specifications of any and all sanyo semiconductor co.,l td. 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 ' sproductsor 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 el ectronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. d0110 sy b8-4975 no.a1889-1/4 LB11668M overview the LB11668M is a two-phase uni-polar brushless motor driver for fan motor. functions ? two-phase half-wave drive. ? lock protection and automatic return function incorporated. ? rd (lock detection) outputs incorporated. ? output protection zener diode incorporated. ? fg (rotation detection) outputs incorporated. ? hall input amplifier incorporated. ? thermal shutdown circuit incorporated. specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum inflow current i in max 100 ma i out ave 400 ma output current i out peak 800 ma output withstand voltage v out max internal v rd output current i rd max 10 ma rd output withstand voltage v rd max 28 v allowable power dissipation pd max mounted on a board * 800 mw operating temperature topr -30 to +85 c storage temperature tstg -55 to +150 c * specified board : 114.3mm 76.1mm 1.6mm, glass epoxy board. monolithic digital ic for fan motor two-phase half-wave driver orderin g numbe r : ena1889
LB11668M no.a1889-2/4 recommended operating conditions at ta = 25 c parameter symbol conditions ratings unit inflow current range i in 5 to 25 ma common-mode input voltage range vcom 0.2 to v in -2.3 v electrical characteristics at ta = 25 c, v cc =24v, r1=1k , ? ? unless otherwise specified. ratings parameter symbol conditions min typ max unit v in voltage v in i in = 6ma 6.9 7.2 7.6 v ct capacitor charging current i ct 1 ct = 0v 0.8 1.2 2.0 a ct capacitor dis-charging current i ct 2 ct = 6.0v 0.12 0.24 0.4 a capacitor charging / dis-charging current ratio r ct r ct = i ct 1 / i ct 2 4.0 5.0 7.0 ct charging voltage v ct h v ct / v in 66 70 74 % ct dis-charging voltage v ct l v ct / v in 36 40 44 % output limit withstand voltage v o lm i o = 10ma 50 53 56 v output saturation voltage v o l1 i o = 200ma 0.85 1.1 v hall input sensitivity v hn including offset and hysteresis 8 18 mv rd output saturation voltage v fg/rd i rd = 5ma 0.2 0.5 v rd output leak current i fg l /rd l v rd = 14v 0.1 10 a thermal protection function operating temperature tsd design target value * 150 180 210 c * design target value and is not measured. package dimensions unit : mm (typ) 3086b sanyo : mfp10s(225mil) 1 10 5 6 (0.5) 1.7max 1.0 0.35 5.0 0.15 6.4 (1.5) 0.1 4.4 0.63 pd max -- ta ambient temperature, ta ? c allowable power dissipation, pd max ? mw 0 800 600 400 200 1000 ? 30 ? 20 80 85 60 20 40 010 0 416 specified board : 114.3 76.1 1.6mm 3 glass epoxy
LB11668M no.a1889-3/4 pin assignment top view 1 2 3 4 5 10 9 8 7 6 LB11668M rd in - in + ct v in out1 nc out2 gnd nc block diagram v in ct hall in + in - out2 out1 r1 v cc gnd l1 l2 rd thermal protection control block constant current circuit truth table in - in + ct out1 out2 rd mode h l l h l l h l h l l rotation - - h off off h lock protection
LB11668M ps no.a1889-4/4 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed 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 f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,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 conc erned 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 in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. application circuit example 24v power supply v in in - in + ct gnd out2 out1 rd h v cc substrate parts notice ? take care not to cause interf erence due to wiring of in - and out1. ? in application of connecting the ct pin to gnd, lock protection and restart function are not effective. ? if the current value is about 500ma or less, ic cannot be destroyed though the current limited to gnd out coil power supply by the coil resistance flows in the revers e-connection of power supply- gnd by the above figure application. di is put between vcc and the coil if there is a necessity. this catalog provides information as of december, 2010. specifications and inform ation herein are subject to change without notice.
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