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| 03W005A Actuator/Motor Driver for CD-ROM BH6526FV Description BH6526FV is a 2channel PWM driver developed for driving actuator and motor of CD-ROM. This IC has achieved lower power consumption of the set by using power MOS FET in output. Furthermore, using a small SSOP-B16 package and reducing external parts can achieve the size reduction. Dimension (Units : mm) 5.00.2 16 6.40.3 4.40.2 9 1. 150.1 1 8 0. 1 0.65 0.220. 1 0.3Min. 0. 1 Features 1) Lower power consumption of sets by adopting PWM system 2) Narrow dead band allows good play ability 3) Few external parts required 4) Small SSOP-B16 package 5) Power supply voltage : 5V Pre-driver block : Vcc+1.7V~11.5V SSOP-B16 Applications CD-ROM, DVD-ROM, DVD Absolute Maximum Ratings (Ta=25C) Parameter Power supply voltage Pre-driver supply voltage Driver output current Power dissipation Operating temperature range Symbol Vcc VG(15pin) Io Pd Topr --30 --55 Limits 9 12 800 562.5 Unit V V mA Tstg Storage temperature range Derating : 4.5mW/C for operation above Ta=25C ~ +85 ~ +150 mW C C On less than 3% (percentage occupied by copper foil), 70mmx70mm, t=1.6mm, glass epoxy mounting. January, 2003 0.150. 1 Recommended Operating Conditions (Ta=25C) Parameter Power supply voltage Pre-driver supply voltage Symbol VCC Min. 3.5 Typ. 5.0 10.0 Max. 5.5 11.5 Unit V V VG (9pin) Vcc+1.7 Electrical characteristics (Unless otherwise noted; Ta=25C, Vcc=5.0V, VG=10.0V, Vref=2.5V, RL=8+47H) Parameter Current at no signal (Vcc) PWM driver Output offset voltage Voltage gain Output ON resistance V00 GVC RON -50 12.0 1.0 0 14.0 1.7 50 16.0 2.4 mV dB Sum (Top+Bottom) Symbol Icc1 Min. -- Typ. 1.9 Max. 3.7 Unit mA Conditions Application Circuit TRACKING 0.01F 0.1F Vcc 5V 10V Charge Pump 16 15 20K 20K 14 1K NFAmp 13 12 DRI E 11 10 9 VG PWM SAW OSC PWM DRIVE NFAmp 20K 20K 1K BH6526FV 1 220pF 2 3 0.01F 4 5 6 7 8 FOCUS TE VREF FE Servo IC |
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