UC2855BDW
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- Mfr.Part #
- UC2855BDW
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC PFC CTR AVERAGE 500KHZ 20SOIC
- Stock
- 1,624
- In Stock ：
- 1,624
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- Manufacturer :
- Texas Instruments
- Product Category :
- PFC (Power Factor Correction)
- Thickness :
- 2.35mm
- Peak Reflow Temperature (Cel) :
- 260
- Radiation Hardening :
- No
- Surface Mount :
- yes
- Operating Temperature :
- -40°C~85°C
- Number of Terminations :
- 20
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Base Part Number :
- UC2855
- Input Voltage (Max) :
- 35V
- RoHS Status :
- ROHS3 Compliant
- Pbfree Code :
- yes
- Width :
- 7.5mm
- Mounting Type :
- Surface Mount
- Lead Free :
- Lead Free
- Number of Pins :
- 20
- ECCN Code :
- EAR99
- Number of Functions :
- 1
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Terminal Position :
- Dual
- Input Voltage-Nom :
- 18V
- Frequency :
- 500kHz
- Weight :
- 569.003279mg
- JESD-609 Code :
- e4
- Length :
- 12.8mm
- Packaging :
- Tube
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Pin Count :
- 20
- Mode :
- Average Current
- Current - Startup :
- 150μA
- Lifecycle Status :
- ACTIVE (Last Updated: 1 week ago)
- Factory Lead Time :
- 6 Weeks
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- Height :
- 2.65mm
- Voltage - Supply :
- 10.5V~20V
- Max Supply Current :
- 25mA
- Switcher Configuration :
- Boost
- Number of Outputs :
- 1
- Terminal Form :
- Gull wing
- REACH SVHC :
- No SVHC
- Control Technique :
- PULSE WIDTH MODULATION
- Operating Supply Current :
- 17mA
- Datasheets
- UC2855BDW
PFC Texas Instruments UC2855BDW Overview
The PFC Texas Instruments UC2855BDW is a high-performance IC designed for average current mode power factor correction (PFC). This sophisticated controller operates at a frequency up to 500 kHz and is housed in a 20-SOIC package, making it ideal for compact applications that require efficient power management. The UC2855BDW integrates seamlessly into various power systems to enhance efficiency, reduce power loss, and ensure environmental compliance by correcting electrical power factors. Its high switching frequency allows for smaller-sized passive components, thereby reducing overall system size and improving thermal performance.
UC2855BDW Features
The UC2855BDW boasts several key features making it a top choice for demanding applications. These include an average current mode control for improved noise immunity and predictable performance, a programmable maximum duty cycle, and under-voltage lockout with hysteresis. Additionally, its enhanced control methodology facilitates lower THD (Total Harmonic Distortion) and higher power efficiency, crucial for energy-sensitive designs.
UC2855BDW Applications
- AC-DC Power Supplies: The UC2855BDW is used in server power supplies and telecom power systems, where it improves power efficiency and reduces harmonic distortion across a wide range of load conditions.
- Industrial Power Systems: In industrial settings, this IC helps to maintain stable and efficient power delivery, crucial for machinery that operates at variable loads and requires consistent power quality.
- Consumer Electronics: For devices such as home appliances and audio/visual equipment, the UC2855BDW ensures that power is used more efficiently, thus enhancing the device's overall energy consumption profile and durability.
- LED Lighting: It controls the power supply for LED lighting systems, ensuring that the power factor is corrected to close to unity, which is essential for compliance with global energy consumption standards.
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