UC2851DW
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- Mfr.Part #
- UC2851DW
- Manufacturer
- Unitrode
- Package / Case
- 18-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SW MULT TOP 18SOIC
- Stock
- 1
- In Stock ：
- 1
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- Manufacturer :
- Unitrode
- Product Category :
- AC DC Converters, Offline Switches
- Control Technique :
- PULSE WIDTH MODULATION
- Frequency - Switching :
- Up to 500kHz
- Terminal Form :
- Gull wing
- Rise Time :
- 50ns
- Packaging :
- Tube
- Length :
- 11.5mm
- Voltage - Start Up :
- 8V
- Nominal Input Voltage :
- 30V
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Frequency :
- 450kHz
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Thickness :
- 2.35mm
- Mounting Type :
- Surface Mount
- ECCN Code :
- EAR99
- Number of Outputs :
- 1
- Max Power Dissipation :
- 1W
- Number of Functions :
- 1
- Topology :
- Boost, Buck, Flyback, Forward
- Pbfree Code :
- yes
- Input Voltage-Nom :
- 20V
- Output Voltage :
- 40V
- Nominal Supply Current :
- 15mA
- Pin Count :
- 18
- Height :
- 2.65mm
- Base Part Number :
- UC2851
- Max Duty Cycle :
- 46 %
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Terminal Position :
- Dual
- Internal Switch(s) :
- No
- Isolation :
- Non-Isolated
- JESD-609 Code :
- e4
- Switcher Configuration :
- Buck-Boost
- Package / Case :
- 18-SOIC (0.295, 7.50mm Width)
- Peak Reflow Temperature (Cel) :
- 260
- RoHS Status :
- ROHS3 Compliant
- Control Features :
- Frequency Control, Soft Start
- Number of Pins :
- 18
- Control Mode :
- CURRENT/VOLTAGE-MODE
- Lead Free :
- Lead Free
- Output Current :
- 400mA
- Surface Mount :
- yes
- Factory Lead Time :
- 6 Weeks
- Output Power :
- 1W
- Additional Feature :
- CURRENT MODE OPERATION IS ALSO POSSIBLE
- Duty Cycle :
- 50%
- Fall Time (Typ) :
- 50 ns
- Width :
- 7.5mm
- Voltage - Supply (Vcc/Vdd) :
- 7.8V~32V
- Operating Temperature :
- -40°C~85°C TA
- Fault Protection :
- Current Limiting, Over Voltage
- Number of Terminations :
- 18
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Datasheets
- UC2851DW
AC DC Converters, Offline Switches Unitrode UC2851DW Overview
The UC2851DW by Unitrode is a sophisticated integrated circuit designed specifically for offline switching applications. This component is engineered to optimize the performance of power supplies, enhancing their efficiency and reliability. The IC is housed in an 18-SOIC package, making it suitable for compact designs yet robust enough for demanding applications. As an AC DC Converter and Offline Switch, the UC2851DW excels in providing a seamless transition between AC and DC power, making it a critical component in power management systems. Its incorporation into your designs ensures a significant upgrade in system stability and energy efficiency, making it ideal for manufacturers looking to enhance their product offerings.
UC2851DW Features
The UC2851DW boasts a range of features designed to improve system efficiency and reliability. These include enhanced voltage regulation, low power consumption, and an integrated multiple topology interface that allows for flexible design options. Furthermore, the robust build of the 18-SOIC package ensures durability and long-term performance under varied environmental conditions.
UC2851DW Applications
- Power Supply Units: Utilizes its efficient switching capabilities to provide stable power conversion, enhancing the reliability and performance of power supplies in consumer electronics and industrial systems.
- LED Lighting Systems: Employs its compact and efficient design to manage power in LED applications, ensuring optimal performance and longevity of lighting systems.
- Telecommunication Equipment: Supports power management in telecommunications infrastructure by ensuring reliable and efficient power delivery, critical for system stability and performance.
- Portable Devices: Ideal for use in portable electronics due to its efficiency and small form factor, contributing to longer battery life and enhanced device usability.
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