LB1669 Datasheet, PDF (3/5 Pages) Sanyo Semicon Device – 2-Phase Unipolar Brushless Motor Driver

Pin Assignments
LB1669, 1669M
Top view
Top view
Equivalent Circuit Block Diagram and Sample Application Circuit 1
V_IN
Thermal
shutdown
Fixed
current
circuit
1 to 10 µ
0.47 to 10 µ
Note * 1: If radio noise is a problem, 0.01 to 0.1µF
* 2: Use a low-leak capacitor.
Sample Application Circuit 2
Unit (capacitance: F)
*
* C2 and C3 are ceramic
capacitors
If the output oscillates,
insert resistance in series
with the capacitor.
No.3513-3/5