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UC2903NG4

UC2903NG4

UC2903NG4

Texas Instruments

15V18 Terminals 18-Pin UC2903 Voltage supervisor4 Channels Min 8V Max 40V

SOT-23

UC2903NG4 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Through Hole
Package / Case 18-DIP (0.300, 7.62mm)
Surface MountNO
Number of Pins 18
Operating Temperature-40°C~85°C TA
PackagingTube
JESD-609 Code e4
Pbfree Code no
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 18
ECCN Code EAR99
Type Multi-Voltage Supervisor
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory Power Management Circuits
Max Power Dissipation1W
Technology BIPOLAR
Terminal Position DUAL
Number of Functions 1
Supply Voltage 15V
Base Part Number UC2903
Output Open Drain or Open Collector
Pin Count18
Number of Channels 4
Max Supply Voltage40V
Min Supply Voltage8V
Operating Supply Current 7mA
Power Dissipation1W
Max Supply Current 15mA
Adjustable Threshold YES
Quiescent Current7mA
Watchdog TimerNo
Reset Active Low
Number of Voltages Monitored4
Reset Timeout Adjustable/Selectable
Height 4.57mm
Length 22.48mm
Width 6.35mm
RoHS StatusROHS3 Compliant
Lead Free Contains Lead
In-Stock:2661 items

UC2903NG4 Product Details

UC2903NG4 Overview


There are 18 mounting terminals on the voltage supervisor, each of which has a different function. Packaged in a Tube-shape, IC management comes with a number of features. Power management is possible to find a series of 1 functions. A series of 4 channels can be found on this supervisor. For your reference, this PMIC includes a list of 18-DIP (0.300, 7.62mm) functions. There are many benefits that this IC power shares with other Multi-Voltage Supervisor products as well. Manage ics operate at 15V supply voltages. Power ics operate at 4 supply voltages. There is a subcategory called Power Management Circuits for this power management. There are a total of 18 pins on power management. 18 pins are present on the power management system. Normally, the supply voltage (Vsup) for this PMIC should not be lower than 8V. There should be no more than 40V volts of supply voltage (Vsup) in this power management. Through Hole mounting is recommended. Temperature setting for the supervisors should be -40°C~85°C TA. As this power managment ic operates, it is able to produce an output voltage of Open Drain or Open Collector. There is a supply current of 7mA for the power management. It is always advisable to use UC2903, the base supervisor number, when searching for similar PMICs from the manufacturer. The maximum supply temperature is 15mA.

UC2903NG4 Features


Multi-Voltage Supervisor type
Minimum supply voltage of 8V
7mA operating supply current

UC2903NG4 Applications


There are a lot of Texas Instruments UC2903NG4 Voltage Supervisors applications.

  • Microcontroller system
  • Kitchen appliances
  • Power distribution systems of operating room
  • Urban rail transit weak current power monitoring
  • Satellite navigation
  • Utility meter
  • Fire equipment power monitoring system
  • DVR
  • Embedded computing
  • Unattended substation automation

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