LT205A SHARP | Alldatasheet
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n Electrical Characteristics (Ta=25˚C) Operating supply voltage Output current Output saturation voltage Output cut-off current Operating magnetic flux density Symbol V CC IOUT V OUT IOC B 1 Conditions V CC =12V, IO =0.5A V O =55V MIN. -10 TYP. MAX. (0.5) (1.5) Unit V A V µA mT Parameter B 2 - - 10 mT n Outline Dimentions (Unit : Fmm) GaAs Hall IC for Fan Motor with Variable Speed by Temperature n Block diagram 205 S Y 12 7 0.8 5.0 0.15 4.4 6.5 (5.05) 0.35 0.7 0.6 1 : C+ 2 : C- 3 : NC 4 : C EXT 5 : NC 6 : GND 7 : ALOUT 8 : OUT2 9 : OUT1 10 : GND2 11 : VCC 12 : VREG Terminal connection 4 6 7 REG V CC V CC C EXT Hall IC in the dotted line Hall device Temperature control circuit Output time control Lock/automatic reset Rotation detection circuit Thermistor GND 1 A LOUT GND 2 O UT1 O UT2 V REG Fan Motor 0.1µF Regulator n Applications \ Brushless fan motor \ Cooling fan motor for personal computers,word processors, etc. \ Directly cooling fan for cooling fin, PCB, etc. n Motor drive current vs. temperature (Example) Output current 25˚C(*1) 45˚C(*2) Thermistor ambient temperature*1,*2 Set at random 100% 50% As for dimensions of tape-packaged products, refer to page 44 . Hall IC LT205A (under development) n Features \ Space saving mounting due to combining a Hall device and a driver IC in a small 12-pin SOP package \ Wind control depending on calorific value \ Low noise \ With automatic reset and alarm output function when a motor is locked \ Surface mount type (Taping: 1,000 pcs/reel) In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device spcification sheets before using any SHARP device.