specifications of any and all sanyo semiconductor co.,ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' s products or equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment. the products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for new introduction or other application different from current conditions on the usage of automotive device, communication device, office equipment, industrial equipment etc. , please consult with us about usage conditi on (temperature, operation time etc.) prior to the intended use. if there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. 52312 sy 20120514-s00001 no.a2060-1/4 LB1935FA overview LB1935FA is ic with forward/reverse motor drive 2-channe l in which low saturation voltage and low voltage operation possible. its small sized package is optimal for 2 phase excitation drive of 2 phase 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 reliability of th e ic may be degraded. please contact us for the further detai ls. monolithic digital ic stepping motor driver ic orderin g numbe r : ena2060
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 parameter symbol conditions ratings unit min typ max power source current i cc 0 ena = 0v, v in = 3v or 0v 0.1 1 a i cc 1 ena = 3v, v in = 3v or 0v 13 19 ma output saturation voltage v out 1 ena = 3v, v in = 3v or 0v, i out = 100ma 0.2 0.3 v v out 2 ena = 3v, v in = 3v or 0v, i out = 200ma 0.4 0.6 v input current i in v in = 3v 40 60 a 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 remarks ena in1 in2 out1 out2 out3 out4 l - - off off off off standby h l l h l h l 2-phase excitation l h h l l h h h l h l h h l l h h l
LB1935FA no.a2060-4/4 timing chart timing chart below shows the 2 phase excitation stepping motor. this catalog provides information as of may, 2012. specifications and inform ation herein are subject to change without notice. out1 out2 out3 out4 ena in1 in2 sanyo semiconductor co.,ltd. 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 specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. regarding monolithic semiconductors, if you should intend to use this ic continuously under high temperature, high current, high voltage, or drastic temperature change, even if it is used within the range of absolute maximum ratings or operating conditions, there is a possibility of decrease reliability. please contact us for a confirmation. sanyo semiconductor co.,ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. it is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. in the event that any or all sanyo semiconductor co.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equ ipment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable for any claim or suits with regard to a third party's intellectual property rights which has resulted from the use of the technical information and products mentioned above.
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