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R3112 Series
Voltage Detector with Delay Function

Product Specifications

The R3112 Series are CMOS-based voltage detector ICs with the built-in output delay circuit. The delay time can be set with an external capacitor.

FEATURES

Operating Voltage Range (Maximum Rating) 0.7 V to 6.0 V (6.5 V)
Supply Current Typ. 0.5 µA (R3112x27xA/C, VDD=2.6V)
Detector Threshold Range 0.9 V to 5.0 V (0.1V steps)
Built-in Output Delay Circuit Typ. 100 ms with an external capacitor: 0.022 µF
Detector Threshold Accuracy ±2.0%
Temperature-Drift Coefficient of Detector Threshold Typ. ±100 ppm/°C
Output Types Nch Open Drain and CMOS
Packages SON1612-6, SC-82AB, SOT-23-5

TIMING CHART

R3112xxxxA

R3112xxxxC

PIN DESCRIPTION

SON1612-61.6 mm × 1.6 mm

SON1612-6

1 OUT
2 GND
3 CD
4 NC
5 GND
6 VDD
SC-82AB2.0 mm × 2.1 mm

SC-82AB

1 VDD
2 GND
3 CD
4 OUT
SOT-23-52.9 mm × 2.8 mm

SOT-23-5

1 OUT
2 VDD
3 GND
4 NC
5 CD

R3112 Series for Consumer

APPLICATIONS

  • CPU and Logic Circuit Reset
  • Battery Checker
  • Window Comparator
  • Wave Shaping Circuit
  • Battery Back-up Circuit
  • Power Failure Detector

SELECTION GUIDE

The package type, the detector threshold, and the output type for the ICs can be selected at the users’ request.

Product Name   Package Quantity per Reel
R3112Dxx1#-TR-FE Consumter SON1612-6 4,000
R3112Qxx1#-TR-FE Consumter SC-82AB 3,000
R3112Nxx1#-TR-FE Consumter SOT-23-5 3,000
  • xx … The detector threshold can be designated in the range from 0.9V(09) to 5.0V(50) in 0.1V steps.
  • # … Designation of Output Type
    A: Nch Open Drain
    C: CMOS

DOCUMENT/CONTACT

Purchase

Technical Support

Package *1 Marking Reliability *2
SON1612-6 R3112D R3112D (-FE)
SC-82AB R3112Qxx1 R3112Qxx1 (-FE)
SOT-23-5 R3112N R3112N (-FE)

*1: The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and land pattern (foot pattern).
*2: Reliability file includes a reliability test report and a reflow profile.

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