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LT202A

Sharp Electrionic Components
Part Number LT202A
Manufacturer Sharp Electrionic Components
Description GaAs Hall IC for Fan Motor
Published Mar 22, 2005
Detailed Description Hall IC LT202A LT202A s Features ¡Increasing the efficiency of motor rotation due to cutting the electric current whic...
Datasheet PDF File LT202A PDF File

LT202A
LT202A

Overview
Hall IC LT202A LT202A s Features ¡Increasing the efficiency of motor rotation due to cutting the electric current which doesn't contributing to rotation ¡ Combining a GaAs Hall device and a driver IC in a compact 8-pin SOP package ¡Operation in low magnetic flux density (10mT) due to applied high sensitive Hall device ¡Built-in protection circuit, alarm output and automatic restart circuit s Applications ¡Brushless fan motors 1.
Cooling fan motors for personal computers, word processors, etc.
2.
Directly cooling fan motors for cooling fin, PCB, etc.
3.
Fan motors for air circulation of temperature sensor in air conditioner Y 8-0.
4±0.
1 8 GaAs Hall IC for Fan Motor s Outline Dimensions P 1.
27TYP 5 (Unit : mm) 4.
4±0.
2 6.
5±0.
4 -X 0 1 5.
0±0.
2 4 0.
15±0.
05 - X direction : against package Sensor positioning center -1.
4±0.
2a Y direction : against package center 0.
0±0.
2a Z direction : from package surface 0.
0±0.
2a Terminal connection 1:Input terminal for phase detection 2:Input terminal for phase detection 3:Condenser terminal for rotation detection 4:GND 5:Alarm output 6:Vout 7:Vout 8:Vcc The section of leads (both sides of package in X-direction) is connected with the terminal of internal IC.
Be careful in connecting other circuits.
s Absolute Maximum Ratings Parameter Supply voltage Output voltage Output current (peak) Output current (continuous) Coil input voltage Alarm output sink current Power dissipation Oparating temperature Storage temperature Soldering temperature*1 Symbol VCC VO IOMAX IO VIN ISINK PD Topr Tstg Tsol Conditions Rating 30 55 750 450 250 150 -0.
2 to 0.
2 5 400 -20 to +80 -55 to +150 260 (Ta=25˚C) Unit V V mA mA mA mA V mA mW ˚C ˚C ˚C VCC=12V VCC=24V VCC=12V VCC=24V *1 Soldering time : within 10 seconds s Electrical Characteristics Parameter Output saturation voltage Output cut-off current Operating supply voltage Supply current Operating magnetic flux density Coil input sensitivity Alarm output saturation voltage Alarm output leakage curr...


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