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    | Partname: | LM3552SDX |  
    | Description: | 1A White LED Driver with Flash Timeout Protection |     
    | Manufacturer: | National Semiconductor |  
    | Datasheet: | PDF (756K). Click here to download *) |  
    The LM3551 and LM3552 are fixed frequency, current mode step-up DC/DC converters with two integrated NFETs that can be used for precision LED brightness control. The devices are capable of driving loads up to 1A from a single-cell Li-Ion battery.  |  
    
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    Click here to download LM3552SDX Datasheet*) | 
  
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