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LNBH23TPPR

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LNBH23 Electrical characteristics
Doc ID 13356 Rev 8 19/32
8 Electrical characteristics
Refer to the typical application circuit, T
J
= 0 to 85 °C, EN=1,
VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, R
SEL
= 11 kΩ, DSQIN = LOW, V
I
= 12 V, I
O
=
50 mA, unless otherwise stated. Typical values are referred to T
J
= 25 °C. V
O
= V
oRX
pin
voltage. See software description section for I²C access to the system register.
Table 8. Electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
I
Supply voltage I
O
=750mA, VSEL=LLC=1 8 12 15 V
I
I
Supply current
I
O
=0 7 15
mAEN=TEN=TTX=1, I
O
=0 20 40
EN=0 2
V
O
Output voltage
AUX=1; I
O
=50mA 22
V
V
SEL
=1 I
O
=750mA
LLC=0 17.8 18.5 19.2
LLC=1 18.8 19.5 20.2
V
SEL
=0 I
O
=750mA
LLC=0 12.8 13.4 14
LLC=1 13.8 14.4 15
V
O
Line regulation V
I
=8 to 15V
VSEL=0 5 40
mV
VSEL=1 5 60
V
O
Load regulation V
SEL
=0 or 1, I
O
from 50 to750mA 200 mV
13/18
T
R
- T
F
13/18V Rise and Fall transition
time by V
CTRL
pin
V
SEL
=LLC=1, V
CTRL
from LOW to
HIGH and vice versa, I
O
from 6 to
450mA, C
O
from 10 to 330nF
575 µs
I
MAX
Output current limiting
R
SEL
=11kΩ 750 1000
mA
R
SEL
= 22kΩ 300 600
I
SC
Output short circuit current V
SEL
=0/1, AUX=0/1 1000 mA
T
OFF
Dynamic overload protection
OFF time
PCL=0, Output shorted 900
ms
T
ON
Dynamic overload protection ON
time
PCL=0, Output shorted T
OFF
/10
F
TONE
Tone frequency DSQIN=HIGH or TEN=1, TTX=1 20 22 24 kHz
A
TONE
Tone amplitude
DSQIN=HIGH or TEN=1, TTX=1
I
O
from 0 to750mA
C
O
from 0 to 750nF
0.4 0.650 0.9 V
PP
D
TONE
Tone duty cycle DSQIN=HIGH or TEN=1, TTX=1 43 50 57 %
t
r
, t
f
Tone rise or fall time DSQIN=HIGH or TEN=1, TTX=1 5 8 15 µs
F
EXTM
EXTM frequency V
EXTM-H
=3.3V, V
EXTM-L
=0V,
(1)
20 22 24 kHz
Eff
DC-DC
DC-DC converter efficiency I
O
=750mA 93 %
F
SW
DC-DC converter switching freq. 220 kHz
F
DETIN
Tone detector freq. capture range 0.4V
PP
sine wave
(2)
