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发布者:微桥FP7201 发布时间:2010/1/14 阅读: 10886次
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FP7201 LED |
FP7201-Constant Current Switching for White LED |
FP7201 Constant Current Switching Regulator for White LED IC |
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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.
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Features |
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˙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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