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U2044B_05 PDF预览

U2044B_05

更新时间: 2024-11-11 03:25:11
品牌 Logo 应用领域
爱特美尔 - ATMEL /
页数 文件大小 规格书
9页 227K
描述
Dual Output Flasher

U2044B_05 数据手册

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Features  
Temperature and Supply Voltage Compensated Flashing Frequency  
Frequency Doubling Indicates Lamp Outage  
Two Relay Driver Outputs with High Current-carrying Capacity and Low Saturation  
Voltage  
Minimum Lamp Load for Flasher Operation: 1W  
Very Low Susceptibility to EMI  
Dual Output  
Flasher  
Protection According to ISO/TR7637/1 Level 4  
Extremely Low Current Consumption < 10 µA (with Switches Open)  
Reverse Polarity Protection  
Three Control Inputs: Left, Right and Hazard Warning  
U2044B  
1. Description  
The integrated circuit U2044B is used in relay-controlled automotive flashers. With  
two output stages, each side of the vehicle is controlled separately. A left and a right  
direction indicator input with only a small control current makes switch contacts for  
small loads possible.  
The separate hazard warning input simplifies the construction of the hazard switch.  
Lamp outage is indicated by frequency doubling during direction mode. Thanks to  
extreme low current consumption the U2044B can be directly connected to the  
battery.  
Rev. 4721B–AUTO–09/05  

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