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R3112N381A-TR-F

更新时间： 2023-02-26 15:02:48
品牌 Logo 应用领域
理光 - RICOH 光电二极管
页数 文件大小 规格书
2页 139K
描述
Power Supply Support Circuit, Fixed, 1 Channel, +3.8VV, CMOS, PDSO5, ROHS COMPLIANT, SOT-23, 5 PIN

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R3112N381A-TR-F 数据手册

 浏览型号R3112N381A-TR-F的Datasheet PDF文件第2页 
R3112x Series  
Low Input VD with Delay Function  
The R3112x Series are CMOS-based voltage detector ICs with the built-in output delay circuit, which can operate at low voltage.  
The delay time can be set with an external capacitor.  
FEATURES  
• Supply Current (ISS1)·······················Typ. 0.5μA (VDD=-VDET+1V, R3112x15x)  
• Operating Voltage Range (VDD) ······0.7V to 6.0V (Topt=25°C)  
• Detector Threshold Accuracy ·······± 2%  
Temp. coeff. of Detector Threshold···Typ. ± 100ppm/°C  
• Two Output Types ··························Nch. Open Drain and CMOS  
•
•
Detector Threshold Range (-VDET)·····0.9V to 5.0V (internally fixed)  
• Output Delay ·································Typ. 100ms delay set with a 0.022μF external • Packages········································SON1612-6, SC-82AB,  
capacitor  
• Reset Signal ···································"L"  
SC-88A, SOT-23-5  
BLOCK DIAGRAMS  
R3112xxxxA  
R3112xxxxC  
(Nch. open drain output)  
(CMOS output)  
VDD  
VDD  
OUT  
GND  
RD  
RD  
OUT  
GND  
Vref  
Vref  
CD  
CD  
SELECTION GUIDES  
TIMING CHART  
Package  
SON1612-6  
SC-82AB  
SC-88A  
Quantity per Reel  
Part No.  
Release Voltage  
+VDET  
Supply  
Voltage  
(VDD)  
Hysteresis  
Hysteresis  
4,000 pcs  
3,000 pcs  
3,000 pcs  
3,000 pcs  
R3112D  
.
xx.  
1.  
∗-TR-F  
Detector Threshold  
-
VDET  
R3112Q  
R3112Q  
.
.
xx  
xx  
.
.
1
2
.
∗-TR-F  
∗-TR-F  
Minimum Operating  
Voltage  
VDDL  
GND  
.
SOT-23-5  
R3112N  
.
xx.  
1.  
∗-TR-F  
Pull-up Voltage  
Output  
Voltage  
(VOUT)  
.
xx.  
: Specify the detector threshold within the range  
0.9V (  
.
09  
.
) to 5.0V (  
.
50  
.
) in 0.1V steps.  
GND  
: Select the output type from (  
.
A
.
) Nch. open drain or (  
.
C
.
) CMOS.  
.
∗
tPHL  
tD  
tPHL  
tD  
R3112xxxxA  
R3112xxxxC  
PACKAGES (Top View)  
HOW TO DETERMINE DELAY TIME  
Letting the capacity of an external capacitor CD (F),  
the delay time (tD) is found from the following equation:  
SON1612-6  
SC-82AB  
SC-88A  
SOT-23-5  
4
3
5
4
6
5
4
5
4
tD=0.69 × 6.5 × 106 × CD (s)  
1
2
3
1
2
3
1
2
3
1
2
1
OUT  
GND  
CD  
NC  
GND  
VDD  
1
VDD  
GND  
CD  
1
VDD  
NC  
GND  
CD  
OUT  
1
2
3
4
5
OUT  
VDD  
GND  
NC  
2
3
4
5
6
2
3
4
2
3
4
5
OUT  
CD  
APPLICATIONS  
• Microcontroller and logic circuit reset  
• Battery checker  
• Window comparator  
• Wave shaping circuit  
• Battery back-up circuit  
• Power failure detector  
No.EK-091-091101  
CMOS Voltage Detector  
12

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