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