19 22 25 kHz
Electrical characteristics LNBH23
20/32 Doc ID 13356 Rev 8
T
J
from 0 to 85 °C, V
I
= 12 V
T
J
from 0 to 85 °C, V
I
= 12 V
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
DETIN
Tone detector input amplitude Sine wave signal, 22 kHz 0.3 1.5 V
PP
Z
DETIN
Tone detector input impedance 150 kΩ
V
OL
DSQOUT pin logic LOW DETIN Tone present, I
OL
=2mA 0.3 0.5 V
I
OZ
DSQOUT pin leakage current DETIN Tone absent, V
OH
=6V 10 µA
V
IL
DSQIN,TTX,13/18, EXTM pin
logic Low
0.8 V
V
IH
DSQIN,TTX,13/18, EXTM pin
logic High
2V
I
IH
DSQIN,TTX,13/18, EXTM pin
input current
V
IH
=5V 15 µA
I
OBK
Output backward current EN=0, V
OBK
=21V -6 -15 mA
T
SHDN
Thermal shut-down threshold 150 °C
ΔT
SHDN
Thermal shut-down hysteresis 15 °C
1. External signal frequency range in which the EXTM function is guaranteed.
2. Frequency range in which the DETIN function is guaranteed. The V
PP
level is intended on the LNB bus (before the C12
capacitor. See
Figure 4
)
Table 8. Electrical characteristics (continued)
Table 9. I²C electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
IL
LOW Level input voltage SDA, SCL 0.8 V
V
IH
HIGH Level input voltage SDA, SCL 2 V
I
I
Input current SDA, SCL, V
I
= 0.4 to 4.5V -10 10 µA
V
OL
Low level output voltage SDA (open drain), I
OL
= 6mA 0.6 V
f
MAX
Maximum clock frequency SCL 400 kHz
Table 10. Address pin characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
V
ADDR-1
"0001010(R/W)" Address pin
voltage range
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
00.8V
V
ADDR-2
"0001011(RW)" Address pin
voltage range
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
25V
V
ADDR-3
(1)
"0001000(RW)" Address pin
voltage range
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
05V
1. This I²C address is reserved only for internal usage. Do not use this address with other I²C peripherals to avoid address
conflicts.
LNBH23 Electrical characteristics
Doc ID 13356 Rev 8 21/32
Refer to the typical application circuit, T
J
from 0 to 85 °C, EN=1,
VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, R
SEL
=11 kΩ, DSQIN=LOW, V
I
= 12 V, I
O
= 50
mA, unless otherwise stated. Typical values are referred to T
J
= 25 °C. V
O
=V
oRX
pin voltage.
See software description section for I²C
access to the system register.
Note: 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
oRX
>85% of V
oRX
typical; If VMON=1 then V
oRX
<95% of
V
oRX
typical.
When VSEL=1: If VMON=0 then V
oRX
>84% of V
oRX
typical; If VMON=1 then V
oRX
<96% of
V
oRX
typical.
T
J
from 0 to 85 °C, EN = 1, VSEL=LLC=TEN=PCL=TTX=0, DSQIN=LOW, V
I
= 12 V, unless
otherwise stated. See software description section for I²C access to the system register.
Note: 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.
Refer to the typical application circuit, T
J
from 0 to 85 °C, EN = 1,
VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, R
SEL
= 11 KΩ, DSQIN=LOW, V
I
= 12 V, I
O
=
50 mA, unless otherwise stated. Typical values are referred to T
J
=25°C. V
oRX
=V
oRX
pin
voltage. See software description section for I²C
access to the system register.
Note: If the 22 kHz tone parameters are lower or higher than the above limits the TMON I²C bit is
set to 1.
Table 11. Output voltage diagnostic (VMON bit) characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
V
TH-L
Diagnostic low threshold at
V
O
=13.4V
EN=1, VSEL=0
LLC=0
85 90 95 %
V
TH-L
Diagnostic low threshold at
V
O
=18.5V
EN=VSEL=1
LLC=0
84 90 96 %
Table 12. Minimum output current diagnostic (IMON bit) characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
I
TH
Minimum current diagnostic
threshold
ITEST=1, AUX=0/1 5 12 20
mA
ITEST=0, AUX=0/1 2.5 6 10
Table 13. 22 kHz tone diagnostic (TMON bit) characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
A
TH-L
Amplitude diagnostic low
threshold
DETIN pin AC coupled 200 300 400 mV
A
TH-H
Amplitude diagnostic high
threshold
DETIN pin AC coupled 900 1100 1200 mV
F
TH-L
Frequency diagnostic low
thresholds
DETIN pin AC coupled 13 16.5 20 kHz
F
TH-H
Frequency diagnostic high
thresholds
DETIN pin AC coupled 24 29.5 38 kHz
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LNBH23TPPR

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Buy LNBH23TPPR
Manufacturer:
STMicroelectronics
Description:
Power Management Specialized - PMIC LNB supply control IC Step up
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