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数据搜索系统，热门电子元器件搜索 |
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AN2713 数据表(PDF) 32 Page - STMicroelectronics |
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AN2713 数据表(HTML) 32 Page - STMicroelectronics |
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32 / 40 page  Software installation AN2713 32/40 Doc ID 14431 Rev 1 6.1 How to use the LNBH23 demonstration board with the LNBxxx control suite software To power the IC, place a check in the EN checkbox and click the "Send I2C Pattern" button. If the device accepts the command string, the green indicator turns on. If there is no powerup after sending the command, it may be that the 12 V power supply is not sufficient to start the application, and more current capability is needed. The screenshot in Figure 31 shows the following conditions: ● EN=1=ON ● Vout=13.4 Vtyp Figure 31. Power-on at 13.4 V A status light “on” for OLF, OTF, TMON, VMON and IMON indicates that an error has occurred. Light on=22 kHz tone absence Light on=load less than 6 mA (ITest=0) or 12 mA |
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