LNBH26 STMicroelectronics, LNBH26 Datasheet - Page 24

• Manufacturer Part Number: LNBH26
• Description: Dual LNB supply and control IC with step-up and I2C interface
• Manufacturer: STMicroelectronics

I²C interface protocol
Table 9.
24/38
(MSB)
(LSB)
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit
TIMER-A
TIMER-B
ISET-A
ISET-B
PCL-A
PCL-B
ISW-A
ISW-B
Name
DATA 3 (Read/Write register. Register address = 0X4)
N/A = Reserved bit.
All bits reset to 0 at power-on.
CH
A
B
Value
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Current limit of LNB output (Vout pin) set to lower current range:
Refer to
Current limit of LNB output (Vout pin) set to default range:
Refer to
DC-DC, inductor switching current limit set to 2.5 A typ.
DC-DC, inductor switching current limit set to 4 A typ.
Pulsed (Dynamic) LNB output current limiting is deactivated
Pulsed (Dynamic) LNB output current limiting is activated
Pulsed (Dynamic) LNB output current T
Pulsed (Dynamic) LNB output current T
Current limit of LNB output (V
Refer to
Current limit of LNB output (V
Refer to
DC-DC, inductor switching current limit set to 2.5 A typ.
DC-DC, inductor switching current limit set to 4 A typ.
Pulsed (Dynamic) LNB output current limiting is deactivated
Pulsed (Dynamic) LNB output current limiting is activated
Pulsed (Dynamic) LNB output current T
Pulsed (Dynamic) LNB output current T
Doc ID 022771 Rev 1
Section 2.5
Section 2.5
Section 2.5
Section 2.5
in application information section.
in application information section.
in the application information section.
in the application information section.
OUT
OUT
Description
pin) set to lower current range:
pin) set to default range:
ON
ON
ON
ON
time set to 180 ms typ.
time set to 90 ms typ.
time set to 180 ms typ.
time set to 90 ms typ.
LNBH26