LB1687 データシートの表示（PDF） - SANYO -> Panasonic
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LB1687 Datasheet PDF : 4 Pages
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Ordering number:ENN3345
Monolithic Digital IC
LB1687
3-Phase Brushless Motor Driver
Applications
The LB1687 is a 3-phase brushless motor driver IC ideally
suited for use in VCR capstan motor, drum motor drive
applications.
Features and Functions
• 120° voltage linear type.
• Soft switching type eliminating noises caused by current
switching and making the values of external capacitors
smaller (comparable to those of chip capacitors).
• On-chip FG amplifier.
• On-chip thermal shutdown circuit.
• The FG signal can be used to detect the rotational speed
of a motor so that the hall amplifier gain is changed in
two steps, thus reducing torque ripple and noise.
• Motor drivable at voltage down to motor supply voltage
5V.
Package Dimensions
unit:mm
3061-DIP30S
[LB1687]
30
16
1
15
27.2
1.15
1.78
0.48
0.95
SANYO : DIP30S
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter
Maximum supply voltage
Output supply voltage
Output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max1
VCC max2
VOUT.V.W
IOUT
Pd max
Topr
Tstg
Allowable Operating Ranges at Ta = 25˚C
Parameter
Supply voltage
Symbol
VCC1
VCC2
Conditions
Conditions
Ratings
Unit
20 V
7.0 V
22 V
1.5 A
2.1 W
–20 to +75 ˚C
–55 to +125 ˚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 Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
22801TN (KT)/3260TA, TS No.3345–1/4
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