lnbh221 STMicroelectronics, lnbh221 Datasheet - Page 3

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

LD39150
1
Figure 1.
Diagram
Block diagram
DSQIN
DSQIN
DSQIN
DSQIN
Sense
Sense
ADDR
ADDR
Sense
Sense
ADDR
ADDR
Gate
Gate
Gate
Gate
SDA
SDA
SCL
SCL
SDA
SDA
SCL
SCL
Vup
Vup
Byp
Byp
Vup
Vup
Byp
Byp
Vcc
Vcc
Vcc
Vcc
Preregul.+
Preregul.+
Preregul.+
U.V.lockout
U.V.lockout
U.V.lockout
+P.ON res.
+P.ON res.
+P.ON res.
+P.ON res.
+P.ON res.
+P.ON res.
Preregul.+
Preregul.+
Preregul.+
U.V.lockout
U.V.lockout
U.V.lockout
I²C
I²C
I²C
I²C
I²C
I²C
V Select
V Select
V Select
Enable
Enable
Enable
TEN
TEN
TEN
V Select
V Select
V Select
TEN
TEN
TEN
Enable
Enable
Enable
Step-up
Step-up
Step-up
Controller
Controller
Controller
Step-up
Step-up
Step-up
Controller
Controller
Controller
LNBH221- section A
LNBH221- section A
LNBH221- section B
LNBH221- section B
22KHz
22KHz
22KHz
Oscill.
Oscill.
Oscill.
22KHz
22KHz
22KHz
Oscill.
Oscill.
Oscill.
Linear Post-reg
Linear Post-reg
Linear Post-reg
Linear Post-reg
Linear Post-reg
Linear Post-reg
+Modulator
+Modulator
+Modulator
+Protections
+Protections
+Protections
+Protections
+Protections
+Protections
+Modulator
+Modulator
+Modulator
Detector
Detector
Detector
Detector
Detector
Detector
Diagn.
Diagn.
Diagn.
Diagn.
Diagn.
Diagn.
Tone
Tone
Tone
Tone
Tone
Tone
VoTX
VoTX
VoRX
VoRX
EXTM
EXTM
DETIN
DETIN
DSQOUT
DSQOUT
VoTX
VoTX
VoRX
VoRX
EXTM
EXTM
DETIN
DETIN
DSQOUT
DSQOUT
Diagram
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