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发布者:微桥FP7201 发布时间:2010-1-14 阅读:5277次    关键字: FP7201 LED
FP7201-Constant Current Switching for White LED


FP7201   Constant Current Switching Regulator for White LED IC
General Description
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    The FP7201 is a Boost DC-DC converter specifically designed to drive White LEDs with constant current. The device can support 2 to 5 White LEDs for backlighting and camera flashing. Provides a highly efficient regulator and internal compensation network minimizes as 5 external component counts. Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. The non-inverting input of error amplifier connects to a 0.25V precision reference voltage and internal soft-start function can reduce the inrush current.
    The FP7201 is available in the TSOT23-6L package and provides space-saving PCB for the application fields.

 

Features
˙Precision Feedback Reference Voltage: 0.25V (4%)
˙Under Voltage Lockout Protection
˙Over Voltage Protection
˙Over Temperature Protection
˙Wide Frequency Range and Dimming with Zero-Inrush
˙Internal Soft-Start
˙Zero Shutdown Current
˙Adjustable Output up to 20V
˙Package: TSOT23-6L 
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