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参数资料
| 型号： | LNBK20D2 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 7/14页 |
| 文件大小： | 467K |
| 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
and
OLF.
The
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 ton=1/15toff (typ.) and OLF goes in HIGH
IMPEDANCE. If the overload is still present, the
protection circuit will cycle again through toff and
ton until the overload is removed. Typical ton+toff
value is 1200ms when a 4.7
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 in Multiwatt15 for
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
have
built-in
thermal
protection against overheating damage.
(*): 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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相关代理商/技术参数 |
参数描述 |
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| LNBK20D2-TR | 功能描述:线性稳压器 - 标准 LNB SUPPLY AND CONTROL Vltg REG RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| LNBK20PD | 功能描述:IC LNB SUPPLY & CNTRL 20-PWRSOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 专用 系列:- 标准包装:3,000 系列:- 应用:PDA，便携式音频/视频，智能电话 接口:I²C，2 线串口 电源电压:1.65 V ~ 3.6 V 封装/外壳:24-WQFN 裸露焊盘 供应商设备封装:24-QFN 裸露焊盘（4x4） 包装:带卷 (TR) 安装类型:表面贴装 产品目录页面:1015 (CN2011-ZH PDF) 其它名称:296-25223-2 |
| LNBK20PD-TR | 功能描述:线性稳压器 - 标准 VOLTAGE REGULATOR RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| LNBP10 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:LNB SUPPLY AND CONTROL VOLTAGE REGULATOR PARALLEL INTERFACE |
| LNBP10LPUR | 功能描述:线性稳压器 - 标准 LNB SUP/CTRL VLT REG RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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