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R3111N291A-TR

Description
Power Supply Support Circuit, Adjustable, 1 Channel, +2.9VV, CMOS, PDSO5, SOT-23, 5 PIN
CategoryPower/power management    The power supply circuit   
File Size204KB,20 Pages
ManufacturerRICOH Electronic Devices Co., Ltd.
Download Datasheet Parametric View All

R3111N291A-TR Overview

Power Supply Support Circuit, Adjustable, 1 Channel, +2.9VV, CMOS, PDSO5, SOT-23, 5 PIN

R3111N291A-TR Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerRICOH Electronic Devices Co., Ltd.
Parts packaging codeSOT-23
package instructionLSSOP, TSOP5/6,.11,37
Contacts5
Reach Compliance Codeunknown
ECCN codeEAR99
Is SamacsysN
Other featuresDETECTOR THRESHOLD VOLTAGE IS 2.9V
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G5
JESD-609 codee0
length2.9 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals5
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Encapsulate equivalent codeTSOP5/6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height1.4 mm
Maximum supply voltage (Vsup)10 V
Minimum supply voltage (Vsup)0.7 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Threshold voltage nominal+2.9V
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.6 mm
Base Number Matches1
’98.Dec.05
LOW VOLTAGE DETECTOR
R3111xxx1A/C Series
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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.
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FEATURES
q
q
q
q
q
q
q
Ultra-low Supply Current............................................................... TYP. 0.8µA (V
DD
=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
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APPLICATIONS
q
q
q
q
q
q
CPU and Logic Circuit Reset
Battery Checker
Window Comparator
Wave Shaping Circuit
Battery Back-up Circuit
Power Failure Detector
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BLOCK DIAGRAMS
R3111XXX1A
V
DD
OUT
R3111XXX1C
V
DD
OUT
Vref
GND
Vref
GND
Rev.1.10
-1-
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