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0.8% Low Voltage Detector



RICOH 로고
RICOH
R3116K081C 데이터시트, 핀배열, 회로
R3116x Series
0.8% Low Voltage Detector with Output Delay
NO.EA-161-140819
OUTLINE
The R3116x series are CMOS-based voltage detector ICs with high detector threshold accuracy and ultra-low
supply current, 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, a hysteresis circuit and an output delay circuit. The detector threshold is internally fixed with high
accuracy and does not require any adjustment.
Two output types, Nch open drain type and CMOS type are available.
The R3116x series are operable at a lower voltage than that of the R3112x series, and can be driven by a
single battery.
Three types of packages, SOT-23-5, SC-82AB, and DFN(PLP)1010-4 are available.
FEATURES
Supply Current ......................................................................Typ. 0.35μA (-VDET=1.5V, VDD=-VDET+1V)
Operating Voltage Range......................................................0.5V to 6.0V (Topt=25°C)
Detector Threshold Range....................................................0.7V to 5.0V (0.1V step)
Detector Threshold Accuracy................................................±0.8% (-VDET 1.5V)
Temperature-Drift Coefficient of Detector Threshold ............Typ. ±30ppm/°C
Built-in Output Delay Circuit..................................................Typ. 100ms with an external capacitor: 0.022μF
Output Delay Time Accuracy.................................................±15% (-VDET 1.5V)
Output Types.........................................................................Nch Open Drain "L" and CMOS
Packages ..............................................................................DFN(PLP)1010-4, SC-82AB, SOT-23-5
APPLICATIONS
CPU and Logic Circuit Reset
Battery Checker
Window Comparator
Wave Shaping Circuit
Battery Back-up Circuit
Power Failure Detector
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R3116K081C 데이터시트, 핀배열, 회로
R3116x
NO.EA-161-140819
BLOCK DIAGRAMS
Nch Open Drain Output (R3116xxx1A)
VDD OUT VDD
CMOS Output (R3116xxx1C)
Delay
Circuit
Vref
GND
Delay
Circuit
Vref
OUT
GND
CD CD
SELECTION GUIDE
The package type, the detector threshold, the output type and the taping type for the ICs can be selected at the
users’ request.
Product Name
Package
Quantity per Reel
Pb Free
Halogen Free
R3116Kxx1-TR
DFN(PLP)1010-4
10,000 pcs
Yes
Yes
R3116Qxx1-TR-FE
SC-82AB
3,000 pcs
Yes
Yes
R3116Nxx1-TR-FE
SOT-23-5
3,000 pcs
Yes
Yes
xx: The detector threshold can be designated in the range from 0.7V(07) to 5.0V(50) in 0.1V step.
: Designation of Output Type
(A) Nch Open Drain
(C) CMOS
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