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LNBH24LQTR PDF预览

LNBH24LQTR

更新时间: 2024-11-24 13:09:27
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
30页 447K
描述
Dual LNBS supply and control IC with step-up and I<sup>2</sup>C interface

LNBH24LQTR 技术参数

是否Rohs认证:符合生命周期:Active
零件包装代码:QFN包装说明:HVQCCN, LCC32,.2SQ,20
针数:32Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:10 weeks风险等级:1.68
Is Samacsys:N可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码:S-XQCC-N32
JESD-609代码:e3长度:5 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:32
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC32,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
电源:12 V认证状态:Not Qualified
座面最大高度:1 mm子类别:Power Management Circuits
最大供电电流 (Isup):70 mA最大供电电压 (Vsup):15 V
最小供电电压 (Vsup):8 V标称供电电压 (Vsup):12 V
表面贴装:YES端子面层:Matte Tin (Sn) - annealed
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:5 mmBase Number Matches:1

LNBH24LQTR 数据手册

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LNBH24  
Dual LNB supply and control IC with step-up and I2C interface  
Features  
Complete interface between LNBS and I²C bus  
Built-in DC-DC converter for single 12 V supply  
operation and high efficiency (typ. 93%@0.5 A)  
Selectable output current limit through external  
resistor  
Compliant with main satellite receivers output  
voltage specification  
PowerSSO-36 (ePad)  
New accurate built-in 22 kHz tone generator  
meets widely accepted standards (patent  
pending)  
Fast oscillator start-up facilitates DiSEqC  
monolithic voltage regulator and interface IC,  
assembled in PowerSSO-36 ePad, specifically  
designed to provide the 13/18 V power supply and  
the 22 kHz tone signalling for two independent  
LNB down-converters in the antenna dishes  
and/or multi-switch box. In this application field, it  
offers a dual tuner STBs with extremely low  
component count, low power dissipation together  
encoding  
Built-in 22 kHz tone detector supports bi-  
directional DiSEqC 2.0  
Very low-drop post regulator and high  
efficiency step-up PWM with integrated power  
N-MOS allow low power losses  
2
with simple design and I C standard interfacing.  
Two output pins suitable for bypassing the  
output R-L filter and avoiding tone distortion (R-  
L filter as per DiSEqC 2.0 specs, see typ.  
application circuits)  
Overload and over-temperature internal  
protections with I²C diagnostic bits  
Output voltage and output current level  
diagnostic feedback by I²C bits  
LNB short circuit dynamic protection  
+/- 4 kV ESD tolerant on output power pins  
Description  
Intended for analog and digital DUAL Satellite  
receivers/Sat-TV, sat-PC cards, the LNBH24 is a  
Table 1.  
Device summary  
Order code  
Package  
Packaging  
LNBH24PPR  
PowerSSO-36 (Exposed pad)  
Tape and reel  
February 2008  
Rev 1  
1/30  
www.st.com  
30  

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