UCC3819AD
- Mfr.Part #
- UCC3819AD
- Manufacturer
- Unitrode
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- UCC3819A BICMOS POWER FACTOR PRE
- Stock
- 24,218
- In Stock :
- 24,218
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- Manufacturer :
- Unitrode
- Product Category :
- PFC (Power Factor Correction)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Input Voltage-Nom :
- 12V
- Voltage - Supply :
- 10.8V~17V
- Factory Lead Time :
- 6 Weeks
- Packaging :
- Tube
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Thickness :
- 1.58mm
- ECCN Code :
- EAR99
- Number of Channels :
- 1
- Width :
- 3.91mm
- Switcher Configuration :
- Boost
- Height :
- 1.75mm
- Peak Reflow Temperature (Cel) :
- 260
- Max Supply Current :
- 6mA
- Weight :
- 141.690917mg
- Base Part Number :
- UCC3819
- Number of Functions :
- 1
- Frequency :
- 250kHz
- Output Current-Max :
- 4A
- Pin Count :
- 16
- Terminal Position :
- Dual
- Pbfree Code :
- yes
- JESD-609 Code :
- e4
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- RoHS Status :
- ROHS3 Compliant
- Supply Voltage :
- 12V
- Control Technique :
- PULSE WIDTH MODULATION
- Radiation Hardening :
- No
- Lead Free :
- Lead Free
- Number of Pins :
- 16
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Operating Temperature :
- 0°C~70°C
- Mode :
- Average Current
- Mounting Type :
- Surface Mount
- Number of Terminations :
- 16
- Length :
- 9.9mm
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Surface Mount :
- yes
- Terminal Form :
- Gull wing
- Current - Startup :
- 150μA
- Datasheets
- UCC3819AD

PFC Unitrode UCC3819AD Overview
The UCC3819AD from Unitrode is a state-of-the-art BiCMOS device designed specifically for power factor correction (PFC) applications. This integrated circuit is engineered to enhance power efficiency within AC to DC power conversion systems, minimizing power loss and improving overall system performance. The UCC3819AD excels in environments where power efficiency and reliability are critical. With its robust design and advanced technology, the UCC3819AD is perfect for businesses looking to optimize their power management systems, ensuring a harmonious balance between high performance and environmental sustainability.
UCC3819AD Features
The UCC3819AD incorporates numerous features that make it a top choice for power management solutions. Key features include a low-startup current, a programmable maximum duty cycle, and integrated soft-start functionality, which collectively contribute to its efficient and reliable performance. Furthermore, its enhanced control mechanisms allow for precise power regulation, making it an ideal component for high-demand applications.
UCC3819AD Applications
- AC-DC Power Supplies: The UCC3819AD is used to improve the power factor in AC-DC power supply units, enhancing efficiency and reducing energy consumption in systems such as computer servers and telecommunications equipment.
- Lighting Systems: In lighting applications, this IC helps in managing power more efficiently, particularly in LED and fluorescent lighting fixtures, ensuring optimal power usage and longevity of the lighting components.
- Industrial Systems: For industrial machinery and automation systems, the UCC3819AD facilitates stable and efficient power control, crucial for maintaining the reliability and efficiency of heavy-duty machinery.
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