BA6908F-E2 ROHM

1/3 STRUCTURE Silicon Monolithic Integrated Circuit PRODUCT SERIES Single-Phase Full-Wave Motor Driver for Fan Motor TYPE FEATURES Soft switched drive ABSOLUTE MAXIMUM RATINGS Symbol Limit Unit Parameter Vcc 15 V Supply voltage Pd 780 mW Power dissipation Topr -40+100 Operating temperature Tstg -55+150 Storage temperature Iomax 0.7 A Output current VOUT 15 V Output voltage IFG 15 mA FG signal output current VFG 15 V FG signal output voltage Tjmax 150 Junction temperature Reduce by 6.24mW/ over 25. (On 70.0mm70.0mm1.6mm glass epoxy board) This value is not to exceed Pd. OPERATING CONDITIONS Parameter Symbol Limit Unit Vcc 2.614.0 V Operating supply voltage range VH 0Vcc-2.0 V Hall input voltage range This product is not designed for production against radioactive rays. This document may be strategic data subject to COCOM regulations. REV. E 2/3 ELECTRICAL CHARACTERISTICS (Unless otherwise specified Ta=25,Vcc=5V) Limit Symbol Parameter Unit Conditions Min. Typ. Max. Icc 1.5 3.4 8.7 mA At output OFF Circuit current Charge current of capacitor ILDC 1.50 2.75 4.50 A VLD=1.1V for lock detection Discharge current of ILDD 0.24 0.48 0.90 A VLD=1.1V capacitor for lock detection Charge-discharge current ratio of capacitor for lock rCD 4.2 5.7 9.5 - rCD=ILDC/ILDD detection Clamp voltage of capacitor VLDCL 1.14 1.80 2.47 V for lock detection Comparison voltage of VLDCP 0.47 0.76 1.06 V capacitor for lock detection Output voltage L VOL - 0.2 0.3 V Io=200mA Output voltage H VOH 3.9 4.1 - V Io=-200mA FG terminal voltage L VFGL - 0.3 0.5 V IFG=5mA FG terminal leak current IFGL - 0 50 A VFG=15V Hall input offset voltage Hofs -10 - 10 mV Hall inputoutput gain GHO 320 500 680 - PACKAGE OUTLINES 5.00.2 85 6908 Lot No. 1 4 0.150.1 0.1 1.27 0.40.1 SOP 8(UNIT:mm) BLOCK DIAGRAM Terminal name OUT2 GND Terminal 1 8 Pin No. name REG 1 OUT2 LOCK FG OUT1 DETECTION 2 FG 2 7 AND AUTO 3 LD RESTART 4 Vcc LD H- 3 6 5 H+ Control 6 H- + - HALL 7 OUT1 TSD AMP Vcc + H+ - - + 4 5 8 GND REV. E 1.50.1 6.20.3 4.40.2 0.11 0.3Min.