Voltage Supervisors | FTL7522

Low ICCT Reset Timer with Fixed Delay and Reset Pulse

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Overview

The FTL7522 is a timer for resetting a mobile device where long reset times are needed. The long delay helps avoid unintended resets caused by accidental key presses. It has a fixed delay of 7.5 ±20% seconds. The DSR pin enables Test Mode operation by immediately forcing /RST1 LOW for factory testing.
The FTL7522 has one input for single-button resetting capability. The device has a single open-drain output with 0.5mA pull-down drive.
FTL7522 draws minimal ICC current when inactive and functions over a power supply range of 1.65V to 5.0V.
The FTL7522 low-ICCT feature enables direct interface with lower-voltage chipsets without needing external translation, while maintaining low power consumption.

  • This product is general usage and suitable for many different applications.
  • Fixed Reset Delay: 7.5 Seconds
  • Expanded VIH Input Range Allows Direct Interface to Lower Voltage Chips, (No Translator Needed)
  • Low ICCT Feature Saves Power when Interfacing with Low-Voltage Chips
  • One Input Reset Pin
  • Open-Drain Output Pin with Fixed 400ms Pulse
  • 1.8V to 5.0V Operation (TA=-40°C to +85°C)
  • 1.7V to 5.0V Operation (TA=-25°C to +85°C)
  • 1.65V to 5.0V Operation (TA=0°C to +85°C)
  • <1µA ICCQ Consumption
  • Zero-Second Test Mode Enable

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