LB1924 データシートの表示（PDF） - SANYO -> Panasonic
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LB1924 Datasheet PDF : 11 Pages
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LB1924
Pin Functions
Pin No.
28
1
2
3
5
Pin
OUT1
OUT2
OUT3
GND2
VM
Pin function
Motor drive outputs
Connect Schottky diodes between these outputs and VCC.
Output block ground
Output block power supply and output current detection.
Connect a resistor (Rf) with a small resistance between this
pin and VCC.
The output current is limited to a current set according to the
equation IOUT = VRF/Rf.
4
VCC Power supply (blocks other than the output block)
6
VREG Regulated power supply output (5-V output)
Insert a capacitor (about 0.1 µF) between this pin and ground
for regulation.
Equivalent circuit
7
F/R Forward/reverse control
Low: 0 to 1.5 V
High: 3.5 to VREG
The open state functions as a high-level input.
Has a hysteresis of about 0.5 V.
Low: Forward
High or open: Reverse
8
S/S Start/stop control
Low: 0 to 1.5 V
High: 3.5 to VREG
The open state functions as a high-level input.
Has a hysteresis of about 0.5 V.
Low: Start
High or open: Stop
Continued on next page.
No. 5687-8/11
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