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R3111D281B-TR-FE

Description
Supervisory Circuits Low Voltage Detector
CategoryPower/power management    The power supply circuit   
File Size647KB,44 Pages
ManufacturerRICOH Electronic Devices Co., Ltd.
Environmental Compliance
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R3111D281B-TR-FE Overview

Supervisory Circuits Low Voltage Detector

R3111D281B-TR-FE Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerRICOH Electronic Devices Co., Ltd.
Parts packaging codeSON
package instructionVSOF,
Contacts6
Reach Compliance Codeunknown
ECCN codeEAR99
R3111E (TO-92) is the discontinued product as of April, 2017.
R3111x SERIES
LOW VOLTAGE DETECTOR
NO.EA-056-170428
OUTLINE
The R3111x 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.
Three output types, Nch open drain “L” type, Nch open drain “H” type and CMOS type are available.
The R3111x Series are operable at a lower voltage than that for the Rx5VL series, and can be driven by a
single battery.
Seven types of packages, TO-92, SOT-89, SOT-23-3, SOT-23-5, SC-82AB, SC-88A and SON1612-6 are
available.
FEATURES
Supply Current ...................................................................... Typ. 0.8A (-V
DET
½1.5V,
V
DD
½-V
DET
0.1V)
Operating Voltage Range...................................................... 0.7V to 10.0V (Ta½25C)
Detector Threshold Range .................................................... 0.9V to 6.0V (0.1V steps)
(
For other voltages, please refer to MARK INFORMATIONS.)
Detector Threshold Accuracy ................................................
2.0%
Temperature-Drift Coefficient of Detector Threshold ............ Typ.
100ppm/C
Output Types ......................................................................... Nch Open Drain “L”, Nch Open Drain “H”, and
CMOS
Packages .............................................................................. SON1612-6, SC-82AB, SC-88A, SOT-23-3,
SOT-23-5, SOT-89, TO-92
APPLICATIONS
CPU and Logic Circuit Reset
Battery Checker
Window Comparator
Wave Shaping Circuit
Battery Back-up Circuit
Power Failure Detector
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