LB11867RV Datasheet, PDF (8/9 Pages) Sanyo Semicon Device – Variable Speed Single-phase Full-wave Pre-driver

Control timing chart (Soft start)
(1)At VTH < RMI voltage
RMI voltage
LB11867RV
S-S voltage
VTH voltage
0V
Lock protection
100%
ONDUTY
Soft start section
3.0V
CPWM
1.1V
VTH set speed
0%
(2) At VTH > RMI voltage
VTH voltage
RMI voltage
S-S voltage
0V
100%
Lock protection
Soft
start
section
ONDUTY
RMI set speed
T
3.0V
CPWM
1.1V
0%
T
Adjust the S-S pin voltage gradient by means of the capacitance of the capacitor between the S-S pin and 5VREG..
Recommended capacitor: 0.1μ to 1μF
No.A1534-8/9