11-MD311 Version Issue Date File Name Total Page : : : : A.003 2009/4/27 SP-MD311-A.003.doc 6 Micro-actuator Driver 新竹市展業一路 9 號 7 樓之 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 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 11-MD311 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 driver IC. The design is optimal for driving different type micro-actuator, such as voice coil motor, piezo-actuator, or other dc motor actuators. It is suitable for camera module application or other portable device. Features and Benefits ◆ ◆ ◆ ◆ ◆ Low voltage operation (VDD Min = 1.8 V) Low input current Zero standby current High frequency switch (1MHz) Thin, small package (LFCSP6) Pin Assignment VP1 VP2 VDD MD311 VO1 VO2 VSS Pin Num. Pin Name 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 SP-MD311-A.003.doc Description Ground Version：A.003 Page：1 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 11-MD311 Absolute Maximum Ratings ( Unless otherwise noted, TA= 25℃ ) Characteristic Symbol Rating Unit Supply Voltage VDD 4.5 V Input Voltage VP1 VDD+0.4 V IO Peak Current IOPeak 400 mA IODC Current IODC 280 mA Power Dissipation PD 300 mW Operating Temperature Range TOPR -40 ~ 80 °C Storage Temperature Range TSTG -65 ~ 150 °C Electrical Characteristic (Unless otherwise noted, TA= 25℃ & VDD=2.8V) Characteristic Sym. Supply Voltage VDD Standby Current IDD Condition No load Limit Unit Min. Typ. Max. 1.8 2.8 4.5 V - - 3 μA VP1 VP2 and PD Input Terminal ( TJ = 25℃) Input Voltage “H” VIH - 0.5*VDD - VDD+0.4 V Input Voltage “L” VIL - -0.4 - 0.2*VDD V Input Current “H” IIH VIN = VDD - - ±1 μA Input Current “L” IIL VIN = 0 V - - ±1 μA Output Terminal (O1, O2) Propagation Delay (Low to High) TIN_LH Rload = 10ohm - 70 120 ns Propagation Delay (High to Low) TIN_HL Rload = 10ohm - 35 70 ns Output Resistance (Upper) ROH IOUT=200mA - 1.32 1.6 Ohm Output Resistance (Low) ROL IOUT=200mA - 0.73 0.9 Ohm SP-MD311-A.003.doc Version：A.003 Page：2 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 11-MD311 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 1μF VDD VP1 O1 Control M1 VP2 O2 GND Application Notes The O1/O2 output H/H or L/L will brake the motor. Though 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 output nodes O1/O2 will reduce the noise generating by motor when the motor is switched to opposed direction. SP-MD311-A.003.doc Version：A.003 Page：3 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 11-MD311 Package Specifications ( LFCSP6 ) 1XX Note: 1 and XX of the “1XX” are the product number and lot numbers DIMENSION (mm) SYMBOL A A1 A3 b D D1 E E1 E2 e e1 L L1 y MIN. 0.33 0.00 0.22 1.50 0.5 1.30 1.00 1.30 0.25 - NOM. 0.38 0.02 0.127 REF 0.30 1.60 0.6 1.40 1.10 1.40 0.50 BASIC 1.00 BASIC 0.30 0.05 BASIC - SP-MD311-A.003.doc DIMENSION (mil) MAX. 0.43 0.05 MIN. 13 0 0.38 1.70 0.7 1.50 1.20 1.50 8.7 59.1 19.7 51.1 39.4 51.1 0.35 9.8 0.08 - Version：A.003 NOM. 15 0.8 5 REF 11.8 63.0 23.6 55.1 43.3 55.1 20.0 BASIC 39.4 BASIC 11.8 2.00 BASIC - Page：4 MAX. 17 2 15 66.9 27.6 59.1 47.2 59.1 13.8 3 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 11-MD311 The products listed herein are designed for ordinary electronic applications, such as electrical appliances, audio-visual equipment, communications devices and so on. Hence, it is advisable that the devices should not be used in medical instruments, surgical implants, aerospace machinery, nuclear power control systems, disaster/crime-prevention equipment and the like. Misusing those products may directly or indirectly endanger human life, or cause injury and property loss. Silicon Touch Technology, Inc. will not take any responsibilities regarding the misusage of the products mentioned above. Anyone who 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 officers and employees shall defend jointly and severally against any and all claims and litigation and all damages, cost and expenses associated with such intention and manipulation. SP-MD311-A.003.doc Version：A.003 Page：5