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UC1903J

UC1903J

UC1903J

Texas Instruments

15V 18 Terminals 18-Pin Voltage supervisor 4 Channels Min 8V Max 40V

SOT-23

UC1903J Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Lifecycle Status ACTIVE (Last Updated: 5 days ago)
Package / Case CDIP
Surface MountNO
Number of Pins 18
Number of Terminations 18
ECCN Code EAR99
Max Operating Temperature125°C
Min Operating Temperature -55°C
HTS Code8542.39.00.01
Terminal Position DUAL
Terminal FormTHROUGH-HOLE
Number of Functions 1
Supply Voltage 15V
Terminal Pitch2.54mm
Pin Count18
Temperature GradeMILITARY
Number of Channels 4
Max Supply Voltage40V
Min Supply Voltage8V
Analog IC - Other Type POWER SUPPLY SUPPORT CIRCUIT
Power Dissipation-Max 1W
Power Dissipation1W
Max Supply Current 15mA
Adjustable Threshold YES
Quiescent Current7mA
Threshold Voltage 1.8
Height 5.08mm
Length 23.1mm
Width 6.92mm
Thickness 4.57mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead Free Contains Lead
In-Stock:2562 items

UC1903J Product Details

UC1903J Overview


As you can see, this power management is mounted through 18 terminals. To assist you, this IC power includes 1 functions. There are 4 channels available on this supervisor, and each channel has a different function. To assist you, this PMIC includes CDIP functions. When 15V is applied to the power ic, it conducts. It has a total of 18 pins that are attached to IC management. This power management has 18 pins. Supply voltage (Vsup) should be at least 8V for this power management. During this IC power, the maximum supply voltage (Vsup) should not exceed 40V volts. It also contains ICs of other kinds, such as POWER SUPPLY SUPPORT CIRCUIT, which are included in the power management. If you want to work with PMIC chip, you will need to supply PMIC chip with a temperature at least of 15mA.

UC1903J Features


Minimum supply voltage of 8V


UC1903J Applications


There are a lot of Texas Instruments
UC1903J Voltage Supervisors applications.


  • emergency room
  • Medical-specific isolation transformer
  • Medical-specific insulation monitor
  • Transformer load monitoring equipment
  • External alarm
  • Display equipment
  • DC stabilized power supply module
  • Insulation fault location system
  • Magnetic resonance imaging
  • Stable power system

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