Watchdog Timer Equipped with Inhibit Pin with VD
The R5106 Series are CMOS-based system power ICs with a voltage detector (VD) and watchdog timer (WDT) integrated in a single chip. R5106 monitors the power system of devices equipped with microprocessors and prevents system runaway with a reset signal when a malfunction occurs. The output delay time of the VD and watchdog timeout period/reset time can be adjusted high accuracy by an external capacitor. The R5106 is equipped with the function that inhibits clock monitoring of the WDT (INH).
Consumer Industrial Automotive Input Voltage Range 0.9 V to 6.0 V (7.0 V) Operating Temperature Range -40°C to 105°C (125°C) -40°C to 125°C (150°C) -40°C to 125°C (150°C)
-40°C to 105°C (150°C)
Supply Current Typ. 11 µA Timeout Period Typ. 310 ms (CT = 0.1 µF) Timeout Period Accuracy ±33% Reset Time Typ. 34 ms (CT = 0.1 µF) Package SOT-23-6 VD Detector Threshold Range 1.5 V to 5.5 V (0.1 V step) VD Detector Threshold Accuracy ±1.0% VD Detector Threshold Temperature Coefficient Typ. ±100 ppm/°C VD Release Output Delay Time Typ. 370 ms (CT = 0.1 µF) VD Release Delay Time Accuracy ±16% ±18% ±16% (−40°C ≤ Ta ≤ 105°C)
±18% (−40°C ≤ Ta ≤ 125°C)
- Refer to the datasheets for the details on the product.
- The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
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