Continued from preceding page.
Pin No.
Pin
Pin voltage
23
FC
LB1989
Equivalent circuit
Function
Frequency characteristics correction
Current control system closed loop
oscillation can be stopped by inserting a
capacitor between this pin and ground.
24
VC
0 to VCC
Allowable Internal Power Dissipation
Independent IC
Speed control
This IC implements constant-current
control by applying feedback from RF.
Ambient temperature Ta (°C)
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