LV8121V SANYO [Sanyo Semicon Device], LV8121V Datasheet - Page 8

• Manufacturer Part Number: LV8121V
• Description: For Fan Motor 3-phase Brushless Motor Driver
• Manufacturer: SANYO [Sanyo Semicon Device]

Continued from preceding page.
Pin No.
36
38
39
40
41
42
43
Pin name
CP1
VREG
GND1
RT
CT
HB
FG
Pin to connect the capacitor for charge pump.
Connect a capacitor between this pin and CP2.
5V constant voltage output pin.
(Power supply pin for the control circuits.)
Connect a capacitor between this pin and GND1 for
stabilization.
GND pin for the control circuits.
Pin to set the reference oscillation frequency.
Connect a resistor to charge / discharge the capacitor of CT
between this pin and CT.
Pin to set the reference oscillation frequency.
Connect a capacitor between this pin and GND1.
Hall bias switch pin.
Goes off when the S/S input is the stop mode.
One hall-effect sensor FG output pin.
(This is an open-drain output.)
Function
LV8121V
VREG
40
V CC 1
200Ω
VREG
VREG
V CC 2
Equivalent circuit
50Ω
300Ω
100kΩ
250Ω
Continued on next page.
36
42
43
No.A2135-8/14
38
41