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LNBH25S Fiches technique(PDF) 25 Page - STMicroelectronics

No de pièce LNBH25S
Description  LNB supply and control IC with step-up and IC interface
PDF  37 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LNBH25S Fiches technique(HTML) 25 Page - STMicroelectronics

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LNBH25S
I²C interface protocol
DocID026736 Rev 2
25/37
Bit
Name
Value
Description
Bit 6
THERM
1
If thermal protection is active (OTF=1), all VSEL 1..4
bits are reset to “0” and LNB output (VOUT pin) is
disabled. VSEL bits have to be set again by the master
after the overtemperature condition is removed
(OTF=0)
0
If thermal protection is active (OTF=1) the LNB output
(VOUT pin) is automatically enabled as soon as the
overtemperature condition is removed (OTF=0) with
the previous VSEL bits setting
Bit 7(MSB)
COMP
1
DC-DC converter compensation: set to use very low
ESR capacitors or ceramic caps on VUP pin
0
DC-DC converter compensation: set to use standard
electrolytic capacitors on VUP pin
N/A = reserved bit
All bits reset to 0 at power-on



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