? semiconductor components industries, llc, 2015 1 publication order number: september 2015- rev. 2 LB11862MC/d LB11862MC overview single-phase full-wave drive design and a compact package make these ics optimal for small fans (especially cpu cooling fans). low switching noise and effective motor drive are further advantages. features ? single-phase full-wave drive ? built-in thermal shutdown circuit. ? built-in lock protection and automatic recovery circuits typical applications ? pc power supply system ? cpu cooling fan system ? refrigerator ? pc specification absolute maximum ratings at ta = 25 ? c (note 1) parameter symbol conditions ratings unit supply voltage v cc max 17 v output current i out max 0.8 a output withstand voltage v out max 17 v output withstand voltage on rd output pin v r max 17 v rd output current i r max 5ma hb output current i b max 10 ma input voltage st pin v st max 15 v allowable power dissipation pd max when mounted on a circuit board (note 2) 0.75 w operating temperature topr -40 to +85 ? c storage temperature tstg -55 to +150 ? c 1. stresses exceeding those listed in the absolute maximum rating table may damage the device. if any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 2. specified circuit board : 114.3 ? 76.1 ? 1.6mm 3 , glass epoxy 3. absolute maximum ratings represent the values which cannot be exceeded even for a moment 4. if you should intend to use this ic conti nuously 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 www.onsemi.com soic-10 ordering information ordering code: LB11862MC-ah package soic-10 (pb-free / halogen free) shipping (qty / packing) 2500 / tape & reel ? for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d. http://www.onsemi.com/pub_link/collateral/brd8011-d.pdf xxxxx = specific device code a = assembly location l = wafer lot y = year w = work week generic marking diagram* xxxxx alywx 1 10 fan motor driver, single-phase, full-wave
LB11862MC www.onsemi.com 2 recommended operating conditions at ta = 25 ? c (note 5) parameter symbol conditions ratings unit supply voltage v cc 3.8 to 16.8 v st input high-level voltage v st h 3 to 14 v st input low-level voltage v st l -0.3 to 0.4 v hall input common-mode input voltage range vicm 0.2 to v cc -1.5 v 5. functional operation above the stresses listed in the recommended operating ranges is not implied. extended exposure to stre sses beyond the recommended operating ranges limits may affect device reliability. electrical characteristics unless otherwise specified ta ? 25 ? c, v cc = 5v (note 6) parameter symbol conditions ratings unit min typ max circuit current i cc 1 operation mode (ct=l, st=l) 12 17 ma i cc 2 lock protection mode (ct=h, st=l) 2.5 4.0 ma i cc 2 standby mode (st=h) 110 150 ? a lock detection capacitor charging current i ct 1 v ct = 0.2v 1.5 2.1 3.0 ? a capacitor discharging current i ct 2 v ct = 3.0v 0.21 0.35 0.50 ? a capacitor charging / discharging current ratio r ct r cd = i ct 1/i ct 2 5.0 6.0 8.0 ct charging voltage v ct 1 2.55 2.75 2.95 v ct discharging voltage v ct 2 1.6 1.8 2.0 v output low-level voltage v o l i o = 200ma 0.2 0.3 v output high-level voltage v o h i o = 200ma 3.9 4.1 v hall input sensitivity v hn zero peak value (including offset hysteresis) 7 15 ma rd output pin low-level voltage v rd l i rd = 5ma 0.1 0.3 v rd output pin leakage current i rd l v rd = 15v 30 ? a hb output low-level voltage v hb l i hb = 5ma 1.0 1.3 v st pin input current i st v st = 5v 75 100 ? a 6. product parametric performance is indica ted in the electrical characteristics for the listed test conditions, unless otherwi se noted. produc t performance may not be indicated by the electrical characteri stics if operated under different conditions.
LB11862MC www.onsemi.com 3 package dimensions unit : mm soic ? 10 nb case 751bq issue b seating plane 1 5 6 10 h x 45 notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. dimension b does not include dambar protrusion. allowable protrusion shall be 0.10mm total in excess of ?b? at maximum material condition. 4. dimensions d and e do not include mold flash, protrusions, or gate burrs. mold flash, protrusions, or gate burrs shall not exceed 0.15mm per side. dimensions d and e are de- termined at datum f. 5. dimensions a and b are to be determ- ined at datum f. 6. a1 is defined as the vertical distance from the seating plane to the lowest point on the package body. d e h a1 a dim d min max 4.80 5.00 millimeters e 3.80 4.00 a 1.25 1.75 b 0.31 0.51 e 1.00 bsc a1 0.10 0.25 a3 0.17 0.25 l 0.40 0.80 m 0 8 h 5.80 6.20 c m 0.25 m dimension: millimeters soldering footprint* h 0.37 ref l2 0.25 bsc a top view c 0.20 2x 5 tips a-b d c 0.10 a-b 2x c 0.10 a-b 2x e c 0.10 b 10x b c c 0.10 10x side view end view detail a 6.50 10x 1.18 10x 0.58 1.00 pitch recommended 1 l f seating plane c l2 a3 detail a d
LB11862MC www.onsemi.com 4 pdmax-ta graph pin assignment truth table st in- in+ ct out1 out2 rd hb mode high - - - off off off off standby low high low low high low low low operating low high low high high off off off low lock protection (the rd output is latched at ?low?-level in oper ating mode and ?high?-level in stop mode.) 0 0.8 0.4 0.2 0.6 1.0 80 40 -40 0 0.39 ambient temperature, ta - c allowable power dissipation, pd max - w specified circuit board : 114.3 76.1 1.6mm 3 glass epoxy board LB11862MC gnd out2 v cc st rd out1 hb ct in- in+ (top view)
LB11862MC www.onsemi.com 5 block diagram application circuit example 1. d1 is for protection against breakdown in case of reverse connection of power supply and mat is deleted when there is no problem. 2. c2 is necessary to allow the kick-back re generative current to flow when c2 is to be used with the coil current of 500ma or more. 3. ct to be connected to gnd when not used. 4. rd, st and hb pins to be open when not used. v cc in- in+ st ct rd out1 out2 gnd h c2 d1 motor coil v cc rd hall in+ in- ct st gnd out1 out2 m start/stop hb thermal protection circuit discharging pulse control circuit charge/discharge circuit amplifier with hysteresis delay circuit delay circuit
LB11862MC www.onsemi.com 6 on semiconductor and the on logo are registered trademarks of semiconductor components industries, llc (scillc) or its subsidiaries in the united st ates and/or other countries. scillc owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. a lis ting 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 with out further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any parti cular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specific ations can and do vary in different applications and actual performance may vary over time. all operating parameters, including ?typicals? must be validated fo r each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc pro ducts are not designed, intended, or authorized for use as com ponents in systems int ended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application 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 ar ising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that sci llc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject t oall applicable copyright laws and is not for resale in any manner.
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