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求大家帮忙汽车灯LED电路
2010-10-26 01:11
- 电源技术
- 3
- 1679
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求一个5V转3.3V的LDO,电流能达到500mA的
2012-12-29 16:14
- 电源技术
- 27
- 10510
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
有没有SOT-23-3的片子可以代替1117-M3?
2010-10-25 11:15
- 电源技术
- 4
- 3287
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
开关电源IC供电问题
2010-10-23 22:29
- 电源技术
- 6
- 2662
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求助:做一个0—5V的可调电源
2010-10-22 14:42
- 电源技术
- 11
- 2620
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
48V转12V电路
2011-3-28 08:43
- 电源技术
- 11
- 3499
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教开关电源电路方面的问题
2010-10-22 14:39
- 电源技术
- 2
- 1451
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
开关电源
2010-10-20 09:31
- 电源技术
- 13
- 1416
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求教一个问题
2010-10-20 21:48
- 电源技术
- 4
- 1352
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求车载专用电源模块
2011-3-7 18:13
- 工控、机电一体化
- 4
- 1825
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求一个12V升200V的升压IC
2010-10-26 11:38
- 电源技术
- 8
- 2313
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
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3
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