成了一个二极管的正向导通曲线,此时状态叫做正向导通状态(ON),也叫正向导通(Forward Conducting)或者低阻抗状态(Low Impedance)。 所以在上述三种区域里,当工作在区域3时,器件就是ON状态,降低电压低于Switch Voltage时,可以使他进入区域1,器件就是OFF状态了,反之亦然(Vice Versa)。如果外部电路持续供给电流大于Ih,只要电路一直开启则PNPN电路就一直被锁定在ON的状态,这就是我们将的栓锁效应(Latch-up)。
没有合适的资源?快使用搜索试试~ 我知道了~
使用DCDC电源驱动步进电机正转和反转,PWM波控制转速.zip
![preview](https://csdnimg.cn/release/downloadcmsfe/public/img/white-bg.ca8570fa.png)
共21个文件
zip:7个
pcbpreview:2个
txt:1个
![preview-icon](https://csdnimg.cn/release/downloadcmsfe/public/img/scale.ab9e0183.png)
1.该资源内容由用户上传,如若侵权请联系客服进行举报
2.虚拟产品一经售出概不退款(资源遇到问题,请及时私信上传者)
2.虚拟产品一经售出概不退款(资源遇到问题,请及时私信上传者)
版权申诉
0 下载量 54 浏览量
2023-11-02
10:16:32
上传
评论
收藏 14.77MB ZIP 举报
温馨提示
使用DCDC电源驱动步进电机正转和反转,PWM波控制转速.zip
资源推荐
资源详情
资源评论
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![7z](https://img-home.csdnimg.cn/images/20210720083312.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
收起资源包目录
![package](https://csdnimg.cn/release/downloadcmsfe/public/img/package.f3fc750b.png)
![folder](https://csdnimg.cn/release/downloadcmsfe/public/img/folder.005fa2e5.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![folder](https://csdnimg.cn/release/downloadcmsfe/public/img/folder.005fa2e5.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![folder](https://csdnimg.cn/release/downloadcmsfe/public/img/folder.005fa2e5.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/TXT.png)
![folder](https://csdnimg.cn/release/downloadcmsfe/public/img/folder.005fa2e5.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/ZIP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/ZIP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/ZIP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/ZIP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/ZIP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/ZIP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/ZIP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![folder](https://csdnimg.cn/release/downloadcmsfe/public/img/folder.005fa2e5.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
共 21 条
- 1
资源评论
![avatar-default](https://csdnimg.cn/release/downloadcmsfe/public/img/lazyLogo2.1882d7f4.png)
![avatar](https://profile-avatar.csdnimg.cn/0c631f7811c94826996c8f8fc9e20795_gzm888888.jpg!1)
GZM888888
- 粉丝: 202
- 资源: 2968
上传资源 快速赚钱
我的内容管理 展开
我的资源 快来上传第一个资源
我的收益
登录查看自己的收益我的积分 登录查看自己的积分
我的C币 登录后查看C币余额
我的收藏
我的下载
下载帮助
![voice](https://csdnimg.cn/release/downloadcmsfe/public/img/voice.245cc511.png)
![center-task](https://csdnimg.cn/release/downloadcmsfe/public/img/center-task.c2eda91a.png)
安全验证
文档复制为VIP权益,开通VIP直接复制
![dialog-icon](https://csdnimg.cn/release/downloadcmsfe/public/img/green-success.6a4acb44.png)