LB1923M Ver la hoja de datos (PDF) - SANYO -> Panasonic

Número de pieza

componentes Descripción

Fabricante

LB1923M

Power Brushless Motor Pre-Driver IC for OA Equipment

SANYO -> Panasonic 

Pin Functions

Pin No.

Pin

LB1923M

Functions

VCC

Equivalent circuit

1

INTOUT Integrating amplifier output (speed control)

1

20 kΩ

2

INTIN Integrating amplifier inverting input

Integrating amplifier noninverting input

43

INTREF (a potential of 1/2 VCC)

3

DOUT

Speed discriminator output

Acceleration → high, deceleration → low

VCC

30 kΩ

200 Ω

43

30 kΩ

VCC

200 Ω

2

3

Speed control system PLL output

4

POUT Outputs the phase comparison result for

1/2 fCLK and 1/2 fFG.

VCC

4

Speed lock detection output

5

LD

Goes low when the motor speed is within the speed lock

range (±6.25%).

VCC

5

Continued on next page.

No. 6067-12/17

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