LB11899J Datasheet, PDF (9/16 Pages) ON Semiconductor – Three-in-One Motor Driver

LB11899J
Continued from preceding page.
Pin
Symbol
Pin voltage
No
30
DFC
Pin Description
Drum frequency characteristics
compensation pin.
Insertion of a capacitor to GND
stops oscillation of the closed loop
of current control system
Equivalent Circuit
VCC
30
24
DCTL
0V to VCC Drum speed control pin.
Control is the constant current
control to which current return is
applied from DRS.
24
300Ω
VCC
22
PGIN+
21
PGIN-
20
PGO1
Drum PG amplifier non-inverted
input pin
Biased internally to (3/5)×VCC
Drum PG amplifier inverted input
pin
300Ω
21
VCC
300Ω
10kΩ
15kΩ
22
Drum PG amplifier linear output pin
5kΩ
300Ω
500Ω
20
VCC
Continued on next page.
No.A2229-9/16