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作者 lc85301 在 PTT [ Electronics ] 看板的留言(推文), 共13則

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[問題] tlp521開關電路疑問

[ Electronics ]21 留言, 推噓總分: +7

作者: rnoaha - 發表於 2019/08/06 20:47(4年前)

3^F推lc85301: 一樓應該是說你沒加限流電阻吧08/07 23:54

4^F→lc85301: 你應該要接 Vin-TLP-LOAD-TLP-GND08/07 23:55

11^F推lc85301: TLP521 VCEO 是 50V，電壓超過的話是會漏一點電08/09 10:53

12^F→lc85301: 不過我用你畫的架構控制過 180 V 好像也沒問題08/09 10:54

13^F→lc85301: 然後25mA就會讓人無法脫離電源了，40mA 要很小心08/09 10:55

14^F→lc85301: 如果你覺得漏電不好的話，可以考慮用高壓BJT08/09 10:56

15^F→lc85301: MPSA42/MPSA92 來控制，之前玩 Nixie Tube 的時候用過08/09 10:57

16^F推lc85301: 我是像這樣：08/11 00:36

17^F→lc85301: yodalee.blogspot.com/2018/10/nixie-clock3-driver.html08/11 00:36

18^F→lc85301: V180 - PNP - Load - NPN - Gnd08/11 00:37

19^F→lc85301: NPN on 就是接地，PNP on 接高壓，都 Off 就是 Z08/11 00:37

20^F推lc85301: 啊不過你才 40V 就用 TLP521 就好08/11 16:03

Re: [問題] verilog增長impulse問題

[ Electronics ]3 留言, 推噓總分: +1

作者: kameng - 發表於 2012/11/25 21:36(11年前)

3^F推lc85301:沒clock就大概很難吧...11/26 05:02

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