UC3855ADWTR
- Mfr.Part #
- UC3855ADWTR
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC PFC CTR AVERAGE 500KHZ 20SOIC
- Stock
- 8,346
- In Stock :
- 8,346
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- Manufacturer :
- Texas Instruments
- Product Category :
- PFC (Power Factor Correction)
- Peak Reflow Temperature (Cel) :
- 260
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Packaging :
- Tape and Reel (TR)
- Pbfree Code :
- yes
- Input Voltage-Nom :
- 18V
- Base Part Number :
- UC3855
- Frequency :
- 500kHz
- Supply Current-Max (Isup) :
- 17mA
- JESD-609 Code :
- e4
- Input Voltage (Max) :
- 35V
- ECCN Code :
- EAR99
- Thickness :
- 2.35mm
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Height :
- 2.65mm
- Number of Functions :
- 1
- Terminal Form :
- Gull wing
- Lead Free :
- Lead Free
- Current - Startup :
- 150μA
- Surface Mount :
- yes
- Operating Temperature :
- 0°C~70°C
- Pin Count :
- 20
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Mode :
- Average Current
- Control Technique :
- PULSE WIDTH MODULATION
- RoHS Status :
- ROHS3 Compliant
- Number of Terminations :
- 20
- HTS Code :
- 8542.39.00.01
- Mounting Type :
- Surface Mount
- Radiation Hardening :
- No
- Switcher Configuration :
- Boost
- Factory Lead Time :
- 6 Weeks
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Number of Pins :
- 20
- Input Voltage (Min) :
- 15V
- Terminal Pitch :
- 1.27mm
- Weight :
- 569.003279mg
- Width :
- 7.5mm
- Voltage - Supply :
- 15.5V~20V
- Output Current-Max :
- 1.5A
- Length :
- 12.8mm
- Terminal Position :
- Dual
- Datasheets
- UC3855ADWTR
UC3855ADWTR Documents

PFC Texas Instruments UC3855ADWTR Overview
The PFC Texas Instruments UC3855ADWTR is a state-of-the-art integrated circuit designed for advanced power factor correction applications. Optimized to improve the efficiency of power systems, this IC utilizes average current mode control for precise power regulation, achieving an operational frequency of up to 500 kHz. With its compact 20SOIC package, the UC3855ADWTR is engineered for performance and reliability, making it an ideal choice for high-performance power management solutions. The use of this IC ensures reduced power loss and enhanced system stability, essential for demanding electrical environments.
UC3855ADWTR Features
The UC3855ADWTR includes several key features that distinguish it from other power management devices:
- High Frequency Operation up to 500 kHz, enabling efficient power conversion and smaller passive components.
- Average Current Mode Control provides accurate power control and simplifies system design.
- Integrated 20SOIC package offers a compact solution for space-constrained applications.
- Designed by Texas Instruments, a leader in semiconductor solutions, ensuring reliability and performance.
UC3855ADWTR Applications
- Server Power Supplies: Enhances power efficiency and reduces operational costs in data centers by improving the power factor of server power supplies.
- Telecom Rectifiers: Used in telecommunications infrastructure to ensure stable and efficient power supply, mitigating power quality issues.
- Industrial Power Systems: Optimizes power usage in industrial applications, leading to increased machinery efficiency and lower energy consumption.
- Consumer Electronics: Applies in power supply units for consumer electronics, providing safer and more efficient power management.
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