UC3855ADWG4
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- Mfr.Part #
- UC3855ADWG4
- Manufacturer
- Unitrode
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- UC3855A HIGH PERFORMANCE POWER F
- Stock
- 4,660
- In Stock ：
- 4,660
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- Manufacturer :
- Unitrode
- Product Category :
- PFC (Power Factor Correction)
- Mounting Type :
- Surface Mount
- Height :
- 2.65mm
- Number of Terminations :
- 20
- Base Part Number :
- UC3855
- Width :
- 7.5mm
- JESD-609 Code :
- e4
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- Pbfree Code :
- yes
- Terminal Pitch :
- 1.27mm
- Frequency :
- 500kHz
- Output Current-Max :
- 1.5A
- RoHS Status :
- ROHS3 Compliant
- Pin Count :
- 20
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Peak Reflow Temperature (Cel) :
- 260
- Input Voltage (Min) :
- 15V
- Operating Temperature :
- 0°C~70°C
- Input Voltage (Max) :
- 35V
- Current - Startup :
- 150μA
- Radiation Hardening :
- No
- Number of Functions :
- 1
- Input Voltage-Nom :
- 18V
- Terminal Position :
- Dual
- ECCN Code :
- EAR99
- Terminal Form :
- Gull wing
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Mode :
- Average Current
- Thickness :
- 2.35mm
- Factory Lead Time :
- 6 Weeks
- Control Technique :
- PULSE WIDTH MODULATION
- Packaging :
- Tube
- Length :
- 12.8mm
- Number of Pins :
- 20
- Lead Free :
- Lead Free
- Surface Mount :
- yes
- Voltage - Supply :
- 15.5V~20V
- Max Supply Current :
- 25mA
- Switcher Configuration :
- Boost
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- HTS Code :
- 8542.39.00.01
- Weight :
- 569.003279mg
- Datasheets
- UC3855ADWG4
PFC Unitrode UC3855ADWG4 Overview
The PFC Unitrode UC3855ADWG4 is a high-performance power factor correction controller designed to optimize power systems in terms of efficiency and energy consumption. This cutting-edge IC integrates multiple features to enhance system reliability and operational robustness, making it a top choice for engineers and designers looking to improve power supply performance. Its implementation in critical power applications helps minimize losses and enhance power quality, which is crucial for reducing operational costs and improving equipment longevity.
UC3855ADWG4 Features
The UC3855ADWG4 from Unitrode is engineered with several key features that make it stand out in power management technology. It includes programmable soft start, minimizing inrush current and thereby protecting other circuit components during startup. Additionally, its built-in over-voltage protection ensures that the power supply remains stable and secure under varying electrical conditions. The device also supports a wide operating voltage range, making it versatile for high-performance applications across different power levels.
UC3855ADWG4 Applications
- Telecommunications Equipment: The UC3855ADWG4 is used in telecommunications infrastructure to maintain stable and efficient power supply, crucial for uninterrupted service and reliability.
- Industrial Systems: In industrial applications, this IC helps to regulate and correct the power factor of heavy machinery, thereby enhancing energy efficiency and reducing the overall environmental footprint of industrial operations.
- Consumer Electronics: For consumer electronics, the UC3855ADWG4 optimizes power usage in devices such as televisions and computers, ensuring they operate efficiently without sacrificing performance.
- Renewable Energy Systems: It is also employed in renewable energy installations, like solar inverters, where it enhances energy conversion efficiency and stability, contributing to more effective power utilization.
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