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Description
The R3111Q321C-TR is a CMOS-based voltage detector IC designed for usage as a system reset for CPUs and logical circuits, battery checkers, and other related applications. This IC has a high detector threshold accuracy and ultra-low supply current, which enables it to be operated at an extremely low voltage. The detector threshold is fixed with high accuracy internally and does not require any adjustment. The R3111x series consist of a voltage reference unit, a comparator, resistors for detector threshold setting, an output driver and a hysteresis circuit. It is capable of being operated at a lower voltage than that for the Rx5VL series, and can be driven by a single battery. Six types of packages, TO-92, SOT-89, SOT-23-3, SOT-23-5, SC-82AB, and SON1612-6 are available to ensure compatibility with a wide variety of devices.
Specifications and features
- Supply Current: Typ. 0.8µA (VDD=1.5V)
- Range of Operating Voltage: 0.7V to 10.0V (Topt=25°C)
- Detector Threshold: 0.9V to 6.0V
- Accuracy Detector Threshold: ±2.0%
- Temperature-Drift Coefficient of Detector Threshold: Typ. ±100ppm/°C
- Output Types: Nch Open Drain “L”, Nch Open Drain “H”, and CMOS
- Packages: TO-92, SOT-89, SOT-23-3, SOT-23-5, SC-82AB, SON1612-6
Application Scenarios
The R3111Q321C-TR voltage detector IC is suitable for the following applications:
- CPU and Logic Circuit Reset
- Battery Checker
- Window Comparator
- Wave Shaping Circuit
- Battery Back-up Circuit
- Power Failure Detector
Comparison
Advantages- High detector threshold accuracy
- Ultra-low supply current
- Capable of being operated at an extremely low voltage
- Six types of packages available to ensure wide compatibility
Disadvantages- None known at this time
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Datasheet
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- Datasheet: Download R3111Q321C-TR
- Chipdatas Part: CD92-R3111Q321C-TR
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- Last Updated: 2024/10/01 09:51 +0800
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