UC3855BN
- Mfr.Part #
- UC3855BN
- Manufacturer
- Texas Instruments
- Package / Case
- 20-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC PFC CTR AV CURR 500KHZ 20DIP
- Stock
- 2,496
- In Stock :
- 2,496
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- Manufacturer :
- Texas Instruments
- Product Category :
- PFC (Power Factor Correction)
- Lead Free :
- Lead Free
- Terminal Position :
- Dual
- Pbfree Code :
- yes
- JESD-609 Code :
- e4
- Switcher Configuration :
- Boost
- Current - Startup :
- 150μA
- RoHS Status :
- ROHS3 Compliant
- Max Supply Current :
- 25mA
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Termination :
- Through Hole
- Supply Voltage :
- 18V
- Factory Lead Time :
- 6 Weeks
- Frequency :
- 500kHz
- Max Input Voltage :
- 3.1V
- Max Output Voltage :
- 12.8V
- Pin Count :
- 20
- Mounting Type :
- Through Hole
- Max Output Current :
- 1.5A
- Packaging :
- Tube
- Mode :
- Average Current
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Input Voltage-Nom :
- 18V
- Number of Terminations :
- 20
- Output Voltage :
- 12.8V
- Width :
- 6.35mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Surface Mount :
- No
- Base Part Number :
- UC3855
- Operating Temperature :
- 0°C~70°C
- ECCN Code :
- EAR99
- Operating Supply Current :
- 17mA
- Thickness :
- 4.57mm
- Package / Case :
- 20-DIP (0.300, 7.62mm)
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Functions :
- 1
- Number of Pins :
- 20
- Voltage - Supply :
- 10.5V~20V
- Number of Outputs :
- 2
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- Height :
- 5.08mm
- Length :
- 24.33mm
- REACH SVHC :
- No SVHC
- Radiation Hardening :
- No
- Datasheets
- UC3855BN

PFC Texas Instruments UC3855BN Overview
The PFC Texas Instruments UC3855BN is a high-performance IC designed for advanced power factor correction (PFC) applications. This integrated circuit is engineered to manage average current mode control in power supplies, enhancing energy efficiency and reducing power loss. Operating at a frequency of up to 500 kHz, the UC3855BN significantly improves the power system's response to variations in load and input voltage. Its robust design housed in a 20-pin DIP package ensures reliability and ease of integration into various electronic assemblies, making it an essential choice for manufacturers looking to optimize power usage and performance in their systems.
UC3855BN Features
- High frequency operation up to 500 kHz allows for smaller component sizes, reducing physical footprint and improving power density.
- Average current mode control for more accurate power delivery and enhanced system stability.
- Designed in a standard 20-pin DIP package, facilitating ease of use and standardization across multiple applications.
- Robust design suitable for demanding applications, ensuring reliability and longevity of the product.
UC3855BN Applications
- Telecommunications Equipment: Enhances power quality and efficiency in power supplies for telecom infrastructures, reducing operational costs and improving reliability.
- Industrial Systems: Used in the power systems of industrial machinery to ensure stable and efficient operation, even with fluctuating loads and input conditions.
- Consumer Electronics: Applies to high-performance power supplies in consumer electronics, providing stable power to enhance the lifespan and functionality of devices.
- Renewable Energy Systems: Ideal for integration into renewable energy systems like solar inverters, where efficient power conversion is critical for maximizing energy output.
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