UC3903DWTR
- Mfr.Part #
- UC3903DWTR
- Manufacturer
- Texas Instruments
- Package / Case
- 18-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC SUPERVISOR 4 CHANNEL 18SOIC
- Stock
- 5,825
- In Stock :
- 5,825
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- Manufacturer :
- Texas Instruments
- Product Category :
- Supervisors
- RoHS Status :
- ROHS3 Compliant
- Thickness :
- 2.35mm
- Type :
- Multi-Voltage Supervisor
- Reset :
- Active Low
- Packaging :
- Tape and Reel (TR)
- Terminal Position :
- Dual
- Height :
- 2.65mm
- Lead Free :
- Lead Free
- Package / Case :
- 18-SOIC (0.295, 7.50mm Width)
- Number of Pins :
- 18
- Watchdog Timer :
- No
- Surface Mount :
- yes
- Terminal Form :
- Gull wing
- Terminal Pitch :
- 1.27mm
- Max Power Dissipation :
- 1W
- Threshold Voltage :
- 1.8
- Pin Count :
- 18
- Power Dissipation :
- 1W
- Number of Terminations :
- 18
- Factory Lead Time :
- 6 Weeks
- Pbfree Code :
- yes
- Supply Voltage :
- 15V
- Adjustable Threshold :
- yes
- Width :
- 7.5mm
- Number of Functions :
- 1
- Quiescent Current :
- 7mA
- ECCN Code :
- EAR99
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- JESD-609 Code :
- e4
- Operating Temperature :
- 0°C~70°C TA
- Number of Voltages Monitored :
- 4
- Peak Reflow Temperature (Cel) :
- 260
- Mounting Type :
- Surface Mount
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Max Supply Voltage :
- 40V
- Output :
- Open Drain or Open Collector
- Reset Timeout :
- Adjustable/Selectable
- Base Part Number :
- UC3903
- Operating Supply Current :
- 7mA
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Number of Channels :
- 4
- Length :
- 11.5mm
- Min Supply Voltage :
- 8V
- Max Supply Current :
- 18mA
- Datasheets
- UC3903DWTR

Supervisors Texas Instruments UC3903DWTR Overview
The Supervisors Texas Instruments UC3903DWTR is a state-of-the-art supervisory IC, designed to enhance the reliability and accuracy of power supply monitoring in complex electronic systems. Manufactured by Texas Instruments, a leader in semiconductor solutions, this IC is housed in an 18-SOIC package, making it ideal for space-constrained applications. Its primary function is to monitor up to four different supply voltages, ensuring that all system voltages remain within specified thresholds, thus safeguarding the system against power-related failures. The UC3903DWTR is an indispensable component for managing system power supplies efficiently and reliably, appealing to B2B customers looking for robust power management solutions.
UC3903DWTR Features
The UC3903DWTR boasts several key features that make it a vital addition to any power management system. It includes precise voltage monitoring capabilities, programmable delay options, and a reset function across all channels, which ensure that devices operate within safe voltage levels at all times. Additionally, its integrated watchdog timer enhances system reliability by resetting the processor in case of a software fault, which is crucial for mission-critical applications.
UC3903DWTR Applications
- Server Power Supplies: In server farms, the UC3903DWTR monitors multiple power rails, ensuring stable operation and minimizing the risk of data loss due to power fluctuations.
- Telecommunications Equipment: This IC supervises power conditions in telecom infrastructures, preventing malfunctions caused by voltage irregularities.
- Industrial Systems: The UC3903DWTR is used in industrial control systems to monitor power supply status, contributing to machinery safety and reliability.
- Medical Devices: It ensures that all medical devices operate within safe voltage limits, crucial for devices that rely on consistent power for accurate diagnostics and patient care.
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