L6243D PDF预览

L6243D

更新时间: 2025-08-30 22:47:23
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 驱动器运动控制电子器件信号电路光电二极管电动机控制电机
页数 文件大小 规格书
12页 115K
描述
VOICE COIL MOTOR DRIVER

L6243D 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SO-28
针数:28Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.86Is Samacsys:N
模拟集成电路 - 其他类型:VOICE COIL MOTOR CONTROLLERJESD-30 代码:R-PDSO-G28
JESD-609代码:e0长度:17.9 mm
功能数量:1端子数量:28
最高工作温度:150 °C最低工作温度:-55 °C
最大输出电流:2.5 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP28,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5/12 V
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Motion Control Electronics最大供电电压 (Vsup):13.2 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):12 V
表面贴装:YES技术:BIPOLAR
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

L6243D 数据手册

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L6243  
L6243D  
VOICE COIL MOTOR DRIVER  
12V/5V OPERATION  
PARKING FUNCTION FOR HARD DISK  
HEAD ACTUATOR  
OUTPUT CURRENT UP TO 2A DC, 2.5A  
PEAK  
LOW SATURATION VOLTAGE  
LOGIC AND POWER SUPPLY MONITOR  
LINEAR CONTROL  
THERMAL PROTECTION  
ENABLE FUNCTION  
PLCC44  
ORDERING NUMBERS:  
L6243  
SO(24+2+2)  
L6243D  
CURRENT SENSE RESISTOR CONNEC-  
TIONS  
as a Transconductance Amplifier to drive a  
Voice Coil Motor in LinearMode.  
Additional features include Power On Reset De-  
lay, Enable and Park, as well as a general pur-  
pose Operational Amplifier. A logic low at the  
Park input activates the parking function. Holding  
the Enable input low will disable the device by  
forcing the outputs into a tristate mode. Power  
Fail Monitors for the logic and power supplies in-  
itiate an automatic parking sequence during a  
power failure. A resistor programmed parking  
voltage enables a constant velocity head retract.  
DESCRIPTION  
The L6243/D is a Bipolar IC developed for use in  
Hard Disk Head Actuator positioning applications.  
The Power Op-Amp Output Bridge, Differential  
Amplifier, and Error Amplifier, are controlled by  
TTL/CMOS, input compatible, Digital Logic, and  
an Analog Current Control Voltage. A simple  
RC compensation network, tied to the output of  
the Error Amp, will configure the system to work  
BLOCK DIAGRAM  
July 1996  
1/12  
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.  

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