VDD471LCTA Datasheet

Low voltage, Low power, ±1% High detect accuracy CMOS Voltage Detector with Delay circuit


The VDD series are delay circuit built-in voltage detectors with low voltage, low power consumption and high accuracy. The accuracy of the detection voltage is detected based on a voltage reference of high accuracy that the temperature coefficient is controlled. The detection voltage is made in high accuracy by using the laser trimming technology. Because the delay circuit is built-in, delay time can be set without any external components.

• Detection voltage range ·························· 1.8V~6.0V (selectable with a step of 0.1V)
• Operating voltage range ·························· 0.7V~6.0V
• High accuracy detection voltage ··················· ±1% (VDET=1.8V~6.0V)
• Detection voltage temperature characteristics ···· Typ. ±20ppm/°C (VDET=1.8V~6.0V)
• Delay time ······································· S/10~50ms, M/50~200ms, L/80~400ms
• Output types ····································· CMOS or N-channel open drain
• Low current consumption ·························· Typ. 0.6µA (VIN=1.5V)
• Operating temperature range ······················ –40°C ~ +85°C
• Small package ···································· SOT-23 (2.9×2.8×1.1mm)

• Reset of microprocessor
• Power-on reset of system
• Charge detection of battery
• Battery back-up of memory
• Monitoring of battery life time
• Delay circuit



Manufacturer information

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