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L497D1 PDF预览

L497D1

更新时间: 2024-09-15 22:25:35
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 模拟IC信号电路光电二极管控制器
页数 文件大小 规格书
11页 108K
描述
HALL EFFECT PICKUP IGNITION CONTROLLER

L497D1 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SO-16
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.82
Is Samacsys:N模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:9.9 mm湿度敏感等级:3
功能数量:1端子数量:16
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:14.4 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Automotive Circuits
最大供电电流 (Isup):25 mA最大供电电压 (Vsup):28 V
标称供电电压 (Vsup):14.4 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
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:30
宽度:3.9 mmBase Number Matches:1

L497D1 数据手册

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L497  
HALL EFFECT PICKUP IGNITION CONTROLLER  
.
.
.
.
DIRECT DRIVING OF THE EXTERNAL  
POWER DARLINGTON  
COIL CURRENT CHARGING ANGLE (dwell)  
CONTROL  
PROGRAMMECOIL CURRENT PEAKLIMITA-  
TION  
PROGRAMMABLE DWELL RECOVERY TIME  
WHEN 94 % NOMINAL CURRENT NOT  
REACHED  
DIP16  
SO16  
ORDERING NUMBERS : L497B (DIP16)  
L497D1 (SO16)  
.
.
.
RPM OUTPUT  
PERMANENT CONDUCTION PROTECTION  
OVERVOLTAGE PROTECTION FOR EXTER-  
NAL DARLINGTON  
INTERNAL SUPPLY ZENER  
REVERSE BATTERY PROTECTION  
The device drives an NPN external darlington to  
controlthecoil current providingthe requiredstored  
energy with low dissipation.  
.
.
A special feature of the L497 is the programmable  
time for the recovery of the correct dwell ratio Td/T  
when thecoil peakcurrent fails to reach 94 % of the  
nominal value.In this wayonly one spark mayhave  
an energylessthan 94 % ofthe nominaloneduring  
fast accelerationor cold starts.  
DESCRIPTION  
The L497is anintegratedelectronicignitioncontrol-  
ler for breakerless ignition systemsusing Hall effect  
sensors.  
BLOCK DIAGRAM  
1/11  
March 1998  

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