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电源技术  使用H桥变压器驱动器,充电超级电容器

Abstract: With its small size and large load (10W) capability, the MAX13256 H-bridge transformer driver is an attractive solution forcharging supercapacitors (supercaps). However, a large capacitance on the output of the circuit can force the driver into fault modeat startup, due to the high initi ...

https://www.eeworm.com/dl/505/24044.html

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电源技术  FP6291

DC/DC 升压IC：The FP6291 is a current mode boost DC-DC converter. Its PWM circuitry with built-in 0.25 &Omega; power MOSFET make this regulator highly power efficient. The internal compensation network also minimizes as much as 6 external component counts. The non-inverting input of error amplif ...

https://www.eeworm.com/dl/505/24298.html

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电源技术  DN1014同步降压型控制器在汽车应用中的电池寿命延长

&nbsp; Battery powered applications that have a signifi cantamount of time in standby mode, require electrical circuitsto operate with a low quiescent current to preserve batterylife. The LTC3835 synchronous step-down controlleris an excellent solution with its ultralow quiescent current(80&mu;A ...

https://www.eeworm.com/dl/505/24311.html

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电源技术  高功率PoE PD接口与集成反激式控制器

&nbsp; To this day, Power over Ethernet (PoE) continues to gainpopularity in today&rsquo;s networking world. The 12.95Wdelivered to the Powered Device (PD) input supplied bythe Power Sourcing Equipment (PSE) is a universal supply.Each PD provides its own DC/DC conversion from anominal 48V supply ...

https://www.eeworm.com/dl/505/24317.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  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  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  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  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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