UC3861DW
- Mfr.Part #
- UC3861DW
- Manufacturer
- Unitrode
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SW MULT TOP 16SOIC
- Stock
- 1
- In Stock :
- 1
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- Manufacturer :
- Unitrode
- Product Category :
- AC DC Converters, Offline Switches
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Weight :
- 473.692182mg
- Output Isolation :
- Non-Isolated
- JESD-609 Code :
- e4
- Number of Terminations :
- 16
- Number of Pins :
- 16
- Number of Outputs :
- 2
- Internal Switch(s) :
- yes
- Supply Voltage :
- 12V
- Radiation Hardening :
- No
- Terminal Position :
- Dual
- RoHS Status :
- ROHS3 Compliant
- Surface Mount :
- yes
- Duty Cycle :
- 100 %
- Frequency :
- 450kHz
- Thickness :
- 2.35mm
- Control Mode :
- VOLTAGE-MODE
- Length :
- 10.3mm
- Lead Free :
- Lead Free
- Width :
- 7.5mm
- Output Voltage :
- 1.7V
- ECCN Code :
- EAR99
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Mounting Type :
- Surface Mount
- Control Features :
- Soft Start
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Peak Reflow Temperature (Cel) :
- 260
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Voltage - Start Up :
- 16.5V
- Output Current :
- 200mA
- Terminal Form :
- Gull wing
- Rise Time :
- 25ns
- Control Technique :
- RESONANT CONTROL
- Input Voltage-Nom :
- 12V
- Max Duty Cycle :
- 50 %
- Base Part Number :
- UC3861
- Topology :
- Full-Bridge, Half-Bridge, Push-Pull
- Height :
- 2.65mm
- Number of Functions :
- 1
- Frequency - Switching :
- 10kHz~1MHz
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Voltage - Supply (Vcc/Vdd) :
- 10.5V~22V
- Fall Time (Typ) :
- 25 ns
- Input Voltage (Min) :
- 11.5V
- Factory Lead Time :
- 6 Weeks
- Packaging :
- Tube
- Pbfree Code :
- yes
- Operating Temperature :
- 0°C~70°C TA
- Datasheets
- UC3861DW

AC DC Converters Unitrode UC3861DW Overview
Introducing the UC3861DW, a cutting-edge Integrated Circuit (IC) from Unitrode designed for offline switch mode power supplies. With its multifaceted capabilities and top-notch performance, this IC is the ideal solution for various power conversion applications. Whether you're designing power adapters, chargers, or industrial power supplies, the UC3861DW delivers unmatched efficiency and reliability.
Featuring advanced technology and robust construction, this IC sets the standard for excellence in power management. Its versatile design allows for seamless integration into a wide range of systems, making it a preferred choice among professionals in the electronics industry.
UC3861DW Features
- Offline switch mode power supply controller
- Multipurpose topology for enhanced flexibility
- Compact 16SOIC package for space-saving designs
- High efficiency and low standby power consumption
- Wide input voltage range for versatility
- Overcurrent and overvoltage protection for added reliability
UC3861DW Applications
- Power Adapters: The UC3861DW excels in powering various electronic devices such as laptops, smartphones, and tablets. Its efficient design ensures optimal energy conversion, reducing wasted power and enhancing overall performance.
- Chargers: Utilize the UC3861DW in charger circuits for electric vehicles, mobile phones, and other battery-powered devices. Its advanced features, including overcurrent and overvoltage protection, safeguard against potential damage, providing peace of mind to users.
- Industrial Power Supplies: In industrial settings, the UC3861DW plays a crucial role in maintaining stable power delivery to machinery and equipment. Its robust construction and wide input voltage range make it suitable for demanding applications, ensuring uninterrupted operation.
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