LNBH23L STMicroelectronics, LNBH23L Datasheet - Page 19

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

LNBH23L
8
Table 8.
V
Symbol
I
D
PDC_OZ
G
F
A
PDC_OL
V
V
V
V
T
I
T
TONE
TONE
t
V
MAX
I
TONE
EXTM
I
OUT
OUT
OUT
OUT
OFF
r
SC
ON
, t
IN
IN
f
Supply voltage
Supply current
Output voltage
Output voltage
Line regulation
Load regulation
Output current limiting
thresholds
Output short circuit current
Dynamic overload protection
OFF time
Dynamic overload protection
ON time
Tone frequency
Tone amplitude
Tone duty cycle
Tone rise or fall time
PDC pin logic LOW
PDC pin leakage current
External modulation gain
Electrical characteristics
Refer to the typical application circuits, T
VSEL=LLC=TEN=PCL=TEST4=TEST5=TTX=0, R
I
V
Electrical characteristics
OUT
oRX
= 50 mA, unless otherwise stated. Typical values are referred to T
pin voltage. See software description section for I²C access to the system register.
Parameter
I
I
EN=TEN=TTX=1, I
PDC circuit not connected
EN=0
VSEL=1
I
VSEL=0
I
V
VSEL=0 or 1 I
RSEL=15 kΩ
RSEL= 22 kΩ
VSEL=0/1, AUX=0/1
PCL=0, output shorted
PCL=0, output shorted
DSQIN=HIGH or TEN=1, TTX=1
(Using internal tone generator)
DSQIN=HIGH or TEN=1, TTX=1,
DiSEqC 1.X configuration using
internal generator, I
500mA, C
Optional circuit connected to V
DSQIN=HIGH or TEN=1, TTX=1
(Using internal tone generator)
DSQIN=HIGH or TEN=1, TTX=1
(Using internal tone generator)
I
V
ΔV
50 kHz
OUT
OUT
OUT
OUT
PDC
IN
PDC
OUT
=8 to 15V
Doc ID 15335 Rev 4
=500mA, VSEL=LLC=1
=0
=500mA
=500mA
=2mA
=5V
/ ΔV
OUT
EXTM
Test conditions
OUT
from 0 to 750nF, PDC
, freq. from 10 kHz to
J
from 0 to 85 °C, EN=1,
from 50 to 500mA
OUT
OUT
LLC=0
LLC=1
LLC=0
LLC=1
VSEL=0
VSEL=1
=0,
from 0 to
SEL
oRX
=15 kΩ, DSQIN=LOW, V
rail
Min.
17.8
12.8
500
300
0.4
18
40
Electrical characteristics
8
5
T
J
0.650
OFF
1000
Typ.
18.4
19.5
13.4
14.4
900
= 25 °C. V
0.3
1.8
12
20
22
50
7
2
5
5
8
1
/10
IN
Max.
19.2
200
800
600
0.9
15
15
40
14
40
60
26
60
15
=12 V,
OUT
Unit
kHz
V
19/25
=
mA
mV
mA
mA
ms
µA
µs
%
V
V
V
PP