LB11923V Datasheet, PDF (6/19 Pages) Sanyo Semicon Device – Three-Phase Brushless Motor Driver

LB11923V
Three-Phase Logic Truth Table (A high (H) input is the state where IN⁺ > IN^–.)
F/R=L
Item
IN1 IN2 IN3
1
H
L
H
2
H
L
L
3
H
H
L
4
L
H
L
5
L
H
H
6
L
L
H
F/R=H
IN1 IN2 IN3
L
H
L
L
H
H
L
L
H
H
L
H
H
L
L
H
H
L
Output
PWM —
VH
UL
WH
UL
WH
VL
UH
VL
UH
WL
VH
WL
S/S Pin
High or open
Low
Stop
Start
BRK Pin
High or open
Low
Brake
Released
Pin Functions
Pin No.
Pin
Functions
Equivalent circuit
1
VCC1
1
VREG
7-V shunt regulator output
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 = 16 kHz, maximum
VCC1
VCC1
3.5 kΩ
2
3.5 kΩ
3
Continued on next page.
No. 7498-6/19