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LNBH29 датащи(PDF) 19 Page - STMicroelectronics

номер детали LNBH29
подробное описание детали  LNB supply and control IC with step-up and I²C interface
PDF  31 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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LNBH29 датащи(HTML) 19 Page - STMicroelectronics

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LNBH29
I²C interface protocol
7.4
STATUS register
The STATUS register can be addressed only in Read mode and provides the diagnostic
functions described in Table 8.
N/A = Reserved bit.
All bits reset to “0” at power-on.
Table 8. STATUS (READ register. Register address = 0X0)
BIT
Name
Value
Description
Bit 0
(LSB)
OLF
1
Output short-circuit or VOUT pin overload protection has been triggered
(IOUT > IMAX).
0
No overload protection has been triggered to VOUT pin (IOUT < IMAX).
Bit 1
OTF
1
Junction overtemperature is detected, TJ > 150 °C.
0
Junction overtemperature not detected, TJ < 135 °C. TJ is below
thermal protection threshold.
Bit 2
VMON
1
Output voltage (VOUT pin) lower than VMON specification thresholds.
Refer to Table 12.
0
Output voltage (VOUT pin) is within the VMON specifications.
Bit 3
PNG
1
Input voltage (VCC pin) lower than LPD minimum thresholds. Refer to
VLP in Table 9.
0
Input voltage (VCC pin) higher than LPD thresholds. Refer to VLP in
Table 9.
Bit 4
PDO
1
Overcurrent detected on output pull-down stage for a time longer than
de-glitch period. This may happen due to an external voltage source
present on the LNB output (VOUT pin).
0
No overcurrent detected on output pull-down stage.
Bit 5
N/A
-
Reserved
Bit 6
N/A
-
Reserved
Bit 7
(MSB)
N/A
Reserved



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