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參數(shù)資料
| 型號： | LNBH221 |
| 廠商： | 意法半導體 |
| 英文描述： | DUAL LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE |
| 中文描述： | 雙LNB電源與控制集成電路升壓轉(zhuǎn)換器和I2C接口 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 515K |
| 代理商： | LNBH221 |
LNBH221
4/18
TYPICAL APPLICATION CIRCUITS FOR EACH SECTION : A and B
APPLICATION CIRCUIT FOR DiSEqC 1.x AND OUTPUT CURRENT UP TO 500mA
APPLICATION CIRCUIT FOR Bi-directional DiSEqC 2.0 AND OUTPUT CURRENT UP TO 500mA
C8, D3 and D4 are needed to protect the output pins from any negative voltage spikes during high speed voltage transitions.
(*): R-L filter to be used according to EUTELSAT recommendation to implement the DiSEqC
TM
2.0, (see DiSEqC
TM
implementation on
page 8). If bidirectional DiSEqC
TM
2.0 is not implemented it can be removed both with C8 and D4.
(**) Do not leave these pins floating if not used.
(***) To be soldered as close as possible to relative pins.
LNBH221
Vup
Gate
12V
L1=22μH
Sense
Vcc
10nF
V
oTX
SDA
SCL
DSQIN
Address
470nF
GND
0<V
ADDR
<V
BYP
0.1
470nF
470nF
D1 1N4001
220μF
Ceramic
BAT43
IC1
STN4NF03L
IC2
220μF
C2
220μF
Panasonic EXCELS A35
F1
EXTM
DSQOUT
(**) DETIN
VoRX
to LNB
Byp
Tone Enable
Set TTX=1
Section A and B
Vin
C5
C5
Rsc
C3
C1
C4
470nF
D2
C9
Axial Ferrite Bead Filter
F1
suggested part number:
MURATA BL01RN1-A62
22KHz Tone Enable
270μH
(*) see note
LNBH221
Vup
Gate
12V
L1=22μH
Sense
Vcc
VoRX
VoTX
(**) DETIN
100nF
to LNB
SDA
SCL
DSQOUT
DSQIN (**)
ADDRESS
Byp
470nF
GND
0<V
ADDR
<V
BYP
EXTM
10nF
0.1
Ceramic
D2 1N4001
220μF
Ceramic
BAT43
IC1
BAT43
100nF
220μF
C2
220μF
F1
Axial Ferrite Bead Filter
Panasonic EXCELS A35
Section A and B
STN4NF03L
IC2
15 ohm
Vin
C7(***)
C5
C6
Rsc
C3(***)
470nF
C1
C4(***)
470nF
D3(***)
D4(***)
C8(***)
C9
MURATA BL01RN1-A62
F1
suggested part number:
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相關代理商/技術參數(shù) |
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| LNBH221/1TM | 制造商:STMicroelectronics 功能描述:LNB SUPPLY/CONTROL REGULATOR, 36 Pin, Plastic, SSOP |
| LNBH221/1TM-TR | 制造商:STMicroelectronics 功能描述:LNB SUPPLY/CONTROL REGULATOR, 36 Pin, Plastic, SSOP |
| LNBH221_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Dual LNB supply and control IC with Step-Up converter and I2C interface |
| LNBH221PD | 功能描述:IC LNB SUPP&CTRL DUAL 36-PWRSOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,000 系列:- 應用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應商設備封裝:42-WLP 包裝:帶卷 (TR) |
| LNBH221PD-TR | 功能描述:其他電源管理 LNB Supply/Control RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
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