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| TC90A28AF资料 | |
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TC90A28AF PDF Download |
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File Size : 116 KB
Manufacturer:TOSHIBA Description:In order to saturate the power switch and reduce conduction losses, adequate direct base current IB1 has to be provided for the lowest gain hFE at 100 oC (line scan phase). On the other hand, negative base current IB2 must be provided to turn off the power transistor (retrace phase). Most of the dissipation, in the deflection application, occurs at switch-off. Therefore it is essential to determine the value of IB2 which minimizes power losses, fall time tf and, consequently, Tj. A new set of curves have been defined to give total power losses, ts and tf as a function of IB2 at both 16 KHz scanning frequencies for choosing the optimum negative |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：TC90A28AF 厂 家：TOSHIBA 封 装：QFP 批 号：2000 数 量：924 说 明：原装正品，长期稳定供应 |
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运 费： 所在地： 新旧程度： |
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| 联系人：林小姐 |
| 电 话：086-755-23815997 |
| 手 机：13632589437 |
| QQ：1097182423,2851921558 |
| MSN： |
| 传 真：0755-23815984 |
| EMail：joylin@hongbotong.com |
| 公司地址： 深圳市福田区深南中路3006号佳和大厦B座2007室 |
