LNBK20D2 STMicroelectronics, LNBK20D2 Datasheet - Page 10

• Manufacturer Part Number: LNBK20D2
• Description: LNB SUPPLY AND CONTROL VOLTAGE REGULATOR (PARALLEL INTERFACE)
• Manufacturer: STMicroelectronics

LNBK20D2
SINGLE ANTENNA RECEIVER WITH MASTER RECEIVER PORT
USING SERIAL BUS TO SAVE MPU I/Os
10/14
AUX DATA
AUX DATA
MCU+V
MCU+V
I/Os
I/Os
47K
47K
R1
R1
Vcc
Vcc
MCU+V
MCU+V
AUX DATA
AUX DATA
15
15
1
1
2
2
3
3
Vcc
Vcc
MCU+V
MCU+V
4094
4094
STR
STR
D
D
CLK
CLK
OE
OE
47K
47K
R1
R1
I/Os
I/Os
C2
C2
10uF
10uF
Q1
Q1
Q2
Q2
Q3
Q3
Q4
Q4
Q5
Q5
Q6
Q6
Q7
Q7
Q8
Q8
QS
QS
QS
QS
12
12
11
11
13
13
4
4
9
9
5
5
7
7
14
14
13
13
12
12
11
11
10
10
4
4
5
5
6
6
7
7
9
9
10uF
10uF
EXTM
EXTM
OLF
OLF
VSEL
VSEL
ENT
ENT
EN
EN
OSEL
OSEL
LLC
LLC
LNBK20
LNBK20
C2
C2
13
13
11
11
12
12
4
4
9
9
5
5
7
7
MCU
MCU
EXTM
EXTM
OLF
OLF
VSEL
VSEL
ENT
ENT
EN
EN
OSEL
OSEL
LLC
LLC
LNBK20
LNBK20
CEXT
CEXT
VCC1
VCC1
VCC2
VCC2
LNBA
LNBA
LNBB
LNBB
GND
GND
MI
MI
1
1
2
2
3
3
15
15
14
14
10
10
8
8
4.7µF
4.7µF
VCC1 1
VCC1 1
VCC2 2
VCC2 2
LNBA 3
LNBA 3
LNBB 15
LNBB 15
CEXT 10
CEXT 10
MCU
MCU
GND 8
GND 8
MI
MI
C1
C1
+
14
14
17V
17V
4.7µF
4.7µF
2x 0.1µF
2x 0.1µF
C3
C3
C1
C1
+
+
17V
17V
C4
C4
2x 0.1µF
2x 0.1µF
C3
C3
24V
24V
C5
C5
47nF
47nF
C4
C4
2x 47nF
2x 47nF
SERIAL
SERIAL
BUS
BUS
24V
C5
C5
C6
C6
TUNER
TUNER
I/Os
TUNER
TUNER
ANT
ANT
CONNECTORS
CONNECTORS
ANT
ANT
MASTER
MASTER
JA
JA
JB
JB