LB11873 Ver la hoja de datos (PDF) - ON Semiconductor

Número de pieza

componentes Descripción

Fabricante

LB11873

For Polygonal Mirror Motors Three-Phase Brushless Motor Driver

ON Semiconductor 

LB11873

Continued from preceding page.

Pin No.

Pin

Description

13

FCP

Current limiter circuit frequency characteristics

correction

Connect a capacitor (about 0.01μF to 0.1μF)

between this pin and ground.

The output duty is determined by comparing the

voltage at this pin with the PWM oscillator

waveform.

VREG

Equivalent Circuit

300Ω

13

14

PD

Phase comparator output

The phase error is converted to a pulse duty and

output from this pin.

VREG

300Ω

14

15

EI

Error amplifier input

VREG

16

EO

Error amplifier output

VREG

300Ω

15

17

FGFIL FG filter

This pin is normally left open. If noise on the FG

VREG

signal is a problem, connect a capacitor (about

20pF or smaller) between this pin and ground.

40kΩ

16

300Ω

17

Continued on next page.

No.A0081-8/14

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