specifications of any and all sanyo semiconductor co.,l td. products described or contained herein stipulate the performance, characteristics, and functions of t he 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 electronics equipment (home appliances, av equipment, communication device, office equipment, industrial equi pment 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, transportation mach ine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly t hreaten 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 app lications outside the standard applications of our customer who is considering such use and/or outside th e scope of our intended standar d 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. 52307 ms im / 32207 ti pc b8-5935 no.8795-1/5 LB11964T overview the LB11964T is a single-phase bipolar drive fan motor driver. features ? single-phase full-wave drive ? built-in regeneration circuit allows the use of reverse connection prevention diodes ? built-in thermal shutdown circuit specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum output voltage v cc max 15 v maximum output current i out max 0.5 a maximum output voltage v out max 15 v fg pin maximum output voltage vr max 15 v fg maximum output current ir max 5 ma allowable power dissipation pd max when mounted on a circuit board * 400 mw operating temperature range topr -30 to +85 c storage temperature range tstg -55 to +150 c * specified circuit board : 20.0 10.0 0.8mm 3 , paper phenol, wiring density: 20%. monolithic digital ic single-phase full-wave fan motor driver orderin g numbe r : en8795b
LB11964T no.8795-2/5 allowable operating ranges at ta = 25 c parameter symbol conditions ratings unit supply voltage v cc 3.5 to 13.8 v hall sensor input common-mode input voltage range vicm 0.2 to v cc ? 1.5 v electrical characteristics unless otherwise specified ta = 25 c, v cc = 5v ratings parameter symbol conditions min typ max unit drive mode (ct = l) 9.0 14 ma circuit current i cc lock protection mode (ct = h) 3.0 5.0 ma lock detection capacitor charge current ict1 vct = 0.2v 1.1 1.8 2.6 a capacitor discharge current ict2 vct = 3.2v 0.15 0.25 0.40 a capacitor charge/discharge current ratio rct rcd = ict1/ict2 5.0 7.0 9.0 - ct charge current vc1 2.6 2.9 3.2 v ct discharge current vc2 1.5 1.8 2.1 v output low-level voltage v ol i o = 200ma 0.2 0.3 v output high-level voltage v oh i o = 200ma 3.9 4.1 v hall sensor input sensitivity vhn zero peak value (including offset and hysteresis) 7 15 mv fg output pin low-level volt age vrd ird = 5ma 0.1 0.3 v fg output pin leakage current irdl vrd = 7v 30 a thermal shutdown operating temperature tsd design target value* 150 180 210 c * the design specification items are design guarantees and are not measured. package dimensions unit : mm (typ) 3245b 0 500 300 100 200 400 600 ? 20 120 80 60 20 40 0 100 208 ambient temperature, ta ? c allowable power dissipation, pd max ?mw pd max ? ta specified circuit board* sanyo : msop8(150mil) 3.0 1.1max 3.0 0.5 4.9 12 8 0.25 0.65 (0.53) (0.85) 0.125 0.08
LB11964T no.8795-3/5 truth table in+ in- ct out1 out2 fg mode high low low low high off low high low high low low when the motor is turning (*1) - - high off off off during lock protection operation (*2) - - - off off - during thermal protection circuit operation *1: an fg signal at a frequency corresponding to the phase switching operation is output. this ic is pin compatible with the lb11963t, which provides a built-in function for dividing the fg output frequency by 2 to ha ndle 8-pole motors. *2: in restart mode (output on) when a rotor constrained state wa s detected, the fg output operates in the same way as during normal operation, and differs depending on the rotor position. pin assignment application circuit example *1: the diode di prevents destruction of the ic if the power supply is connected with reverse polarity. since this ic includes a regeneration circuit, this ic recovers the coil current in the low side pnp output transistors and suppresses kickback, even when the diode di is used. this diode may be omitted if there is no chance of reve rse connection problems occurrin g, for example, if a power supply connector is used. *2: this capacitor is required for rectification if power supply pwm is used for speed control. *3: this pin must be left open if unused. *4: although chattering prevention m easures, such as adoptin g a non-interfering pin assignment and providing hysteresis in the hall sensor amplifier, these lines must be made as short as possible to make the circuit more resistant to noise. msop8 gnd out1 in+ in- fg ct v cc out2 1 2 3 4 5 6 7 8 LB11964T top view gnd v cc fg out1 out2 ct in+ in- h *1 *3 0.22 to 1
LB11964T no.8795-4/5 block diagram charge/discharge circuit delay circuit delay circuit thermal protection circuit 0.22 to 1 f control circuit discharge pulse amplifier with hysteresis
LB11964T ps no.8795-5/5 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. this catalog provides information as of may, 2007. specifications and info rmation herein are subjec t to change without notice.
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