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CAT1021WI-45

CAT1021WI-45

CAT1021WI-45

ON Semiconductor

5V 8 Terminals 8-Pin Voltage supervisor 1 Channels Min 2.7V Max 5.5V

SOT-23

CAT1021WI-45 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case SOIC
Surface MountYES
Number of Pins 8
JESD-609 Code e3
Pbfree Code yes
Number of Terminations 8
Terminal Finish MATTE TIN
Max Operating Temperature85°C
Min Operating Temperature -40°C
Technology CMOS
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Time@Peak Reflow Temperature-Max (s) 40
Pin Count8
Qualification StatusNot Qualified
Temperature GradeINDUSTRIAL
Number of Channels 1
Max Supply Voltage5.5V
Min Supply Voltage2.7V
Analog IC - Other Type POWER SUPPLY MANAGEMENT CIRCUIT
Power Dissipation-Max 1W
Operating Supply Current 3mA
Adjustable Threshold NO
Number of Voltages Monitored1
Undervoltage Threshold4.5V
Overvoltage Threshold4.75V
Length 4.9mm
Width 3.9mm
RoHS StatusRoHS Compliant
In-Stock:3176 items

CAT1021WI-45 Product Details

CAT1021WI-45 Overview


As far as the mounting terminals of this voltage supervisor are concerned, it has 8 in total. In this IC power you will find 1 functions for you to refer to. Depending on the power managment ic you are looking at, you can find a total of 1 channels. In this IC management you will find SOIC functions for you to refer to. In order to ensure a good reflow performance, the package peak reflow temperature must be set at 260. A supply voltage of 5V is used to conduct the PMIC chip. A supply voltage of 1 is used to conduct the PMIC chip. In total, the power management has 8 pins in it. This power management system has 8 pins. A voltage (Vsup) that doesn't fall below 2.7V as the minimum supply voltage (Vsup) should be applied to this IC power in order to ensure its proper operation. The supply voltage (Vsup) should not exceed 5.5V volts in this IC power. In order to maintain a stable supply current for the power management, 3mA is the recommended value. Besides the IC types mentioned above, the power management system also includes other types such as POWER SUPPLY MANAGEMENT CIRCUIT.

CAT1021WI-45 Features


Minimum supply voltage of 2.7V
3mA operating supply current


CAT1021WI-45 Applications


There are a lot of ON Semiconductor
CAT1021WI-45 Voltage Supervisors applications.


  • External alarm
  • Display equipment
  • DC stabilized power supply module
  • Insulation fault location system
  • Magnetic resonance imaging
  • Stable power system
  • Sensitive sensors
  • Efficient information transmission
  • Functional modules
  • Consumer electronics

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