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U4793B-MFPG3Y PDF预览

U4793B-MFPG3Y

更新时间: 2024-11-02 03:13:19
品牌 Logo 应用领域
爱特美尔 - ATMEL 电源电路电源管理电路光电二极管监控异步传输模式ATM
页数 文件大小 规格书
8页 178K
描述
Current Monitor IC

U4793B-MFPG3Y 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:SOIC
包装说明:LEAD FREE, SO-8针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.71
Is Samacsys:N可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.925 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:LSOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE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:1.65 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:YES技术:BIPOLAR
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
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:40
宽度:3.8 mmBase Number Matches:1

U4793B-MFPG3Y 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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