lnbh23qtr STMicroelectronics, lnbh23qtr Datasheet - Page 21

• Manufacturer Part Number: lnbh23qtr
• Description: Lnbs Supply And Control Ic With Step-up And I??c Interface
• Manufacturer: STMicroelectronics

Table 11.
Note:
Table 12.
Note:
Table 13.
Note:
Symbol
Symbol
Symbol
F
V
V
A
F
A
I
TH-H
TH-H
TH-L
TH-L
TH-L
TH-L
TH
Output voltage diagnostic (VMON bit) characteristics (Refer to the typical application
circuit, T
DSQIN=LOW, V
T
system register)
Minimum output current diagnostic (IMON bit) characteristics (T
EN = 1, VSEL=LLC=TEN=PCL=TTX=0, DSQIN=LOW, V
See software description section for I²C access to the system register)
22 kHz tone diagnostic (TMON bit) characteristics (Refer to the typical application circuit,
T
DSQIN=LOW, V
T
system register)
Minimum current diagnostic
threshold
Amplitude diagnostic low
threshold
Amplitude diagnostic high
threshold
Frequency diagnostic low
thresholds
Frequency diagnostic high
thresholds
Diagnostic low threshold at
V
Diagnostic low threshold at
V
If the output voltage is lower than the min. value the VMON I²C bit is set to 1.
When VSEL=0: If VMON=0 then V
V
When VSEL=1: If VMON=0 then V
V
If the output current is lower than the min. threshold limit the IMON I²C bit is set to 1. if the
output current is higher than the max threshold limit the IMON I²C bit is set to 0.
If the 22 kHz tone parameters are lower or higher than the above limits the TMON I²C bit is
set to 1.
J
J
J
O
O
oRX
oRX
=25°C. V
= 25 °C. V
from 0 to 85 °C, EN = 1, VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, R
=13.4V
=18.5V
typical.
typical.
J
Parameter
Parameter
Parameter
from 0 to 85 °C, EN=1, VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, R
oRX
O
=V
=V
I
I
= 12 V, I
oRX
= 12 V, I
oRX
pin voltage. See software description section for I²C access to the
pin voltage. See software description section for I²C access to the
O
O
= 50 mA, unless otherwise stated. Typical values are referred to
= 50 mA, unless otherwise stated. Typical values are referred to
ITEST=1, AUX=0/1
ITEST=0, AUX=0/1
DETIN pin AC coupled
DETIN pin AC coupled
DETIN pin AC coupled
DETIN pin AC coupled
EN=1, VSEL=0
LLC=0
EN=VSEL=1
LLC=0
oRX
oRX
Test condition
Test condition
>85% of V
>84% of V
Test condition
oRX
oRX
typical; If VMON=1 then V
typical; If VMON=1 then V
I
= 12 V, unless otherwise stated.
Min.
Min.
200
900
2.5
Min.
13
24
5
85
84
J
from 0 to 85 °C,
1100
Typ.
Typ.
16.5
29.5
300
Typ.
12
6
90
90
SEL
Max.
Max.
1200
400
Max.
20
10
= 11 KΩ ,
20
38
oRX
oRX
95
96
SEL
<95% of
<96% of
=11 kΩ ,
Unit
Unit
kHz
kHz
Unit
mA
mV
mV
21/32
%
%