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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 1.2A to a high-brightness LED,
including high-brightness white LED. The output
current of CN5611 can be adjusted from 30mA to
1.2A 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 and 5 pin TO252 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 1.2A
；；；；； Output Current Accuracy: ±8%
；；；；； Over Temperature Protection
；；；；； LED Open/Short Protection
；；；；； Operating Temperature Range:
－40℃ to 85℃
；；；；； Available in 5-pin SOT89 and TO252
Packages
；；；；； Pb-free Available
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