BD6989FVM

TECHNICAL NOTE DC Brushless Motor Driver Series for Cooling Fans Low-voltage Single-phase Full-wave DC Brushless Fan Motor Drivers BH6766FVM, BD6989FVM, BH6799FVM, BH6789FVM ●Description This is the summary of models that suit for notebook PC cooling fan. They employ Bi-CMOS and Bi-CDMOS process, and realize low ON resistor, low power consumption, and quiet drive. They also incorporate lock protection and automatic restart circuit which does not require external capacitor. ●Features 1) Soft switched drive 2) Incorporating lock protection and automatic restart circuit(BD6989FVM、BH6799FVM、BH6789FVM) 3) Rotating speed pulse signal (FG) output (BD6989FVM、BH6799FVM、BH6766FVM) 4) Lock alarm signal (AL) output (BH6789FVM) 5) PWM speed control (BD6989FVM) 6) MSOP8 compact package ●Applications For compact 5V fan such as notebook PC cooling fan ●Lineup Low voltage single-phase full wave PWM speed control Lock protection circuit incorporated FG output BD6989FVM PWM speed control not available Lock protection circuit incorporated Lock protection circuit not incorporated FG output BH6799FVM AL output BH6789FVM FG output BH6766FVM Jan. 2007 ●Absolute maximum ratings ◎BD6989FVM Parameter Symbol Limit Supply voltage Vcc 10 Power dissipation Pd 585＊ Operating temperature Topr -40～+105 Storage temperature Tstg -55～+150 Output voltage Vomax 10 Output current Iomax 700＊＊ FG signal output current IFG 10 FG signal output voltage VFG 10 Junction temperature Tj...