52312 sy 20120514-s00001 no.a2060-1/4 http://onsemi.com semiconductor components industries, llc, 2013 june, 2013 LB1935FA overview LB1935FA is ic with forward/reverse motor drive 2-channel in which low saturation voltage and low voltage operation possible. its small sized package is optimal for 2 phase excitation drive of 2 ph ase bipolar stepping motors for various portable devices such as digital still cameras. features ? low saturation voltage, v o (sat) = 0.3v typ at i o = 150ma ? built-in shoot-through current protection circuit ? no standby current consumption (or zero) ? built-in thermal shutdown circuit ? micro10 small-sized package absolute maximum ratings at ta = 25c parameter symbol conditions ratings unit maximum power source voltage v cc max -0.3 to +8.0 v applied output voltage v out max out1, out2, out3, out4 pin v cc +vsf v applied input voltage v in max ena, in1, in2 pin -0.3 to +8.0 v gnd pin outflow current i gnd per channel 400 ma allowable power dissipation pd max with substrate* 400 mw operating temperature topr -20 to +75 c storage temperature tstg -40 to +150 c * specified substrate: 20.0mm 10.0mm 0.8mm, paper phenol caution 1) absolute maximum ratings represent the va lue which cannot be exceeded for any length of time. caution 2) even when the device is used within the range of absolu te maximum ratings, as a result of continuous usage under hig h temperature, high current, high voltage, or drastic temperature change, the reli ability of the ic may be degraded. please contact us for the furt her details. monolithic digital ic stepping motor driver ic orderin g numbe r : ena2060 stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended oper ating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliabili ty.
LB1935FA no.a2060-2/4 allowable operating range at ta = 25 c parameter symbol conditions ratings unit source voltage v cc 2.2 to 7.5 v input high level voltage v ih ena, in1, in2 pin 1.8 to 7.5 v input low level voltage v il ena, in1, in2 pin -0.3 to +0.7 v electric characteristics at ta = 25 c, v cc = 3.3v ratings parameter symbol conditions min typ max unit i cc 0 ena = 0v, v in = 3v or 0v 0.1 1 a power source current i cc 1 ena = 3v, v in = 3v or 0v 13 19 ma v out 1 ena = 3v, v in = 3v or 0v, i out = 100ma 0.2 0.3 v output saturation voltage v out 2 ena = 3v, v in = 3v or 0v, i out = 200ma 0.4 0.6 v i in v in = 3v 40 60 a input current iena vena = 3v 40 60 a spark killer diode reverse current is(leak) 1 a forward voltage vsf i out = 200ma 1.7 v package dimensions unit : mm (typ) 3428 pin assignments sanyo : micro10 3.0 0.25 0.16 0.5 4.9 1.03 0.1 3.0 0.55 1 10 2 0 pd max -- ta -20 500 300 400 100 200 20 0 40 60 80 100 ambient temperature, ta -- c specified substrate : 20.0 10.0 0.8mm 3 peper phenol allowable power dissipation, pd max -- mw 240 v cc in2 1 10 2 3 4 56 7 8 9 top view LB1935FA in1 ena (nc) out4 out1 out3 out2 gnd
LB1935FA no.a2060-3/4 block diagram truth table input output ena in1 in2 out1 out2 out3 out4 remarks l - - off off off off standby l l h l h l l h h l l h h h l h l h h h l l h h l 2-phase excitation
LB1935FA no.a2060-4/4 timing chart timing chart below shows the 2 phase excitation stepping motor. out1 out2 out3 out4 ena in1 in2 on semiconductor and the on logo are registered trademarks of semiconductor components industries, llc (scillc). scillc owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. a listing of scillc?s product/patent coverage may be accessed at www.onsemi.com/site/pdf/patent-marking.pdf. scillc reserves the right to make changes without further notice to any products herein. scillc mak es no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability ar ising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequentia l or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s techn ical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorize d for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other appli cation in which the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of persona l injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture o fthe part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws a nd is not for resale in any manner. ps
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