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LB1981

更新时间: 2024-10-25 22:51:59
品牌 Logo 应用领域
三洋 - SANYO 驱动器电机
页数 文件大小 规格书
9页 92K
描述
Three-Phase Brushless Motor Driver

LB1981 数据手册

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Ordering number : ENN5917  
Monolithic Digital IC  
LB1981V  
Three-Phase Brushless Motor Driver  
Overview  
Package Dimensions  
The LB1981V is a three-phase brushless motor driver  
especially suited for use mainly with drum motors of  
portable VCRs.  
unit: mm  
3191-SSOP30  
[LB1981V]  
30  
16  
Features  
• Three-phase full-wave drive brushless sensorless motor  
drive  
• Soft switching drive  
• Power-saving speed control function due to motor  
voltage  
1
15  
0.15  
9.95  
• Use with 3V power supply possible  
• Output residual voltage can be set in 4 ways  
• Forward/reverse switching possible  
• Built-in standby function (FG and PG amplifier only  
remain operative)  
0.22  
0.43  
0.65  
SANYO : SSOP30  
• Built-in braking circuit  
• Built-in thermal shutdown circuit  
• Built-in FG and PG amplifiers  
• Built-in saturation prevention amplifier and midpoint  
control circuit  
Specifications  
Absolute Maximum Ratings at Ta = 25°C  
Parameter  
Symbol  
Conditions  
Ratings  
Unit  
Power supply voltage  
V
1 max  
2 max  
max  
7
12  
2
V
V
CC  
CC  
V
V
V
V
V
S
CC  
Applied output voltage  
Applied input voltage  
max  
V +2  
V
O
S
V
V
1 max Control circuits  
2 max U, V, W, COM  
max  
–0.3 to V 1+0.3  
CC  
V
IN  
V +2  
S
V
IN  
Output current  
I
1.0  
0.5  
A
O
Allowable power dissipation  
Operating temperature  
Storage temperature  
Pd max  
Topr  
W
°C  
°C  
–20 to +75  
–55 to +150  
Tstg  
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  
No. 5917-1/9  
81299RM(KI)  

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