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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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