LNBH24 STMicroelectronics, LNBH24 Datasheet - Page 12

• Manufacturer Part Number: LNBH24
• Description: Dual LNB supply and control IC with step-up and I2C interface
• Manufacturer: STMicroelectronics

5
Figure 4.
12/30
+12V
+12V
V
V
D1a
D1a
STPS130A
STPS130A
D1b
D1b
STPS130A
STPS130A
IN
IN
L1a
L1a
22µH
22µH
L1b
L1b
22µH
22µH
100µF
100µF
C1
C1
470nF
470nF
C4a
C4a
470nF
470nF
C4b
C4b
Application circuit
Typical application circuit
C3b
C3b
100µF
100µF
C3a
C3a
100µF
100µF
C2
C2
100nF
100nF
100nF
100nF
C7
C7
Ferrite
Ferrite
Rsel-A
Rsel-A
Ferrite
Ferrite
11KΩ
11KΩ
Bead
Bead
L2a
L2a
Bead
Bead
L2b
L2b
I
I
2
2
C
C
C5b
C5b
100µF
100µF
C5b
C5b
100µF
100µF
Rsel-B
Rsel-B
11KΩ
11KΩ
C8
C8
220nF
220nF
R1
R1
100Ω
100Ω
C6b
C6b
470nF
470nF
C6b
C6b
470nF
470nF
P-GND-B
P-GND-B
22
22
11
11
21
21
34
34
29
29
28
28
8
8
13
13
12
12
33
33
LX-B
LX-B
V
V
LX-A
LX-A
ISEL-A
ISEL-A
ISEL-B
ISEL-B
V
V
V
V
SCL
SCL
SDA
SDA
V
V
UP
UP
CC
CC
CC
CC
UP
UP
9
9
-A
-A
-L
-L
-B
-B
EXTM-A
EXTM-A
P-GND-A
P-GND-A
19
19
10
10
VCTRL-A
VCTRL-A
20
20
A-GND
A-GND
1-30
1-30
L
L
N
N
B
B
H
H
2
2
4
4
EXTM-B
EXTM-B
BYP
BYP
27
27
36
36
C11
C11
470nF
470nF
ADDR-A
ADDR-A
VCTRL-B
VCTRL-B
14
14
DSQOUT-A
DSQOUT-A
DSQOUT-B
DSQOUT-B
D3b
D3b
1N4007
1N4007
D3a
D3a
1N4007
1N4007
35
35
DETIN-A
DETIN-A
DSQIN-A
DSQIN-A
DSQIN-B
DSQIN-B
DETIN-B
DETIN-B
VoRX-B
VoRX-B
VoTX-B
VoTX-B
VoRX-A
VoRX-A
VoTX-A
VoTX-A
TTX-A
TTX-A
TTX-B
TTX-B
ADDR-B
ADDR-B
6
6
26
26
17
17
16
16
15
15
18
18
31
31
32
32
25
25
4
4
5
5
2
2
3
3
C10a
C10a
220nF
220nF
C10b
C10b
220nF
220nF
R3a 10KΩ
R3a 10KΩ
R3b 10KΩ
R3b 10KΩ
D2a
D2a
BAT43
BAT43
D2b
D2b
BAT43
BAT43
1N5818
1N5818
D4a
D4a
1N5818
1N5818
D4b
D4b
C9b 10µF
C9b 10µF
C9a 10µF
C9a 10µF
220µH
220µH
220µH
220µH
L3a
L3a
15 Ω
15 Ω
R4a
R4a
L3b
L3b
15Ω
15Ω
R4b
R4b
C12a
C12a
10nF
10nF
C12b
C12b
10nF
10nF
LNBOUT_B
LNBOUT_B
LNBOUT_A
LNBOUT_A
C13a 10nF
C13a 10nF
C13b 10nF
C13b 10nF