LB1877M Datasheet, PDF (1/7 Pages) Sanyo Semicon Device – Brushless Motor Driver with Speed Control for Portable Cassette Recorders

Ordering number : EN6199A
LB1877M
Monolithic Digital IC
LB1877M
Brushless Motor Driver with Speed Control
for Portable Cassette Recorders
Overview
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.
Package Dimensions
unit: mm
3036B-MFP20
[LB1877M]
20
11
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
1
12.6
0.35
10
0.15
1.27 0.59
SANYO : MFP20
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output current
Allowable power dissipation
Symbol
V_CC max
IO max
Pd max
Operating temperature
Topr
Storage temperature
Tstg
Allowable Operating Ranges at Ta = 25°C
Parameter
Symbol
Power supply voltage
V_CC
Conditions
Conditions
Ratings
Unit
6.0
V
0.5
A
0.5 W
–10 to +80 °C
–40 to +150 °C
Ratings
Unit
1.8 to 5.0
V
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
63099RM(KI) No. 6199-1/7