Ricoh R3121N Voltage Detectors are 36V maximum input voltage detectors with release delay function for automotive applications. These R3121N voltage detectors perform highly accurate voltage detection with ±1.5% detector threshold accuracy at Ta = 25°C. The voltage detectors offer selectable options of VDD pin detection, SENSE pin detection, and VDD pin detection without hysteresis. These voltage detectors adjust the release delay time (Power-on Reset time) by connecting external capacitors and reduces the mounting area by using the SOT-23-6 package.
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