初中数学 二次函数与三角形存在性
13 中考压轴题满分集训营【代数 3 代几综合专题】 已知两定点找第三点的等腰三角形的存在性(两圆一线) 两圆:分别以两定点为圆心,两定点的距离为半径作两圆(理论依据:圆的半 径相等) 一线:作两定点
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13 中考压轴题满分集训营【代数 3 代几综合专题】 已知两定点找第三点的等腰三角形的存在性(两圆一线) 两圆:分别以两定点为圆心,两定点的距离为半径作两圆(理论依据:圆的半 径相等) 一线:作两定点
Features Low voltage drop: 0.17V@100mA High input voltage: 15V Low temperature coefficient Large Output Current: >0.35A Low Quiescent Current: 1.0uA Output voltage accuracy: tolerance ±2% Built-in current limiter SOT89 and SOT23-3 package
Features Low power consumption Low voltage drop Low temperature coefficient High input voltage (up to 18V) Output voltage accuracy: tolerance ±2% TO92, SOT89, SOT23-3 and SOT23 packageApplications Battery-powered equipment Communication equipment Audio/Video equipment
Features Low power consumption Low voltage drop Low temperature coefficient High input voltage (up to 18V) Output voltage accuracy: tolerance ±2% TO92, SOT89 ,SOT23-3and SOT23 packageApplications Battery-powered equipment Communication equipment Audio/Video equipment
Features Low power consumption:25uA (Typ.) Low voltage drop:0.2V@100mA(Typ.) Low output noise(27uVRMS) Standby Mode: 0.1uA Low temperature coefficient Output Voltage Range: 0.9V~5V Good line Regulation:0.05%/V High Ripple Rejection: 70dB@1kHz(Typ.) High input voltage (up to 7V) Output voltage accuracy: tolerance ±2% Build-in Enable/Output Current Limit circuit
doi :10 .3969/ j . issn .1673 -5013 .2012 .04 .017 微 柱 凝胶 法交 叉配 血不 合原 因分 析 宋雪珍1 宋雪梅2 孙凌云1 任小宁1
Features Low power consumption Low temperature coefficient Built-in hysteresis characteristic High input voltage (up to 15V) Output voltage accuracy: tolerance ±2% TO92, SOT89 SOT23-3 and SOT23 package
合作开发 怎样搭建移动学习平台---战略选择 1 2 3 4 6 平台优劣势 平台框架/功能 信息安全管理 团队营运能力 团队研发实力 怎样搭建移动学习平台---战略选择 5 平台特点 7 合作费用 怎样搭建的移动学习平台---内容开发原则
Features 2V to 24V Input Voltage Up to 28V Output Voltage Integrated 80mΩ Power MOSFET 1.2MHz Fixed Switching Frequency Internal 4A Switch Current Limit Internal Compensation Thermal Shutdown Output Adjustable from 0.6V Available in a 6-pin SOT-23 package
Features Low power consumption Low temperature coefficient Built-in hysteresis characteristic High input voltage (up to 10V) Output voltage accuracy: tolerance ±1% or ±2% TO92, SOT89, SOT23-3 ,SOT23 and SOT23-5package
Low power consumption Low voltage drop Low temperature coefficient Low Quiescent Current: 1.5uA at 6V Output voltage accuracy: tolerance ±2%Applications Battery-powered equipment Reference voltage sources Cameras,video cameras Portable AV systems Mobile phones Portable games
Features Low power consumption Low voltage drop Low temperature coefficient High input voltage (up to 32V) Output voltage accuracy: tolerance ±2% TO92 and SOT89 packageApplications Battery-powered equipment Communication equipment Audio/Video equipment
Features External parts: Coil, capacitor Output voltage: Settable to between2.1V to 5.5V in 0.1V steps Maximum Oscillationfrequency :300KHz Accuracy of ±2% High efficiency :95% Package:SOT23,SOT23-3,SOT23-5,SOT89and TO92
月 1 日发布 2018 年 9 月 1 日实施 CNAS-CL01-A001 检测和校准实验室能力认可准则 在微生物检测领域的应用说明 Guidance on the application of testing
Features Wide 3.3V to 16V Operating input Range 2A Continuous Output Current No Schottky Diode Required 600KHz Frequency Operation Built-in Over Current Limit Built-in Over Voltage Protection Internal Soft start Output Adjustable from 0.6V Integrated internal compensation Short Protection with Hiccup-Mode Thermal Shutdown Available in SOT23-6 ,Package -40℃ to +85℃ Temperature Range
Features Quiescent Current: 4.2uA@12V PSRR:60dB@100Hz Voltage drop:600mV@100mA ESD HBM:8KV High input voltage (up to 40V) Output voltage accuracy: tolerance ±2% Output current:100mA(Typ.) TO92 and SOT89 package
Features Low power consumption Low voltage drop Low temperature coefficient Low Quiescent Current: 5uA at 6V Output voltage accuracy: tolerance ±2%Applications Battery-powered equipment Reference voltage sources Cameras,video cameras Portable AV systems Mobile phones Portable games
Features Low voltage drop: 0.17V@100mA High input voltage: 15V Low temperature coefficient Large Output Current: >0.5A Low Quiescent Current: 1.0uA Output voltage accuracy: tolerance ±2% Built-in current limiter SOT89,SOT89-5,SOT23-3 and SOT23-5packagesApplications Battery-powered equipment Hand-Hold Equipment GRS Receivers Wireless LAN
长沙微领地网络科技有限公司 从 VR 店铺的上线看微领地小蜜市场前景 新电商时代的到来,以 VR、AR 为代表的不少新科技被融入进电 商平台的发展之中。个人流量平台微领地小蜜,就结合时下较为流行 的 VR
25. 2016 1 单片具有热调节功能的微型线性电池管理芯片 ■ 产品概述 HE4054B 是一个完善的单片锂离子电池恒流/恒压线形 电源管理芯片。它薄的尺寸和小的外包装使它便于便携应 用。更值得一提的是,HE4054B