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LNBS21PD PDF预览

LNBS21PD

更新时间: 2024-11-28 22:46:59
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管升压转换器
页数 文件大小 规格书
19页 639K
描述
LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE

LNBS21PD 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-20
针数:20Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.81Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING CONTROLLER最大输入电压:15 V
最小输入电压:8 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G20JESD-609代码:e3
长度:15.9 mm功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:1 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.56封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:12 V认证状态:Not Qualified
座面最大高度:3.6 mm子类别:Power Management Circuits
最大供电电流 (Isup):40 mA标称供电电压 (Vsup):12 V
表面贴装:YES切换器配置:SINGLE
最大切换频率:220 kHz温度等级:AUTOMOTIVE
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:11 mm
Base Number Matches:1

LNBS21PD 数据手册

 浏览型号LNBS21PD的Datasheet PDF文件第2页浏览型号LNBS21PD的Datasheet PDF文件第3页浏览型号LNBS21PD的Datasheet PDF文件第4页浏览型号LNBS21PD的Datasheet PDF文件第5页浏览型号LNBS21PD的Datasheet PDF文件第6页浏览型号LNBS21PD的Datasheet PDF文件第7页 
LNBS21  
LNB SUPPLY AND CONTROL IC WITH  
2
STEP-UP CONVERTER AND I C INTERFACE  
COMPLETE INTERFACE BETWEEN LNB  
AND I2CTM BUS  
BUILT-IN DC/DC CONTROLLER FOR  
SINGLE 12V SUPPLY OPERATION  
ACCURATE BUILT-IN 22KHz TONE  
OSCILLATOR  
SUITS WIDELY ACCEPTED STANDARDS  
FAST OSCILLATOR START-UP FACILITATES  
DiSEqCTM ENCODING  
PowerSO-20  
BUILT-IN 22KHz TONE DETECTOR  
SUPPORTS BI-DIRECTIONAL DiSEqCTM  
LOOP-THROUGH FUNCTION FOR SLAVE  
OPERATION  
LNB SHORT CIRCUIT PROTECTION AND  
DIAGNOSTIC  
CABLE LENGTH DIGITAL COMPENSATION  
INTERNAL OVER TEMPERATURE  
PROTECTION  
assembled in PowerSO-20, specifically designed  
to provide the power and the 13/18V, 22KHz tone  
signalling to the LNB downconverter in the  
antenna or to the multiswitch box. In this  
application field, it offers a complete solution with  
extremely low component count, low power  
2
TM  
dissipation together with simple design and I C  
standard interfacing.  
DESCRIPTION  
This IC has a built in DC/DC step-up controller  
that, from a single supply source ranging from 8 to  
15V, generates the voltages that let the linear  
Intended for analog and digital satellite STB  
receivers/SatTV, sets/PC cards, the LNBS21 is a  
monolithic voltage regulator and interface IC,  
SCHEMATIC DIAGRAM  
LNBS21  
Gate  
LT1  
LT2  
OUT  
Sense  
Feedback  
Step-up  
Controller  
Vup  
Vcc  
Preregul.+  
U.V.lockout  
+P.ON res.  
Enable  
Linear Post-reg  
+Modulator  
I Select  
Byp  
+Protections  
V Select  
EXTM  
SDA  
SCL  
Diagnostics  
I²C  
interf.  
DETIN  
Tone  
Detector  
22KHz  
Oscill.  
ADDR  
DSQIN  
DSQOUT  
November 2002  
1/19  

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