[問題] UC3845的IC有人用過嗎?

看板Electronics作者 (^^)時間18年前 (2007/12/18 23:54), 編輯推噓3(3推 0噓 7→)
留言10則, 5人參與, 最新討論串1/1
這顆IC是電流控制的PWM IC 包裝是DIP-8 想請問有用過的大大們 該怎麼測試這顆IC有無正常工作呢 如果燒毀又該怎麼判斷 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 123.195.90.250
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12/19 00:07, , 1F
可以試試量Vref
12/19 00:07, 1F
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12/19 08:09, , 2F
VCC對VSS 無限大或0?
12/19 08:09, 2F
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12/19 12:42, , 3F
小弟不才,有顆PWM IC嗎？因為我只有聽過3854
12/19 12:42, 3F
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12/19 18:49, , 4F
To 樓上，有這顆IC，這兩個型號都有但用途不同
12/19 18:49, 4F
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12/20 13:13, , 5F
AC to DC convertor with power factor correction
12/20 13:13, 5F
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12/20 13:15, , 6F
VIN=Vac between 80 and 260 VRMS VOUT=Vdc~385V
12/20 13:15, 6F
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12/20 13:19, , 7F
Power factor can be read out directly from
12/20 13:19, 7F
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12/20 13:20, , 8F
a Power Analyzer
12/20 13:20, 8F
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12/20 13:20, , 9F
Input current waveform and spectrum are performed by
12/20 13:20, 9F
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12/20 13:25, , 10F
Digital Oscilloscope and Spectrum Analyzer, respectively
12/20 13:25, 10F
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文章代碼(AID): #17P-r1Ir (Electronics)