UC3853N
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- Mfr.Part #
- UC3853N
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC PFC CTR AVER CURR 94KHZ 8DIP
- Stock
- 23,521
- In Stock ：
- 23,521
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- Manufacturer :
- Texas Instruments
- Product Category :
- PFC (Power Factor Correction)
- Nominal Supply Current :
- 10mA
- Pin Count :
- 8
- Operating Supply Current :
- 10mA
- Voltage - Supply :
- 12V~40V
- Supply Voltage-Max (Vsup) :
- 40V
- Mounting Type :
- Through Hole
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Output Voltage :
- 17.5V
- Input Voltage-Nom :
- 16V
- RoHS Status :
- ROHS3 Compliant
- Base Part Number :
- UC3853
- Pbfree Code :
- yes
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Switcher Configuration :
- Single
- Terminal Pitch :
- 2.54mm
- Input Voltage (Max) :
- 40V
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- Control Technique :
- PULSE WIDTH MODULATION
- Mode :
- Average Current
- Number of Functions :
- 1
- Surface Mount :
- No
- Weight :
- 528.605208mg
- Frequency - Switching :
- 56kHz~94kHz
- REACH SVHC :
- No SVHC
- Lead Free :
- Lead Free
- Radiation Hardening :
- No
- Factory Lead Time :
- 6 Weeks
- ECCN Code :
- EAR99
- Height :
- 5.08mm
- Terminal Position :
- Dual
- Frequency :
- 75kHz
- JESD-609 Code :
- e4
- Number of Pins :
- 8
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Number of Outputs :
- 1
- Lifecycle Status :
- ACTIVE (Last Updated: 10 hours ago)
- Packaging :
- Tube
- Thickness :
- 3.9mm
- Length :
- 9.81mm
- Operating Temperature :
- 0°C~70°C
- Max Supply Current :
- 500μA
- Number of Terminations :
- 8
- Current - Startup :
- 250μA
- Width :
- 6.35mm
- Output Current-Max :
- 0.5A
- Datasheets
- UC3853N
PFC Texas Instruments UC3853N Overview
The UC3853N by Texas Instruments is an advanced Power Factor Correction (PFC) controller, specifically designed for the efficient management of power supplies. This integrated circuit is engineered to enhance power efficiency, achieving near-unity power factor in a wide range of electrical applications. The UC3853N operates at a frequency of 94 kHz, housed in an 8-pin DIP package, making it suitable for compact designs that require reliable power factor correction. The high-frequency operation also minimizes the size of passive components, reducing overall system cost and improving system reliability.
UC3853N Features
This IC is designed to deliver precise average current mode control, facilitating reduced power loss and improved thermal management. It supports a broad operating voltage range, ensuring versatility across different power systems. The UC3853N's built-in features include under-voltage lockout, over-voltage protection, and a programmable soft start function, which enhances the performance by preventing system stress during startup.
UC3853N Applications
- Consumer Electronics: Utilized in televisions and audio systems to improve energy efficiency and reduce harmonic distortion.
- Industrial Systems: Essential in industrial power supplies to stabilize and correct the power factor, leading to enhanced efficiency and compliance with global power standards.
- Lighting Systems: Applied in LED and fluorescent lighting fixtures to optimize power usage and extend the lifespan of the lighting components.
- Telecommunications Equipment: Helps in managing power factors in telecom power supplies, crucial for maintaining system reliability and performance in communication infrastructures.
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