參數資料
型號： LNBH221PD
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： 0.75 A DUAL SWITCHING CONTROLLER, PDSO36
封裝： POWER, SO-36
文件頁數： 28/29頁
文件大?。?/td> 800K
代理商： LNBH221PD
Typical application circuits for each section: A and B
LNBH221
8/27
1.
C8, D3 and D4 are needed to protect the output pins from any negative voltage spikes during high speed
voltage transitions.
2.
(*): R-L filter to be used according to EUTELSAT recommendation to implement the DiSEqCTM 2.0, (see
DiSEqCTM implementation on page 8). If bidirectional DiSEqCTM 2.0 is not implemented it can be removed
both with C8 and D4.
3.
(**) Do not leave these pins floating if not used.
4.
(***) To be soldered as close as possible to relative pins
Figure 4.
Application Circuit For Bi-directional Diseqc 2.0 And Output Current Up To 500mA
22KHz Tone Enable
270H
15 ohm
(*) see note
LNBH221
Vup
Gate
Vin
12V
L1=22H
Sense
Vcc
VoRX
VoTX
(**) DETIN
C7(***)
100nF
to LNB
SDA
SCL
DSQOUT
DSQIN (**)
ADDRESS
Byp
C5
470nF
GND
0<VADDR<VBYP
EXTM
C6
10nF
Rsc
0.1
C3(***)
470nF
Ceramic
D2 1N4001
C1
220F
C4(***)
470nF
Ceramic
D3(***)
BAT43
IC1
D4(***)
BAT43
C8(***)
100nF
C9
220F
C2
220F
F1
Axial Ferrite Bead Filter
F1 suggested part number:
MURATA BL01RN1-A62
Panasonic EXCELS A35
Section A and B
STS4DNFS30L
IC2
22KHz Tone Enable
270H
15 ohm
(*) see note
LNBH221
Vup
Gate
Vin
12V
L1=22H
Sense
Vcc
VoRX
VoTX
(**) DETIN
C7(***)
100nF
to LNB
SDA
SCL
DSQOUT
DSQIN (**)
ADDRESS
Byp
C5
470nF
GND
0<VADDR<VBYP
EXTM
C6
10nF
Rsc
0.1
C3(***)
470nF
Ceramic
D2 1N4001
C1
220F
C4(***)
470nF
Ceramic
D3(***)
BAT43
IC1
D4(***)
BAT43
C8(***)
100nF
C9
220F
C9
220F
C2
220F
F1
Axial Ferrite Bead Filter
F1 suggested part number:
MURATA BL01RN1-A62
Panasonic EXCELS A35
Axial Ferrite Bead Filter
F1 suggested part number:
MURATA BL01RN1-A62
Panasonic EXCELS A35
Section A and B
STS4DNFS30L
IC2
STS4DNFS30L
IC2
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相關代理商/技術參數
參數描述
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
LNBH23 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LNBs supply and control IC with step-up and IC interface
LNBH23LQTR 功能描述:直流/直流開關轉換器 LNB SUPP/CNTRL IC WITH STEP UP RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LNBH23PPR 功能描述:其他電源管理 LNB supply and control IC 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
LNBH23PPR-CUT TAPE 制造商:ST 功能描述:LNBH23 Series 15 V 1 A LNB Supply Step-Up I? Interface Controller - PowerSSO-24
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