lnbh221 STMicroelectronics, lnbh221 Datasheet - Page 7

• Manufacturer Part Number: lnbh221
• Description: Dual Lnb Supply And Control Ic With Step-up Converter And I2c Interface
• Manufacturer: STMicroelectronics

LD39150
4
Figure 3.
12V
12V
Vin
Vin
L1=22µH
L1=22µH
Axial Ferrite Bead Filter
Axial Ferrite Bead Filter
F1
F1
MURATA BL01RN1-A62
MURATA BL01RN1-A62
Panasonic EXCELS A35
Panasonic EXCELS A35
suggested part number:
suggested part number:
IC2
IC2
IC2
Typical application circuits for each section: A and B
Application Circuit For Diseqc 1.x And Output Current Up To 500mA
Tone Enable
Tone Enable
STS4DNFS30L
STS4DNFS30L
STS4DNFS30L
C9
C9
C9
220µF
220µF
220µF
Rsc
Rsc
0.1 Ω Ω Ω Ω
0.1 Ω Ω Ω Ω
C1
C1
220µF
220µF
F1
F1
220µF
220µF
C2
C2
C4
C4
470nF
470nF
Ceramic
Ceramic
Ceramic
Ceramic
C3
C3
470nF
470nF
IC1
IC1
DSQIN
DSQIN
SDA
SDA
SCL
SCL
Vup
Vup
Gate
Gate
Sense
Sense
Vcc
Vcc
Typical application circuits for each section: A and B
Section A and B
Section A and B
LNBH221
LNBH221
D1 1N4001
D1 1N4001
GND
GND
(**) DETIN
(**) DETIN
Address
Address
DSQOUT
DSQOUT
EXTM
EXTM
V
V
VoRX
VoRX
oTX
oTX
Byp
Byp
C5
C5
10nF
10nF
C5
C5
470nF
470nF
D2
D2
BAT43
BAT43
0<V
0<V
Set TTX=1
Set TTX=1
ADDR
ADDR
<V
<V
to LNB
to LNB
BYP
BYP
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