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LB1998 PDF预览

LB1998

更新时间: 2024-10-26 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 85K
描述
Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive

LB1998 数据手册

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Ordering number : EN5979A  
Monolithic Digital IC  
LB1998  
Three-Phase Brushless Motor Driver  
for CD-ROM Spindle Drive  
Overview  
Package Dimensions  
unit: mm  
The LB1998 is a three-phase brushless motor driver  
especially suited for CD-ROM spindle motor drives.  
3234-HSOP28HC  
[LB1998]  
15.3  
6.2  
2.7  
Functions  
28  
15  
• Current linear drive  
• Control V type amplifier  
• Top side current detection technique reduces loss  
voltage of current detection resistor. Voltage effect of  
this resistor reduces internal current drain of IC.  
• Built-in current limiter circuit  
1
0.25  
0.8  
0.3  
0.85  
• Built-in reverse blocking circuit  
• Hall FG output  
SANYO : HSOP28HC  
• Built-in 1 Hall FG/3 Hall FG switching circuit  
• Built-in short braking circuit  
• Built-in Hall bias cicuit  
• Built-in thermal shutdown circuit  
• Built-in S/S function  
Pd max – Ta  
With substrate (114.3 mm×76.1 mm×1.6 mm )  
2.0  
1.8  
1.6  
3
• Built-in 3 mode gain switching function ensures  
compatibility with 8/12 cm CAV and CLV discs  
1.2  
0.8  
1.08  
IC only  
0.79  
0.474  
0.4  
0
–25  
0
25  
50  
75  
100  
Ambient temperature, Ta – °C  
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. 5979-1/9  
60499RM(KI)/30299RM(KI)  

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