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AN2713 Arkusz danych(PDF) 32 Page - STMicroelectronics

Numer części AN2713
Szczegółowy opis  LNB power supply based on the LNBH23 supply
PDF  40 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2713 Arkusz danych(HTML) 32 Page - STMicroelectronics

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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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