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* minimum startup voltage 1.0V supply by one or two battery cells low number of external components battery deep discharge protection Applications .

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* LED torches LCD panel backlighting home lighting toys Typical Application Circuit Pin Descript.

PR4404 SW Vout Vcc Vs Pin No 1 2 3 4 5 6 7 8 Pin Name SW Vout Vcc Vs Hold Gnd (A) Gnd (sub) Gnd (S) Pin Function Description driver output output voltage, rectified battery supply input LED cathode / current sense resistor shutdown ground (analog).

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