LB11873 데이터 시트보기 (PDF) - ON Semiconductor

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LB11873

For Polygonal Mirror Motors Three-Phase Brushless Motor Driver

ON Semiconductor 

LB11873

Internal Equivalent Circuit Block Diagram and External Reference Circuit

TM

PWM

PD

TSD

PWM

OSC

CSD

CSD

OSC

Count

VREG

EI

-

S/S

S/S

+

EO

BRSEL

LD

CLK

FGS

FGFIL

BRSEL

LD

PLL

CLK

FG

Filter

-

-

+

+

Hall amplifier

COMP

CONT

AMP

Peak

hold

FCP

PH

Control

circuit

VREG

VREG

CURR

LIM

Driver

VCC Rf

VM

OUT1

OUT2

HB

OUT3

IN1+ IN1- IN2+ IN2- IN3+ IN3- HB

VREG

FCS

GND2 GND1

VCC

No.A0081-6/14

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