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LNBK10SP

更新时间： 2024-11-23 22:29:11
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器
页数 文件大小 规格书
18页 206K
描述
LNB SUPPLY AND CONTROL VOLTAGE REGULATOR PARALLEL INTERFACE

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中文翻译

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LNBK10SP 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：POWER, SO-10
针数：10Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84JESD-30 代码：R-PDSO-G10
JESD-609代码：e3长度：9.4 mm
功能数量：1输出次数：2
端子数量：10工作温度TJ-Max：125 °C
工作温度TJ-Min：-40 °C最大输出电流 1：0.4 A
最大输出电流 2：0.4 A最大输出电压 1：18.7 V
最小输出电压 1：17.3 V标称输出电压 1：18 V
封装主体材料：PLASTIC/EPOXY封装代码：HSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
调节器类型：FIXED/ADJUSTABLE POSITIVE MULTIPLE OUTPUT STANDARD REGULATOR座面最大高度：3.65 mm
表面贴装：YES端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.5 mmBase Number Matches：1

LNBK10SP 数据手册

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LNBK10 SERIES  
LNBK20  
LNB SUPPLY AND CONTROL VOLTAGE  
REGULATOR (PARALLEL INTERFACE)  
■
■
REDUCED OUTPUT CURRENT VERSION  
OF LNBP1X AND LNBP20 SERIES  
COMPLETE INTERFACE FOR TWO LNBs  
REMOTE SUPPLY AND CONTROL  
LNB SELECTION AND STAND-BY FUNCTION  
BUILT-INTONE OSCILLATOR FACTORY  
TRIMMED AT 22KHz  
■
■
■
■
■
■
■
FAST OSCILLATORSTART-UP  
FACILITATESDiSEqC ENCODING  
TWO SUPPLY INPUTS FOR LOWEST  
DISSIPATION  
BYPASSFUNCTION FOR SLAVE  
OPERATION  
LNB SHORT CIRCUIT PROTECTION AND  
DIAGNOSTIC  
AUXILIARYMODULATION INPUT EXTENDS  
Multiwatt-15  
10  
1
FLEXIBILITY  
PowerSo-20  
PowerSO-10  
■
■
CABLE LENGTH COMPENSATION  
INTERNAL OVER TEMPERATURE  
PROTECTION  
■
BACKWARD CURRENT PROTECTION  
(MI) and the LNBA pin, thus leaving all LNB  
powering and control functions to the Master  
Receiver. This electronic switch is closed when  
the device is powered and EN pin is LOW.  
The regulator outputs can be logic controlled to  
be 13 or 18 V (typ.) by mean of the VSEL pin for  
remote controlling of LNBs. Additionally, it is  
possible to increment by 1V (typ.) the selected  
voltage value to compensate the excess voltage  
drop along the coaxial cable (LLC pin HIGH).  
DESCRIPTION  
Intended for analog and digital satellite receivers,  
the LNBK is a monolithic linear voltage regulator,  
assembled in Multiwatt-15, PowerSO-20 and  
PowerSO-10, specifically designed to provide the  
powering voltages and the interfacing signals to  
the LNB downconverter situated in the antenna  
via the coaxial cable. It has the same functionality  
of the LNBP1X and LNBP20 series, at a reduced  
output current capability. Since most satellite  
receivers have two antenna ports, the output  
voltage of the regulator is available at one of two  
logic-selectable output pins (LNBA, LNBB). When  
the IC is powered and put in Stand-by (EN pin  
LOW), both regulator outputs are disabled to  
allow the antenna downconverters to be  
supplied/controlled by others satellite receivers  
sharing the same coaxial lines. In this occurrence  
the device will limit at 3 mA (max) the backward  
current that could flow from LNBA and LNBB  
output pins to GND.  
In order to reduce the power dissipation of the  
device when the lowest output voltage is  
selected, the regulator has two Supply Input pins  
VCC1 and VCC2  
.
They must be powered  
respectively at 16V (min) and 23V (min), and an  
internal switch automatically will select the  
suitable supply pin according to the selected  
output voltage. If adequate heatsink is provided  
and higher power losses are acceptable, both  
supply pins can be powered by the same 23V  
source without affecting any other circuit  
performance.  
The ENT (Tone Enable) pin activates the internal  
oscillator so that the DC output is modulated by a  
±0.3 V, 22KHz (typ.) square wave. This internal  
For slave operation in single dish, dual receiver  
systems, the bypass function is implemented by  
an electronic switch between the Master Input pin  
1/18  
September 1998  
1234567...18

中文翻译

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