LB11923V Datasheet, PDF (8/20 Pages) Sanyo Semicon Device – Three-Phase Brushless Motor Driver

Pin Functions
Pin No.
Pin
LB11923V
Functions
1
VREG
7-V shunt regulator output
Equivalent circuit
1
VCC1
Start/stop control
Low: 0 V to 1.0 V
High: 2.0 V to V_CC
2
S/S
Goes high when left open.
Low for start.
High or open for stop.
The hysteresis is about 0.22 V.
External clock signal input
Low: 0 V to 1.0 V
3
CLK
High: 2.0 V to V_CC
Goes high when left open.
The hysteresis is about 0.22 V.
f = 3.9 kHz, maximum
Forward/reverse control
Low: 0 V to 1.0 V
High: 2.0 V to V_CC
4
F/R
Goes high when left open.
Low for forward.
High or open for reverse.
The hysteresis is about 0.22 V.
VCC1
VCC1
VCC1
3.5 kΩ
2
3.5 kΩ
3
3.5 kΩ
4
Continued on next page.
No. 7498-8/20