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R3111Q331C

更新时间： 2024-11-13 02:54:59
品牌 Logo 应用领域
理光 - RICOH /
页数 文件大小 规格书
20页 207K
描述
LOW VOLTAGE DETECTOR

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中文翻译

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R3111Q331C 数据手册

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’98.Dec.05  
LOW VOLTAGE DETECTOR  
R3111xxx1A/C Series  
■ OUTLINE  
The R3111 Series are voltage detector ICs with high detector threshold accuracy and ultra-low supply current by CMOS  
process, which can be operated at an extremely low voltage and is used for system reset as an example.  
Each of these ICs consists of a voltage reference unit, a comparator, resistors for detector threshold setting, an output driver  
and a hysteresis circuit. The detector threshold is fixed with high accuracy internally and does not require any adjustment.  
Two output types, Nch open drain type and CMOS type are available.  
The R3111 Series are operable at a lower voltage than that for the RX5VL Series, and can be driven by a single battery.  
Four types of packages, TO-92, SOT-89, SOT-23-5 and SC-82AB are available.  
■ FEATURES  
●
●
●
Ultra-low Supply Current............................................................... TYP. 0.8µA (VDD=1.5V)  
Wide Range of Operating Voltage.................................................. 0.7 to 10.0V(Topt=25°C)  
Detector Threshold......................................................................... Stepwise setting with a step of 0.1V in the range of  
0.9V to 6.0V is possible.  
●
●
●
●
High Accuracy Detector Threshold................................................ ±2.0%  
Low Temperature-Drift Coefficient of Detector Threshold............ TYP. ±100ppm/°C  
Two Output Types .......................................................................... Nch Open Drain and CMOS  
Four Types of Packages.................................................................. TO-92, SOT-89(Mini-power Mold), SOT-23-5 (Mini-  
mold), SC-82AB  
■ APPLICATIONS  
●
●
●
●
●
●
CPU and Logic Circuit Reset  
Battery Checker  
Window Comparator  
Wave Shaping Circuit  
Battery Back-up Circuit  
Power Failure Detector  
■ BLOCK DIAGRAMS  
R3111XXX1A  
R3111XXX1C  
V
DD  
V
DD  
OUT  
GND  
OUT  
GND  
Vref  
Vref  
Rev.1.10  
- 1 -  
1234567...20

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