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电源技术  手持式高功率电池充电器

&nbsp; As the performance of many handheld devices approachesthat of laptop computers, design complexity also increases.Chief among them is thermal management&mdash;how doyou meet increasing performance demands while keepinga compact and small product cool in the user&rsquo;s hand?For instance, ...

https://www.eeworm.com/dl/505/24314.html

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电源技术  使用5V电源的高分辨率视频解决方案

&nbsp; Video cable driver amplifi er output stages traditionallyrequire a supply voltage of at least 6V in order to providethe required output swing. This requirement is usuallymet with 5V supplies by adding a boost regulator or asmall local negative rail, say via the popular LT&reg;1983-3.Such ...

https://www.eeworm.com/dl/505/24316.html

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电源技术  DN442 I2C可控降压紧凑型同步DC/DC稳压器

&nbsp; The LTC&reg;3562 quad output step-down regulator is designedfor multicore handheld microprocessor applications thatoperate from a single Li-Ion battery. Its four monolithic, higheffi ciency buck regulators support Intel&rsquo;s mobile CPU P-Stateand C-State energy saving operating modes. ...

https://www.eeworm.com/dl/505/24325.html

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电源技术  DN436微型全桥压电马达驱动器

&nbsp; Piezoelectric motors are used in digital cameras for autofocus,zooming and optical image stabilization. Theyare relatively small, lightweight and effi cient, but theyalso require a complicated driving scheme. Traditionally,this challenge has been met with the use ofseparatecircuits, inclu ...

https://www.eeworm.com/dl/505/24328.html

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电源技术  三降压稳压器功能的1-Wire动态可编程输出电压

&nbsp; The LTC&reg;3569 is a compact power solution for handhelddevices. Its tiny 3mm &times; 3mm QFN package includesthree buck regulators with individually programmableoutput voltages. One regulator supports load currentsup to 1200mA, while the other two support currents to600mA. Two regulator ...

https://www.eeworm.com/dl/505/24330.html

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电源技术  DN464 高效率USB电源管理系统

&nbsp; Automotive power systems are unforgiving electronicenvironments. Transients to 90V can occur when thenominal voltage range is 10V to 15V (ISO7637), along withbattery reversal in some cases. It&rsquo;s fairly straightforwardto build automotive electronics around this system, butincreasingl ...

https://www.eeworm.com/dl/505/24333.html

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电源技术  DN460双输出降压稳压器优化效率

&nbsp; The LTC3546 is a dual output current mode buck regulatorwith fl exible output current partitioning. Beyondthe advantages normally associated with dual outputregulators (reduced size, cost, EMI and part count, withimproved effi ciency), the LTC3546&rsquo;s outputs can bepartitioned for eit ...

https://www.eeworm.com/dl/505/24336.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  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  电压基准的理解和应用

&nbsp; Specifying the right reference and applying it correctly isa more difficult task than one might first surmise, consideringthat references are only 2- or 3-terminal devices.Although the word &ldquo;accuracy&rdquo; is most often spoken inreference to references, it is dangerous to use this ...

https://www.eeworm.com/dl/505/24360.html

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