UC3855ADWG4
- 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
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- PFC (Power Factor Correction)
- Max Supply Current :
- 25mA
- Pin Count :
- 20
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Number of Pins :
- 20
- Peak Reflow Temperature (Cel) :
- 260
- Pbfree Code :
- yes
- Width :
- 7.5mm
- Radiation Hardening :
- No
- Control Technique :
- PULSE WIDTH MODULATION
- Mounting Type :
- Surface Mount
- Packaging :
- Tube
- Base Part Number :
- UC3855
- Voltage - Supply :
- 15.5V~20V
- Current - Startup :
- 150μA
- Number of Terminations :
- 20
- Surface Mount :
- yes
- Operating Temperature :
- 0°C~70°C
- JESD-609 Code :
- e4
- Frequency :
- 500kHz
- Thickness :
- 2.35mm
- Switcher Configuration :
- Boost
- Weight :
- 569.003279mg
- Input Voltage (Min) :
- 15V
- Terminal Pitch :
- 1.27mm
- Input Voltage (Max) :
- 35V
- Output Current-Max :
- 1.5A
- Input Voltage-Nom :
- 18V
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- ECCN Code :
- EAR99
- Lead Free :
- Lead Free
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Length :
- 12.8mm
- Number of Functions :
- 1
- Terminal Form :
- Gull wing
- Mode :
- Average Current
- HTS Code :
- 8542.39.00.01
- Terminal Position :
- Dual
- Height :
- 2.65mm
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Factory Lead Time :
- 6 Weeks
- RoHS Status :
- ROHS3 Compliant
- 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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















