LB11847 Datasheet, PDF (9/16 Pages) Sanyo Semicon Device – PWM Current Control Type Stepping Motor Driver

MIX DECAY
E pin
LB11847
Noise spike
tm
Output pin
tn
CR pin
Output pin
ton
toff
Switching waveform
t_on : Output ON time
t_off : Output OFF time
t_m : FAST DECAY time in MIX DECAY mode
t_n : Noise cancelling time
MIX DECAY logic setting
DECAY pin : L
MD pin : 1.5V to 4.0V voltage setting
CR voltage and MD pin voltage are compared to select dual-side chopping
or upper-side chopping.
CR voltage > MD pin voltage: dual-side chopping
CR voltage < MD pin voltage: top-side choppinng
A12537
No. 6183-9/16