LB1877M

No. 6199-1/7

LB1877M

Package Dimensions

unit: mm

3036B-MFP20

Functions and Features

• Brushless sensorless motor drive (3-phase half-wave drive)

• Forward/reverse drive possible

• Built-in speed control function (voltage servo)

• Built-in reference voltage (0.9V)

• Soft switching

The LB1877M is a motor driver well suited for driving

motors of minicassette recorders, headphone stereos, and

microcasette recorders that use a 3V power supply.

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft's

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

63099RM(KI)

Ordering number : EN6199A

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

Monolithic Digital IC

Brushless Motor Driver with Speed Control

for Portable Cassette Recorders

[LB1877M]

Overview

1

20

10

11

12.6

0.15

1.27

0.35

0.59

SANYO : MFP20

Specifications

Absolute Maximum Ratings at Ta = 25

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

6.0

V

Maximum output current

IO max

0.5

A

Allowable power dissipation

Pd max

0.5

W

Operating temperature

Topr

–10 to +80

°C

Storage temperature

Tstg

–40 to +150

°C

Allowable Operating Ranges at Ta = 25

Parameter

Symbol

Conditions

Ratings

Unit

Power supply voltage

1.8 to 5.0

V