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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The ICL7673CPAZ is a monolithic CMOS Battery Backup Switch 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. In many applications this circuit will represent a low insertion voltage loss between the supplies and load. This circuit 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.
Automatically connects output to the greater of either input supply voltage
In case main power to external equipment is lost, circuit will automatically connect battery backup
Reconnects main power when restored
Logic indicator signalling status of main power
Low impedance connection switches
low internal power consumption
Low Leakage between Inputs
External transistors may be added if very large currents need to be switched

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ICL7673CPAZ Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	8 Pin
Case/Package	PDIP-8
Supply Voltage (DC)	2.50V (min)
Number of Outputs	1 Output
Input Voltage (DC)	15.0 V
Output Voltage	18 V
Output Current	38 mA
Supply Current	1.5 µA
Number of Positions	8 Position
Number of Bits	1 Bit
Output Current (Max)	38 mA
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	2.5V ~ 15V
Supply Voltage (Max)	15 V
Supply Voltage (Min)	2.5 V
Input Voltage	2.5.15 V
	Show
Size-Length	10.16 mm
Size-Width	7.11 mm
Size-Height	4.95 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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