UC3855ADWG4
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- Mfr.Part #
- UC3855ADWG4
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC PFC CTR AVERAGE 500KHZ 20SOIC
- Stock
- 4,660
- In Stock ：
- 4,660
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- Manufacturer :
- Texas Instruments
- Product Category :
- PFC (Power Factor Correction)
- Peak Reflow Temperature (Cel) :
- 260
- Height :
- 2.65mm
- RoHS Status :
- ROHS3 Compliant
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Operating Temperature :
- 0°C~70°C
- Weight :
- 569.003279mg
- JESD-609 Code :
- e4
- Input Voltage-Nom :
- 18V
- Factory Lead Time :
- 6 Weeks
- Lead Free :
- Lead Free
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Switcher Configuration :
- Boost
- Terminal Pitch :
- 1.27mm
- Pin Count :
- 20
- Current - Startup :
- 150μA
- Input Voltage (Min) :
- 15V
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- Mode :
- Average Current
- Length :
- 12.8mm
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Thickness :
- 2.35mm
- Input Voltage (Max) :
- 35V
- Number of Pins :
- 20
- Output Current-Max :
- 1.5A
- Max Supply Current :
- 25mA
- Mounting Type :
- Surface Mount
- Number of Functions :
- 1
- Number of Terminations :
- 20
- Pbfree Code :
- yes
- Frequency :
- 500kHz
- Radiation Hardening :
- No
- Packaging :
- Tube
- Voltage - Supply :
- 15.5V~20V
- HTS Code :
- 8542.39.00.01
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Base Part Number :
- UC3855
- Control Technique :
- PULSE WIDTH MODULATION
- ECCN Code :
- EAR99
- Surface Mount :
- yes
- Width :
- 7.5mm
- Datasheets
- UC3855ADWG4
PFC Texas Instruments UC3855ADWG4 Overview
The PFC Texas Instruments UC3855ADWG4 is an advanced Power Factor Correction (PFC) controller integrated circuit specifically designed for robust, high-performance power supply systems. Operating at a frequency of up to 500 kHz, this IC ensures efficient power management and conversion in various demanding applications. Its precision in maintaining an optimal power factor close to unity minimizes energy loss and improves the overall efficiency and reliability of electronic systems. With its integration in a 20-SOIC package, the UC3855ADWG4 combines compactness with high functionality, making it ideal for sophisticated, space-constrained power systems.
UC3855ADWG4 Features
This IC boasts several key features that make it an essential component in advanced power supply designs. These include its high frequency operation up to 500 kHz which facilitates smaller-sized passive components, thus reducing overall system size and cost. Additionally, the UC3855ADWG4 supports average current mode control for superior performance and response. Its built-in protections for over-voltage, under-voltage, and over-current conditions enhance system reliability and durability under various operating conditions.
UC3855ADWG4 Applications
- Telecommunications Equipment: In telecom power supplies, the UC3855ADWG4 helps to maintain efficient power usage, ensuring reliable operation and longevity of the communications infrastructure.
- Server Power Supplies: For server applications, this IC manages the power supply's efficiency, crucial for reducing heat generation and enhancing server performance under critical loads.
- Industrial Systems: In industrial applications, the UC3855ADWG4 controls the power factor to optimize electrical usage and reduce operational costs in equipment such as motor drives and automation systems.
- Consumer Electronics: Utilized in power supplies for consumer electronics, it ensures that devices such as home appliances and audio/visual equipment operate with enhanced power efficiency and safety.
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