![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
大哥们帮忙介绍块IC,8-18V输入,5V输出,100mA的开关电源
2007-1-24 10:49
- 电源技术
- 9
- 3252
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教一下开关电源环路响应的问题???
2007-1-23 21:06
- 电源技术
- 5
- 3179
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教pwm的问题。
2007-2-2 19:55
- 电源技术
- 15
- 2673
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教一个掉电延时保护功能
2007-1-26 12:19
- 新手园地
- 6
- 2541
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请问公式里的积分是如何求出来的
2007-1-16 19:48
- 新手园地
- 4
- 2107
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
如何判别8位数码管是共阴极还是共阳极的
2007-1-16 13:33
- 新手园地
- 4
- 4490
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
可以用反相比例运算电路实现-5V直流电压吗
2007-1-16 11:02
- 新手园地
- 2
- 2764
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
2
3
近期访客