LB11990W 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LB11990W

Three-Phase Brushless Motor Driver

SANYO -> Panasonic 

Continued from preceding page

Pin number Pin name Pin voltage

30

PGIN max2.0V

min1.0V

(At VCC =

3V)

LB11990W

Equivalent circuit

VCC1

500Ω

30

500Ω

Pin function

PG amplifier input pin.

Connect PG coil between this pin

and VREF.

31

VREF

31

1.3V

VCC1

Internal 1.3V reference voltage.

Used as reference voltage for FG

and PG amplifiers.

1.3V

32

FGIN_D max2.0V

min1.0V

(At VCC1 =

33

FGIN1_D

3V)

VCC1

500Ω

34

FGIN2_D

1.3V

16

STBY_D 0 to VCC1

34 33 32

VCC1

100kΩ

16

FG amplifier input pin.

Connect FG coil between this pin

and VREF.

FG amplifier input signal noise

filter capacitor connection.

FG amplifier input signal noise

filter capacitor connection.

When this pin is at 0.7V or lower

or when it is open, only the FG/

PG amplifier operates.

In the motor drive state, the pin

should be at 2V or higher.

Drum motor standby pin.

Continued on next page

No. 6216-10/14

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