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UC3903J

UC3903J

UC3903J

Texas Instruments

15V18 Terminals 18-Pin UC3903 Voltage supervisor4 Channels Min 8V Max 40V

SOT-23

UC3903J Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Through Hole
Mounting Type Through Hole
Package / Case 18-CDIP (0.300, 7.62mm)
Number of Pins 18
Operating Temperature0°C~70°C TA
PackagingTube
Pbfree Code no
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 18
ECCN Code EAR99
Type Multi-Voltage Supervisor
Subcategory Power Management Circuits
Max Power Dissipation1W
Technology BIPOLAR
Terminal Position DUAL
Number of Functions 1
Supply Voltage 15V
Base Part Number UC3903
Output Open Drain or Open Collector
Pin Count18
Number of Channels 4
Max Supply Voltage40V
Min Supply Voltage8V
Power Dissipation1W
Max Supply Current 18mA
Adjustable Threshold YES
Quiescent Current7mA
Watchdog TimerNo
Reset Active Low
Number of Voltages Monitored4
Reset Timeout Adjustable/Selectable
Height Seated (Max) 5.08mm
Length 22.606mm
Width 7.62mm
RoHS StatusROHS3 Compliant
Lead Free Contains Lead
In-Stock:3133 items

UC3903J Product Details

UC3903J Overview


Power management is mounted through 18 terminals. Power management is packaged in a Tube way. In this IC power you will find 1 functions for you to refer to. Power management consists of 4 channels, each of which can be used independently. The purpose of this IC power is to provide you with a reference of 18-CDIP (0.300, 7.62mm) functions. It is a IC power that shares many benefits with other products from the Multi-Voltage Supervisor line. A supply voltage of 15V is used to conduct the PMIC chip. In a 4 supply voltage, the PMIC chip conducts. Through Hole mounts IC management. It is possible to subcategorize this power ic as a Power Management Circuits chip. Taking into account all of the pins, this power management has a total of 18. 18 pins are present on the power management system. It is recommended that Vsup should not be less than 8V for this IC power. There should be no more than 40V volts of supply voltage (Vsup) in this power management. Through Hole mounting is recommended. It is recommended to set the supervisor's temperature to this range: 0°C~70°C TA. When this power management system is in operation, it produces an output voltage of Open Drain or Open Collector. It is always advisable to use UC3903, the base supervisor number, when searching for similar PMICs from the manufacturer. At most, voltage supervisor can operate at a supply temperature of 18mA.

UC3903J Features


Multi-Voltage Supervisor type
Minimum supply voltage of 8V

UC3903J Applications


There are a lot of Texas Instruments UC3903J Voltage Supervisors applications.

  • Functional modules
  • Embedded computing
  • External alarm
  • Magnetic resonance imaging
  • Power distribution systems of operating room
  • Smart meter
  • Refrigeration
  • Solar power charger
  • Data storage applications
  • emergency room

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