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U4793B-MY PDF预览

U4793B-MY

更新时间: 2024-11-02 03:13:19
品牌 Logo 应用领域
爱特美尔 - ATMEL 监控
页数 文件大小 规格书
8页 178K
描述
Current Monitor IC

U4793B-MY 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP8,.3针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.69
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码:R-PDIP-T8JESD-609代码:e3
长度:9.65 mm湿度敏感等级:1
信道数量:2功能数量:1
端子数量:8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:DIP封装等效代码:DIP8,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):260电源:9/15 V
认证状态:Not Qualified座面最大高度:4.8 mm
子类别:Automotive Circuits最大供电电流 (Isup):6 mA
最大供电电压 (Vsup):15 V最小供电电压 (Vsup):9 V
标称供电电压 (Vsup):12 V表面贴装:NO
技术:BIPOLAR温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn) - annealed端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:7.62 mm
Base Number Matches:1

U4793B-MY 数据手册

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Features  
10 kV – ESD Protection  
Two Comparators with Common Reference  
Tight Threshold Tolerance  
Constant Threshold  
NPN Output  
Interference and Damage-protection According to VDE 0839 and  
ISO/CD 7637 EMI Protection  
Reversal Polarity Protection  
Load-dump Protection  
Current Monitor  
IC  
U4793B  
1. Description  
The bipolar U4793B is designed to monitor overload or a short circuit in automotive or  
industrial applications. The threshold is tied to V4,6 = VS – VT where VT = 44.5 mV. It is  
independent of the supply voltage, VS. If the voltage drop across shunt resistor, Rsh,  
exceeds this value, the output is turned on, otherwise the output is turned off.  
Without supply voltage or open input pin 8, the output is turned off. The output break-  
down voltage is determined by the Z-diodes Z3 and Z5 with a typical value of VZ = 22V.  
An unused comparator input must be connected to pin 7.  
2. Block Diagram  
Figure 2-1. Schematic and Application Circuit  
V
V
S
Batt  
2
7
R
sh  
Z
2
5
OUT1  
+
-
&
4
Z
5
0.6 V  
R
S
sh  
-
+
8
6
3
+
-
OUT2  
&
Z
3
1
R
Load  
150 Ω  
1
Rev. 4557B–AUTO–09/05  

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