TI TL7705BCD Power Supply Voltage Supervisor 5V SOIC8

Manufactured by Texas Instruments - SOIC8 SMD Package

DESCRIPTION

The TL77xxA family of integrated-circuit supply-voltage supervisors is designed specifically for use as reset controllers in microcomputer and microprocessor systems. The supply-voltage supervisor monitors the supply for undervoltage conditions at the SENSE input. During power up, the ¬RESET output becomes active (low) when V_CC attains a value approaching 3.6 V. At this point (assuming that SENSE is above V_IT+), the delay timer function activates a time delay, after which outputs ¬RESET and RESET go inactive (high and low, respectively).
When an undervoltage condition occurs during normal operation, ¬RESET and RESET go active. To ensure that a complete reset occurs, the reset outputs remain active for a time delay after the voltage at the SENSE input exceeds the positive-going threshold value. The time delay is determined by the value of the external capacitor CT: td = 1.3 × 104 × CT, where CT is in farads (F) and td is in seconds (s).

FEATURES

• Power-On Reset Generator
• Automatic Reset Generation After Voltage Drop
• Wide Supply-Voltage Range
• Precision Voltage Sensor
• Temperature-Compensated Voltage Reference
• True and Complement Reset Outputs
• Externally Adjustable Pulse Duration