unisonic technologies co., ltd sk8552 linear integrated circuit www.unisonic.com.tw 1 of 5 copyright ? 2007 unisonic technologies co., ltd qw-r118-006,b low voltage operation hall ic ? description sk8552 is a semiconductor integrated circuit utilizing the hall effect. it has been so designed as to operate in the alternating magnetic field especially at low supply voltage and operation over extended temperature ranges to +125 .this hall ic is suitable
for application to various kinds of sensors, contact-less switches, and the like. ? features * wide supply voltage range of 3v to 20v * wide temperature operation range of -20 ~+125
* ttl and mos ic are directly drivable by the output * the life is semipermanent because it employs contactless parts * sip-3 , sot-25 package * equipped with an output pull-up resistor ( typical 20k ? ) ? application * position sensor * contact-less sensor * detection of cover (open/close) *pb-free plating product number: sk8552l ? ordering information ordering number pin assignment normal lead free plating package 1 2 3 4 5 packing sk8552-af5-r sk8552l-af5-r sot-25 g g o i n tape reel sk8552-g03-b sk8552l-g03-b sip-3 i g o - - tape box SK8552-G03-K sk8552l-g03-k sip-3 i g o - - bulk note: pin assignment: i:v cc o:v out g:gnd n: no connection
sk8552 linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r118-006,b ? marking ? block diagram regulator control block vcc gnd hall sensor block output
sk8552 linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r118-006,b ? absolute maximum ratings (ta = 25
) parameter symbol ratings unit supply voltage v cc 3~20 v supply current i cc 10 ma output current i out 10 ma sip 400 mw power dissipation sot p d 200 mw junction temperature t j +125 c operating temperature t opr -20~ +125 c storage temperature t stg -55~+150 c note 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only an d functional device operat ion is not implied. 2. the device is guaranteed to meet performance specification within 0 ~+70 operating temperature range and assured by design from -20 ~+125 . ? electrical characteristics (ta = 25
) parameter symbol conditions min typ max unit output voltage sh v ohs v cc =3v,i out =-10a,b=100g 2.8 3 v output voltage nh v ohn v cc =3v,i out =-10a,b=-100g 2.8 3 v output voltage sl v ols v cc =3v, i out =1ma,b=5g 0.7 v output voltage nl v oln v cc =3v, i out =1ma,b=-5g 0.7 v output current 1 i ohs v cc =3v,v out =3v , b=100g 10 ma output current 2 i ohn v cc =3v,v out =3v , b=-100g 10 ma supply current i cc v cc =3v, b=5g 5 ma t r 5 s output switching time t f 1 s magnetic characteristics (over operating supply voltage range) operating magnetic flux density bhls v cc =3v -20 g operating magnetic flux density bhln v cc =3v 20 g operating magnetic flux density blhs v cc =3v -100 g operating magnetic flux density blhn v cc =3v 100 g
sk8552 linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r118-006,b ? package information sip-3 4.1 mm 0.95 mm 2.01 mm 3.0 mm sot-25 0.385 mm 1.00 mm fig. 1 sensor locations fig. 2 operating magnetic flux density
sk8552 linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r118-006,b ? typical application circuit utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expec ted to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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