Datasheet
LNBH23L Electrical characteristics
Doc ID 15335 Rev 4 19/25
8 Electrical characteristics
Refer to the typical application circuits, T
J
from 0 to 85 °C, EN=1,
VSEL=LLC=TEN=PCL=TEST4=TEST5=TTX=0, R
SEL
=15 kΩ, DSQIN=LOW, V
IN
=12 V,
I
OUT
= 50 mA, unless otherwise stated. Typical values are referred to T
J
= 25 °C. V
OUT
=
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
IN
Supply voltage I
OUT
=500mA, VSEL=LLC=1 8 12 15 V
I
IN
Supply current
I
OUT
=0 7 15
mA
EN=TEN=TTX=1, I
OUT
=0,
PDC circuit not connected
20 40
EN=0 2
V
OUT
Output voltage
VSEL=1
I
OUT
=500mA
LLC=0 17.8 18.4 19.2
V
LLC=1 19.5
V
OUT
Output voltage
VSEL=0
I
OUT
=500mA
LLC=0 12.8 13.4 14
LLC=1 14.4
V
OUT
Line regulation V
IN
=8 to 15V
VSEL=0 5 40
mVVSEL=1 5 60
V
OUT
Load regulation VSEL=0 or 1 I
OUT
from 50 to 500mA 200
I
MAX
Output current limiting
thresholds
RSEL=15 kΩ 500 800
mA
RSEL= 22 kΩ 300 600
I
SC
Output short circuit current VSEL=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
(Using internal tone generator)
18 22 26 kHz
A
TONE
Tone amplitude
DSQIN=HIGH or TEN=1, TTX=1,
DiSEqC 1.X configuration using
internal generator, I
OUT
from 0 to
500mA, C
OUT
from 0 to 750nF, PDC
Optional circuit connected to V
oRX
rail
0.4 0.650 0.9 V
PP
D
TONE
Tone duty cycle
DSQIN=HIGH or TEN=1, TTX=1
(Using internal tone generator)
40 50 60 %
t
r
, t
f
Tone rise or fall time
DSQIN=HIGH or TEN=1, TTX=1
(Using internal tone generator)
5815µs
V
PDC_OL
PDC pin logic LOW I
PDC
=2mA 0.3 V
I
PDC_OZ
PDC pin leakage current V
PDC
=5V 1 µA
G
EXTM
External modulation gain
ΔV
OUT
/ ΔV
EXTM
, freq. from 10 kHz to
50 kHz
1.8










