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2、 18, 2012TitleSizeDocument NumberRevDate:SheetofU1IC123456NCGNDNCCTLBYPASSVINBT3.6V锂电C1 1uFC2 1uF3WS1S1SW SPSTC1 1uFU1IC123456NCGNDNCCTLBYPASSVIN3WBT3.6V锂电RsRs3W LED Driver Rev 1.3 Mar.2011 Description The AD5103S is a high efficiency, 3W LED Driver. It required few external components for operation
3、 to save the board space and cost. Operating from one cell Li+ battery, the AD5103S is capable of driving 3W LED. The AD5103S features br ightness adjusting and flashing functions. The AD5103S is available in SOT23-6 PB-Free package. Features 3 Modes Brightness Adjusting 100% 25% Flashing Supply Vol
4、tage: 2.5V to 5V Ultra-low Quiescent Current: 20uAHigh Efficiency up to 98% Thermal Protection 140 C ESD Protection OVER 8000V Applications LED Torch LED Flash Typical Application Pin Descriptions Name Pin No.Descriptions 1,3 NC No connect2 GND Ground 4 OUT To LED output 5 BYPASS To bypass cap 6 VDD
5、 To power supply Ordering Information AD5103S Order Number Package Type Packing AD5103S SOT23-6 Reel Tape Sales:137288667963W LED Driver Rev 1.3 Mar.2011 Typical Operating CharacteristicsTa=25C with 3W LED loadQuiescent Current VS Operating VoltageVDDVEfficiency VS Operating VoltageVDDVAD5103S Sales
6、:13728866796P PACKAGE INFORMATIONACKAGE INFORMATION(1) SOT-26Dimension ( in mm)Dimension ( in Inch)Symbol minmaxminmaxA0.7871.4500.0310.057A10.1520.006B1.3971.8030.0550.071b0.2500.5590.0100.022C2.5912.9970.1020.118D2.6923.0990.1060.122e0.8381.0410.0330.041H0.0800.2540.0030.010L0.3000.6100.0120.0243W LED Driver ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?/?Sales:13728866796AD5103SRev 1.3 Mar.2011 33
