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ICL7673 Datasheet Automatic Battery Back-Up Switch

Manufacturer: Renesas

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Overview

ICL7673 Automatic Battery Back-Up Switch The Intersil ICL7673 is a monolithic CMOS battery backup circuit that offers unique performance advantages over conventional means of switching to a backup supply.

The ICL7673 is intended as a low-cost solution for the switching of systems between two power supplies; main and battery backup.

The main application is keep-alive-battery power switching for use in volatile CMOS RAM memory systems and real time clocks.

Key Features

  • low current consumption, wide operating voltage range, and exceptionally low leakage between inputs. Logic outputs are provided that can be used to indicate which supply is connected and can also be used to increase the power switching capability of the circuit by driving external PNP transistors. Ordering Information PART NUMBER TEMP. RANGE (°C).

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