?I? 9 ? 7 ? 1 silicon touch technology inc . 9-7f-1, prosperity rd i, science-based industrial park hsinchu, taiwan, r.o.c. tel 886-3-5727171 fax 886-3-5727390 11-MD311 version : a.002 issue date : 2006/12/28 file name : sp-md311-a.002.doc total page : 6 micro-actuator driver
c???? silicon touch technology inc. 11-MD311 sp-md311-a.002.doc version a.002 page 1 11- md311 micro-actuator driver general specifications 11-MD311 is a micro-actuator driver ic with miniature package. it is one channel low voltage bi-directional motor driv er ic. the design is optimal for driving different type micro-actuator, such as voice coil motor, piezo- actuator, or other dc mo tor actuators. it is suitable for camera module application or other portable device. features and benefits low voltage operation (v dd min = 1.8 v) low input current zero standby current high frequency switch (1mhz) thin, small package (lfcsp6) pin assignment vp2 vdd vo2 vp1 vo1 vss md311 pin num. pin name description 1 vp2 driver control pin2 2 vdd power supply pin1 3 vo2 driver output 2 4 vss ground 5 vo1 driver output 1 6 vp1 driver control pin1 bulk ground
c???? silicon touch technology inc. 11-MD311 sp-md311-a.002.doc version a.002 page 2 absolute maximum ratings ( unless otherwise noted, t a = 25 ) characteristic symbol rating unit supply voltage v dd 4.5 v input voltage v p1 v dd +0.4 v i o peak current i opeak 400 ma i odc current i odc 280 ma power dissipation p d 300 mw operating temperature range t opr -40 ~ 80 c storage temperature range t stg -65 ~ 150 c electrical characteristic (unless otherwise noted, t a = 25 & v dd =2.8v) limit unit characteristic sym. condition min. typ. max. supply voltage v dd 1.8 2.8 4.5 v standby current i dd no load - - 3 a vp1 vp2 and pd input terminal ( t j = 25 ) input voltage ?h? v ih - 0.8*v dd - v dd +0.4 v input voltage ?l? v il - -0.4 - 0.2*v dd v input current ?h? i ih v in = v dd - - 1 a input current ?l? i il v in = 0 v - - 1 a output terminal (o1, o2) propagation delay (low to high) t in_lh rload = 10ohm - 70 120 ns propagation delay (high to low) t in_hl rload = 10ohm - 35 70 ns output resistance (upper) r oh i out =200ma - 1.32 1.6 ohm output resistance (low) r ol i out =200ma - 0.73 0.9 ohm
c???? silicon touch technology inc. 11-MD311 sp-md311-a.002.doc version a.002 page 3 truth table input output vp1 vp2 o1 o2 l l h h l h h l h l l h h h l l function block vp1 control vp2 gnd o2 o1 vdd 1 f m1 application notes ? the o1/o2 output h/h or l/ l will brake the motor. th ough the active current of driver is near to zero, if the application is required to turn off driver, please turn off the driver?s power from vdd. ? the capacitor connected between the out put nodes o1/o2 will reduce the noise generating by motor when the motor is switched to opposed direction.
c???? silicon touch technology inc. 11-MD311 sp-md311-a.002.doc version a.002 page 4 package specifications ( csp6 ) a 0.20 a3 a1 6 4 top view b ottom view e2 1 3 d e b 0.20typ l1 1.25 0. 715 typ. d1 e1 6 4 1 3 l e e1 1xx note: 1 and xx of the ?1xx? are the product number and lot numbe r respectively. dimension (mm) dimension (mil) symbol min. nom. max. min. nom. max. a - - 0.425 - - 16.7 a1 0.00 0.02 0.05 0 0.8 2 a3 0.127 ref 5 ref b 0.22 0.30 0.38 8.7 11.8 15 d 1.50 1.60 1.70 59.1 63.0 66.9 d1 0.5 0.6 0.7 19.7 23.6 27.6 e 1.30 1.40 1.50 51.1 55.1 59.1 e1 1.00 1.10 1.20 39.4 43.3 47.2 e2 1.30 basic 51.2 basic l 0.25 0.30 0.35 9.8 11.8 13.8 l1 0.05 basic 2.00 basic e 0.50 basic 20.0 basic e1 1.00 basic 39.4 basic y - - 0.08 - - 3
c???? silicon touch technology inc. 11-MD311 sp-md311-a.002.doc version a.002 page 5 the products listed herein are designed for or dinary electronic applications, such as electrical appliances, audio-visual equipm ent, communications devices and so on. hence, it is advisable that the devices should not be used in medical instruments, surgical implants, aerospace machi nery, nuclear power control systems, disaster/crime-prevention equipment and the like. misusing those products may directly or indirectly endanger human lif e, or cause injury and property loss. silicon touch technology, inc. will not take any responsibilities regarding the misusage of the products m entioned above. anyone w ho purchases any products described herein with the above-mentioned intention or with such misused applications should accept full responsibility and indemnify. silicon touch technology, inc. and its distributors and all their office rs and employees shall defend jointly and severally against any and all claims and litigation and all damages, cost and expenses associated with such in tention and manipulation.
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