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UC3903DWTRG4

UC3903DWTRG4

UC3903DWTRG4

Texas Instruments

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

SOT-23

UC3903DWTRG4 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case SOIC
Surface MountYES
Number of Pins 18
JESD-609 Code e4
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 18
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature70°C
Min Operating Temperature 0°C
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 15V
Terminal Pitch1.27mm
Pin Count18
Temperature GradeCOMMERCIAL
Number of Channels 4
Max Supply Voltage40V
Min Supply Voltage8V
Analog IC - Other Type POWER SUPPLY SUPPORT CIRCUIT
Power Dissipation-Max 1W
Operating Supply Current 7mA
Power Dissipation1W
Max Supply Current 18mA
Adjustable Threshold YES
Quiescent Current7mA
Reset Active Low
Voltage - Threshold 2.5V
Number of Voltages Monitored4
Length 11.55mm
Height Seated (Max) 2.65mm
Width 7.5mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead Free Lead Free
In-Stock:3850 items

UC3903DWTRG4 Product Details

UC3903DWTRG4 Overview


Power management is mounted through 18 terminals. Power management is possible to find a series of 1 functions. A series of 4 channels can be found on this supervisor. IC management is packaged as a SOIC package. The package peak reflow temperature is specified to be 260. The supervisor is always powered by a 15V volt supply. IC management is possible to find a succession of 4 voltages that have been checked. Power management has a total of 18 pins. The pins of the power management system count 18. IC management can only work with a supply voltage of 8V volts. In this PMIC, the maximum supply voltage (Vsup) should not exceed 40V volts. The supervisor's supply current is specified to 7mA. Other IC kinds, such as POWER SUPPLY SUPPORT CIRCUIT are included in the power management system. Voltage supervisor can work with a supply temperature of 18mA at the most.

UC3903DWTRG4 Features


Minimum supply voltage of 8V
7mA operating supply current


UC3903DWTRG4 Applications


There are a lot of Texas Instruments
UC3903DWTRG4 Voltage Supervisors applications.


  • Power distribution systems of operating room
  • Power distribution systems of infant care room
  • Power distribution systems of ICU
  • Power distribution systems of CCU
  • emergency room
  • Medical-specific isolation transformer
  • Medical-specific insulation monitor
  • Transformer load monitoring equipment
  • External alarm
  • Display equipment

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