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R3117Q302C Datasheet Preview

R3117Q302C Datasheet

LOW VOLTAGE DETECTOR

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R3117Q302C pdf
R3117x SERIES
LOW VOLTAGE DETECTOR with SENSE pin
NO.EA-186-080617
OUTLINE
The R3117x 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 and a hysteresis circuit. The detector threshold is fixed with high accuracy internally and does
not require any adjustment.
The tolerance of the detector threshold is ±15mV (-VDET <= 1.5V) or ±1.0% (1.5V< -VDET). Since the sense pin is
separated from the VDD pin of the IC, therefore, even if the sense pin voltage becomes to 0V, the output voltage
keeps its "L" level.
Two output types, Nch open drain type and CMOS type are available.
Three types of packages, SOT-23-5, SC-88A, and DFN(PLP)1010-4 are available.
FEATURES
Supply Current ......................................................................Typ. 0.29µA (VDD=6.0V)
Consumption current through SENSE pin is not included.
Range of Operating Voltage..................................................1.0V to 6.0V (-40°C <= Topt <= 105°C)
Detector Threshold Range....................................................Stepwise setting with a step of 0.1V in the range
of 0.7V to 5.0V
Accuracy Detector Threshold................................................±1.0% (-VDET >= 1.6V), ±15mV (-VDET<1.6V)
Temperature-Drift Coefficient of Detector Threshold ............Typ. ±30ppm/°C
Output Types.........................................................................Nch Open Drain and CMOS
Packages ..............................................................................SOT-23-5, DFN(PLP)1010-4, SC-88A
Topt=25°C, unless otherwise noted.
APPLICATIONS
CPU and Logic Circuit Reset
Battery Checker
Window Comparator
Wave Shaping Circuit
Battery Back-up Circuit
Power Failure Detector
1



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RICOH

R3117Q302C Datasheet Preview

R3117Q302C Datasheet

LOW VOLTAGE DETECTOR

No Preview Available !

R3117Q302C pdf
R3117x
BLOCK DIAGRAMS
Nch Open Drain Output (R3117xxxxA)
SENSE
CMOS Output (R3117xxxxC)
SENSE
VDD
DOUT VDD
DOUT
Vref Vref
GND
GND
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.
The selection can be made with designating the part number as shown below;
R3117xxxxx-xx-x Part Number
↑ ↑ ↑↑ ↑ ↑
a b a' c d e
Code
a, a'
b
c
d
e
Contents
Designation of Package Type;
DFN(PLP)1010-4 : R3117Kxx1x-xx-x
SOT-23-5
: R3117Nxx1x-xx-x
SC-88A
: R3117Qxx2x-xx-x
Setting Detector Threshold (-VDET);
Stepwise setting with a step of 0.1V in the range of 0.7V to 5.0V is possible.
Designation of Output Type;
A: Nch Open Drain
C: CMOS
Designation of Taping Type ;
TR (Refer to Taping Specifications; TR type is the standard direction.)
Designation of Composition of pin plating
-F : Lead free solder plating (SOT-23-5, SC-88A)
None: Au plating
(DFN(PLP)1010-4)
2


Part Number R3117Q302C
Description LOW VOLTAGE DETECTOR
Maker RICOH
Total Page 29 Pages
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