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Low-Dropout, High-Brightness LED Driver
CN5611
General Description:
The CN5611 current regulator operates from a 2.7V
to 6V input voltage range and delivers a constant
current that is up to 500毫安 to a high-brightness LED,
including high-brightness white LED. The output
current of CN5611 can be adjusted from 30mA to
500毫安 by using an external resistor. An on-chip pass
element minimizes external components while
providing ±8% output current accuracy. Additional
features include over temperature protection, LED
short and open protection.
The CN5611 is available in a thermally enhanced
5-pin SOT89 packages.
Applications:
；；； High-Brightness LED Driver
；；； LED Cap-Lamp
；；； Flash Light
；；； Lighting
；；； Handheld Electronics
Features:
；；； Operating Supply Voltage Range: 2.7V to 6V
；；； On-chip Pass Element
；；； Low-Dropout Voltage
；；； Adjustable Output Current up to 500毫安
；；； Output Current Accuracy: ±8%
；；； Over Temperature Protection
；；； LED Open/Short Protection
；；； Operating Temperature Range:
－40℃ to 85℃
；；； Available in 5-pin SOT89
Packages
；；； Pb-free Available
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