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參數(shù)資料
| 型號： | LNBK20D2 |
| 英文描述： | LNB SUPPLY AND CONTROL VOLTAGE REGULATOR (PARALLEL INTERFACE) |
| 中文描述： | LNB電源與控制穩(wěn)壓器（并行接口） |
| 文件頁數(shù)： | 2/14頁 |
| 文件大小： | 465K |
| 代理商： | LNBK20D2 |
LNBK20D2
2/14
available (EXTM). An appropriate DC blocking
capacitor must be used to couple the modulating
signal source to the EXTM pin. When external
modulation is not used, the relevant pin can be left
open.
Two pins are dedicated to the overcurrent
protection/monitoring:
CEXT
overcurrent protection circuit works dynamically:
as soon as an overload is detected in either LNB
output, the output is shut-down for a time Toff
determined by the capacitor connected between
CEXT and GND. Simultaneously the OLF pin, that
is an open collector diagnostic output flag, from
HIGH IMPEDANCE state goes LOW.
After the time has elapsed, the output is resumed
for a time t
on
=1/15t
off
(typ.) and OLF goes in HIGH
and
OLF.
The
IMPEDANCE. If the overload is still present, the
protection circuit will cycle again through t
off
and
ton until the overload is removed. Typical t
on
+t
off
value is 1200ms when a 4.7
μ
F external capacitor
is used.
This dynamic operation can greatly reduce the
power dissipation in short circuit condition, still
ensuring excellent power-on start up even with
highly capacitive loads on LNB outputs.
The
device
is
packaged
thru-holes mounting and in PowerSO-20 for
surface mounting. When a limited functionality in a
smaller package matches design needs, a range
of cost-effective PowerSO-10 solutions is also
offered.
All
versions
protection against overheating damage.
in
Multiwatt15
for
have
built-in
thermal
(*): External components are needed to comply to level 2.x and above (bidirectiona) DiSEqC
bus hardware requirements. DiSEqC
is a
trademark or EUTELSAT.
PIN CONFIGURATION
(top view)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LNBK20D2-TR | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) LNB SUPPLY AND CONTROL Vltg REG RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LNBK20PD | 功能描述:IC LNB SUPPLY & CNTRL 20-PWRSOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 應(yīng)用:PDA，便攜式音頻/視頻，智能電話 接口:I²C，2 線串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2 |
| LNBK20PD-TR | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) VOLTAGE REGULATOR RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LNBP10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LNB SUPPLY AND CONTROL VOLTAGE REGULATOR PARALLEL INTERFACE |
| LNBP10LPUR | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) LNB SUP/CTRL VLT REG RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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