LNBH23L STMicroelectronics, LNBH23L Datasheet - Page 20

• Manufacturer Part Number: LNBH23L
• Description: LNB supply and control IC with step-up and I2C interface
• Manufacturer: STMicroelectronics

Electrical characteristics
Table 8.
1. External signal maximum voltage for which the EXTM function is guaranteed.
Table 9.
1. T
Table 10.
1. T
2. This I²C address is reserved only for internal usage. Do not use this address with other I²C peripherals to avoid address
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Symbol
V
Eff
Symbol
Δ
Symbol
V
V
ADDR-3
f
V
Z
T
V
V
MAX
T
V
conflicts.
I
F
ADDR-1
ADDR-2
EXTM
SHDN
EXTM
V
OBK
I
DC-DC
V
OL
I
IH
SHDN
IL
J
J
I
SW
IH
IH
IL
from 0 to 85 °C, V
from 0 to 85 °C, V
(2)
LOW level input voltage
HIGH level input voltage
Input current
Low level output voltage
Maximum clock frequency
External modulation input
voltage
External modulation
impedance
DC-DC converter efficiency
DC-DC converter switching
frequency
DSQIN,TTX, pin logic low
DSQIN,TTX, pin logic high
DSQIN,TTX, pin input current V
Output backward current
Thermal shut-down threshold
Thermal shut-down
hysteresis
"0001010(R/W)" Address pin
voltage range
"0001011(RW)" Address pin
voltage range
"0001000(RW)" Address pin
voltage range
Electrical characteristics (continued)
I²C electrical characteristics
Address pins characteristics
Parameter
Parameter
I
I
Parameter
= 12 V.
= 12 V
SDA, SCL
SDA, SCL
SDA, SCL, V
SDA (open drain), I
SCL
EXTM AC coupling
I
EN=0, V
OUT
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
IH
=5V
=500mA
Doc ID 15335 Rev 4
(1)
(1)
Test conditions
OBK
I
= 0.4 to 4.5V
Test conditions
Test condition
=21V
OL
= 6mA
(1)
Min.
400
-10
Min.
2
Min.
0
2
0
2
Typ.
Typ.
Typ.
220
150
2.0
93
15
15
-6
Max.
0.8
Max.
5
5
0.8
0.6
10
Max.
400
0.8
-15
LNBH23L
Unit
mV
Unit
kHz
V
V
V
Unit
µA
kHz
mA
kΩ
µA
V
V
V
°C
°C
%
V
V
PP