LB1894M Просмотр технического описания (PDF) - SANYO -> Panasonic
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LB1894M Datasheet PDF : 7 Pages
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Ordering number:EN4948A
Monolithic Digital IC
LB1894M
3-Phase Brushless Motor Driver
for CD-ROM Spindle Motors
Overview
The LB1894M is a 3-phase brushless motor driver for
use in CD-ROM spindle motors.
Function and Features
• 3-phase bipolar brushless motor driver.
• Voltage linear drive, enabling the external capacitance
to be reduced.
• Thermal shutdown circuit built-in.
• Overcurrent protection circuit built-in.
• V-type control amplifier built-in.
• 2-step switching control gain.
• Control gain switchable using operational amplifier.
Package Dimensions
unit:mm
3073A-MFP30S
[LB1894M]
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter
Maximum supply voltage
Output supply current
Output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC1 max
VCC2 max
VOU, V, W
IOUT
Pd max
Topr
Tstg
Allowable Operating Ranges at Ta = 25˚C
Parameter
Supply voltage
Symbol
VCC1
VCC2
Conditions
Conditions
SANYO : MFP30S
Ratings
Unit
20 V
7.0 V
22 V
1.5 A
1.05 W
–20 to +75 ˚C
–55 to +150 ˚C
Ratings
Unit
5 to 18 V
4.3 to 6.5 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 Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
93098HA (KT)/70695TH (ID) No.4948–1/7
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