youda integrated circuit YD6651B motor control circuit YD6651B description the YD6651B is an ic designed for the rotating speed co ntrol of a compact dc motor that is used for a tape recorder, record player, etc features . *small four-lead plastic p ackage for compact motor; *fewer external parts; *stable low reference voltage (1.0v typ.), wide motor speed setting *highly stable operation over a wide range of supply voltage and torque supply voltage, vcc=3.5 14.4v; *reverse voltage protection circuit is built-in. block diagram vref com 134 2 gnd vcc 865 7 no. 1 4 5 8 2/3/6/7 symbol gnd con vcc out nc wuxi youda electronics co., ltd add: no.5 xijin road, national hi-tech i ndustrial development zone, wuxi jiangsu china tel: 86-510-85205117 86-510-85205106 fax: 86-510-85205110 website: www.e-youda.com shenzhen office tel 86-755-83740369 fax 86-755-83741418 ver 5.0 1 of 3 2006-07-10 4 .com u datasheet
youda integrated circuit YD6651B absolute maximum ratings (tamb=25 ) parameter symbol value unit supply voltage v cc 14.4 v supply current icc (note1) 2.0 a p d (note 2) 0.6 power dissipation p d (note 3) 1.0 w operating temperature topr -20 +75 storage temperature tstg -40 +150 note 1: t 5 second note 2: no radiator fin note 3: with a 1010mm 2 bakelite printed circuit board electrical characteristics (tamb=25 , vcc=6v unless otherwise specified) parameter symbol test conditions min typ max unit reference voltage vref vcc=6v, r m =1k 0.85 1.0 1.15 v bias current i bias vcc=6v 0.8 1.8 ma current proportional constant k vcc=6v, i 4 =40ma 35 40 45 saturation voltage vsat vcc=4.2v, r m =5.0 1.15 2 v voltage characteristics (1) vcc vref vref vcc=3.5v 14v r m =1k -0.1 %/v voltage characteristics (2) vcc k k vcc=3.5v 14v i 4 =40ma 0.2 %/v current characteristics (1) 4 i vref vref i 4 =50ma 200ma -0.02 %/ma current characteristics (2) 4 i k k i 4 =50ma 200ma -0.01 %/ma temperature characteristics (1) ta vref vref ta=-20 +75 vcc=6v r m =1k 0.01 %/ temperature characteristics (2) ta k k ta=-20 +75 i 4 =40ma 0.01 %/ wuxi youda electronics co., ltd 2 of 3 website: www.e-youda.com 4 .com u datasheet
youda integrated circuit YD6651B application circuit rr < rm40 rr rs + 10 22h vcc m 5 2 8 4 vref com 3 1 6 7 outline drawing wuxi youda electronics co., ltd 3 of 3 website: www.e-youda.com 4 .com u datasheet
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