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LNBH26LPQR bảng dữ liệu(PDF) 18 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  Selectable output current limit by external resistor
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LNBH26LPQR bảng dữ liệu(HTML) 18 Page - STMicroelectronics

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I²C interface protocol
LNBH26L
18/28
Doc ID 022876 Rev 1
N/A = Reserved bit.
All bits reset to “0” at power-on.
Table 8.
DATA 3 (read/write register. Register address = 0X4)
Bit
Name
CH
Value
Description
Bit 0
(LSb)
N/A
A
0
Reserved. Keep to “0”
Bit 1
N/A
0
Reserved. Keep to “0”
Bit 2
PCL-A
1
Pulsed (Dynamic) LNB output current limiting is deactivated
0
Pulsed (Dynamic) LNB output current limiting is activated
Bit 3
N/A
0
Reserved. Keep to “0”
Bit 4
N/A
B
0
Reserved. Keep to “0”
Bit 5
N/A
0
Reserved. Keep to “0”
Bit 6
PCL-B
1
Pulsed (Dynamic) LNB output current limiting is deactivated
0
Pulsed (Dynamic) LNB output current limiting is activated
Bit 7
(MSb)
N/A
0
Reserved. Keep to “0”
Table 9.
DATA 4 (read/write register. Register address = 0X5)
Bit
Name
CH
Value
Description
Bit 0
(LSb)
N/A
-
0
Reserved. Keep to “0”.
Bit 1
N/A
-
0
Reserved. Keep to “0”.
Bit 2
N/A
-
0
Reserved. Keep to “0”.
Bit 3
OLR
A/B
1
In the case of overload protection activation (OLF=1), all VSEL 1..4 bits
are reset to “0” and LNB output (VOUT pin) is disabled. The VSEL bits
must be set again by the master after the overcurrent condition is
removed (OLF=0).
0
In the case of overload protection activation (OLF=1) the LNB output
(VOUT pin) is automatically enabled as soon as the overload condition is
removed (OLF=0) with the previous VSEL bits setting.
Bit 4
N/A
-
0
Reserved. Keep to “0”.
Bit 5
N/A
-
0
Reserved. Keep to “0”.
Bit 6
THERM
A/B
1
If thermal protection is activated (OTF=1), all VSEL 1..4 bits are reset to
“0” and LNB output (VOUT pin) is disabled. The VSEL bits must be set
again by the master after the overtemperature condition is removed
(OTF=0).
0
In the case of thermal protection activation (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
-
0
Reserved. Keep to “0”



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