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LTC3856 pdf,LTC3856 datasheet
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大小:555 |
2008-09-08
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The LTC®3586 is a highly integrated power management
and battery charger IC for Li-Ion/Polymer battery applications.
It includes a high efficiency current limited switching
PowerPath manager with automatic load prioritization, battery
charger, ideal diode, and four synchronous switching
regulators (two bucks, one buck-boost, and one boost).
Designed specifically for USB applications, the LTC3586’s
switching power manager automatically limits input current
to a maximum of either 100mA or 500mA for USB
applications or 1A for adapter-powered applications.
Unlike linear PowerPath controllers, the LTC3586’s switching
input stage transmits nearly all of the 2.5W available
from the USB port to the system load with minimal power
wasted as heat. This feature allows the LTC3586 to provide
more power to the application and eases the constraint of
thermal budgeting in small spaces. The two buck regulators
can provide up to 400mA each, the buck-boost can
deliver 1A, and the boost delivers at least 800mA.
The LTC3586 is available in a low-profi le (0.75mm) 38-pin
4mm × 6mm QFN package.
and battery charger IC for Li-Ion/Polymer battery applications.
It includes a high efficiency current limited switching
PowerPath manager with automatic load prioritization, battery
charger, ideal diode, and four synchronous switching
regulators (two bucks, one buck-boost, and one boost).
Designed specifically for USB applications, the LTC3586’s
switching power manager automatically limits input current
to a maximum of either 100mA or 500mA for USB
applications or 1A for adapter-powered applications.
Unlike linear PowerPath controllers, the LTC3586’s switching
input stage transmits nearly all of the 2.5W available
from the USB port to the system load with minimal power
wasted as heat. This feature allows the LTC3586 to provide
more power to the application and eases the constraint of
thermal budgeting in small spaces. The two buck regulators
can provide up to 400mA each, the buck-boost can
deliver 1A, and the boost delivers at least 800mA.
The LTC3586 is available in a low-profi le (0.75mm) 38-pin
4mm × 6mm QFN package.
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