LNBH23 STMicroelectronics, LNBH23 Datasheet - Page 19

• Manufacturer Part Number: LNBH23
• Description: LNBs supply and control IC with step-up and I2C interface
• Manufacturer: STMicroelectronics

Specifications of LNBH23

• Single Input Supply Voltage: from 8 V to 15 V

LNBH23
8
Table 8.
Eff
Symbol
T
F
D
F
A
F
13/18
T
I
R
F
DETIN
T
TONE
TONE
t
EXTM
MAX
TONE
I
DC-DC
V
V
V
OFF
r
V
SC
ON
SW
I
, t
- T
I
O
O
O
I
f
F
Supply voltage
Supply current
Output voltage
Line regulation
Load regulation
13/18V Rise and Fall transition
time by V
Output current limiting
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
EXTM frequency
DC-DC converter efficiency
DC-DC converter switching freq.
Tone detector freq. capture range 0.4V
Electrical characteristics
Refer to the typical application circuit, T
VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, R
50 mA, unless otherwise stated. Typical values are referred to T
voltage. See software description section for I²C access to the system register.
Electrical characteristics
CTRL
Parameter
pin
I
I
EN=TEN=TTX=1, I
EN=0
AUX=1; I
V
V
V
V
V
HIGH and vice versa, I
450mA, C
R
R
V
PCL=0, Output shorted
PCL=0, Output shorted
DSQIN=HIGH or TEN=1, TTX=1
DSQIN=HIGH or TEN=1, TTX=1
I
C
DSQIN=HIGH or TEN=1, TTX=1
DSQIN=HIGH or TEN=1, TTX=1
V
I
O
O
O
O
SEL
SEL
I
SEL
SEL
SEL
EXTM-H
SEL
SEL
O
Doc ID 13356 Rev 7
=750mA, VSEL=LLC=1
=0
=8 to 15V
=750mA
from 0 to750mA
from 0 to 750nF
PP
=1 I
=0 I
=0 or 1, I
=LLC=1, V
=0/1, AUX=0/1
=11kΩ
= 22kΩ
sine wave
O
O
O
=3.3V, V
Test conditions
O
=750mA
=750mA
=50mA
J
from 10 to 330nF
= 0 to 85 °C, EN=1,
O
CTRL
from 50 to750mA
EXTM-L
(2)
O
=0
SEL
from LOW to
O
=0V,
from 6 to
= 11 kΩ, DSQIN = LOW, V
LLC=0
LLC=1
LLC=0
LLC=1
VSEL=0
VSEL=1
(1)
J
Min.
17.8
18.8
12.8
13.8
750
300
0.4
20
43
20
19
Electrical characteristics
= 25 °C. V
8
5
T
0.650
OFF
1000
Typ.
18.5
19.5
13.4
14.4
900
220
575
12
20
22
22
50
22
93
22
7
2
5
5
8
/10
O
= V
I
= 12 V, I
Max.
1000
19.2
20.2
200
600
0.9
15
15
40
14
15
40
60
24
57
15
24
25
oRX
pin
Unit
kHz
V
kHz
kHz
kHz
19/32
mA
mV
mV
mA
mA
ms
O
µs
µs
%
%
V
V
PP
=