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电源技术  DN452 汽车应用的电源监视器

&nbsp; The LTC&reg;4151 is a high side power monitor that includesa 12-bit ADC for measuring current and voltage, as wellas the voltage on an auxiliary input. Data is read throughthe widely used I2C interface. An unusual feature in thisdevice is its 7V to 80V operating range, allowing it to cove ...

https://www.eeworm.com/dl/505/24341.html

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电源技术  离线式LED照明简述

&nbsp; As environmental concerns over traditional lighting increaseand the price of LEDs decreases, high power LEDsare fast becoming a popular lighting solution for offl ineapplications. In order to meet the requirements of offl inelighting&mdash;such as high power factor, high effi ciency, isol ...

https://www.eeworm.com/dl/505/24343.html

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电源技术  高电流便携式产品的电池充电器方案

&nbsp; The LTC&reg;4155 and LTC4156 are dual multiplexed-inputbattery chargers with PowerPath&trade; control, featuring I2Cprogrammability and USB On-The-Go for systems suchas tablet PCs and other high power density applications.The LTC4155&rsquo;s float voltage (VFLOAT) range is optimizedfor Li ...

https://www.eeworm.com/dl/505/24346.html

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电源技术  超级电容器备用电源系统的手持设备数据保护

&nbsp; Handheld electronic devices play a key role in our everydaylives. Because dependability is paramount, handhelds arecarefully engineered with lightweight power sources forreliable use under normal conditions. But no amount ofcareful engineering can prevent the mistreatment theywill undergo ...

https://www.eeworm.com/dl/505/24348.html

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电源技术  LTC4099 USB电源管理和电池充电

&nbsp; The LTC&reg;4099 high effi ciency USB power manager andLi-Ion/Polymer battery charger seamlessly managespower distribution from multiple sources in portableapplications. It is differentiated from other USB powermanagers by its bidirectional I2C port that allows the hostmicroprocessor to c ...

https://www.eeworm.com/dl/505/24349.html

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电源技术  超低功率转换器的控制方案消除开关噪声

&nbsp; An essential component of a noise-free audio device isa clean power supply, but few switching regulators canoperate at high efficiency while keeping the switchingfrequency out of the audio band. The LTC&reg;3620 fills thisvoid. It is a high efficiency 15mA buck regulator with aprogrammabl ...

https://www.eeworm.com/dl/505/24351.html

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电源技术  为敏感电路提供过压和电源反接保护

&nbsp; What would happen if someone connected 24V to your12V circuits? If the power and ground lines were inadvertentlyreversed, would the circuits survive? Does yourapplication reside in a harsh environment, where the inputsupply can ring very high or even below ground? Evenif these events are ...

https://www.eeworm.com/dl/505/24355.html

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电源技术  LT1010在电源缓冲区中的应用

&nbsp; A frequent requirement in systems involves drivinganalog signals into non-linear or reactive loads. Cables,transformers, actuators, motors and sample-hold circuitsare examples where the ability to drive diffi cult loads isrequired. Although several power buffer amplifi ers areavailable, n ...

https://www.eeworm.com/dl/505/24364.html

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电源技术  基于FPGA的高度集成DCDC稳压器

&nbsp; In a recent discussion with a system designer, the requirementfor his power supply was to regulate 1.5Vand deliver up to 40A of current to a load that consistedof four FPGAs. This is up to 60W of power that must bedelivered in a small area with the lowest height profi lepossible to allow ...

https://www.eeworm.com/dl/505/24375.html

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电源技术  高效率,高密度,高电流应用的多相转换器

&nbsp; As logic systems get larger and more complex, theirsupply current requirements continue to rise. Systemsrequiring 100A are fairly common. A high current powersupply to meet such requirements usually requires parallelingseveral power regulators to alleviate the thermalstress on the individ ...

https://www.eeworm.com/dl/505/24382.html