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产品型号: HC3287
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The HC3287 is high efficiency, fixed frequency,Buck-Boost LED driver which operates from input voltages above, below or equal to the output voltage. The device is suitable for single lithium-ion, multi-cell alkaline or NiMH applications where the output voltage is within the scope of battery voltage.
The quiescent current is only 500uA, and this feature maximizing the battery life in portable applications.
Other features include thermal shutdown and current limit. The HC3287 is available in the SOP-8/PP package.
Applications
• LED standby light
• Constant current source
• LED flashlight