UC3851N
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- Mfr.Part #
- UC3851N
- Manufacturer
- Texas Instruments
- Package / Case
- 18-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH MULT TOP 18DIP
- Stock
- 3,779
- In Stock ：
- 3,779
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- Manufacturer :
- Texas Instruments
- Product Category :
- AC DC Converters, Offline Switches
- REACH SVHC :
- No SVHC
- Factory Lead Time :
- 6 Weeks
- ECCN Code :
- EAR99
- Voltage - Start Up :
- 8V
- Surface Mount :
- No
- Fall Time (Typ) :
- 50 ns
- Isolation :
- Non-Isolated
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Length :
- 22.48mm
- Max Duty Cycle :
- 46 %
- Additional Feature :
- CURRENT MODE OPERATION IS ALSO POSSIBLE
- Terminal Pitch :
- 2.54mm
- Output Voltage :
- 40V
- Input Voltage-Nom :
- 20V
- Mounting Type :
- Through Hole
- Frequency - Switching :
- Up to 500kHz
- Pbfree Code :
- yes
- Output Power :
- 1W
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Operating Temperature :
- 0°C~70°C TA
- JESD-609 Code :
- e4
- Nominal Input Voltage :
- 30V
- Control Technique :
- PULSE WIDTH MODULATION
- Switcher Configuration :
- Buck-Boost
- Control Features :
- Frequency Control, Soft Start
- Base Part Number :
- UC3851
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Nominal Supply Current :
- 15mA
- Frequency :
- 450kHz
- Number of Pins :
- 18
- Max Power Dissipation :
- 1W
- Lead Free :
- Lead Free
- Internal Switch(s) :
- No
- Topology :
- Boost, Buck, Flyback, Forward
- Height :
- 5.08mm
- Number of Functions :
- 1
- Fault Protection :
- Current Limiting, Over Voltage
- Terminal Position :
- Dual
- Number of Terminations :
- 18
- Control Mode :
- CURRENT/VOLTAGE-MODE
- Rise Time :
- 50ns
- Package / Case :
- 18-DIP (0.300, 7.62mm)
- Output Current :
- 400mA
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Thickness :
- 4.57mm
- Number of Outputs :
- 1
- RoHS Status :
- ROHS3 Compliant
- Duty Cycle :
- 50%
- Voltage - Supply (Vcc/Vdd) :
- 7.8V~32V
- Pin Count :
- 18
- Packaging :
- Tube
- Weight :
- 1.206102g
- Width :
- 6.35mm
- Datasheets
- UC3851N
AC DC Converters, Offline Switches Texas Instruments UC3851N Overview
The AC DC Converters, Offline Switches Texas Instruments UC3851N is a sophisticated Integrated Circuit (IC) specifically designed for offline switching applications. This versatile component by Texas Instruments integrates multiple topologies within a single 18-pin DIP package, providing an efficient solution for managing power requirements in a variety of electronic devices. Its robust design facilitates reliable operation under variable load conditions, making it an ideal choice for high-performance applications where space and efficiency are crucial. With its capacity to support multiple converter topologies, the UC3851N enhances system reliability and simplifies the design process for power supply engineers.
UC3851N Features
The UC3851N IC encompasses several notable features that make it highly suitable for demanding applications. These include its ability to operate with multiple switching topologies, enhancing its flexibility and applicability in various circuit designs. Additionally, its design in an 18-pin DIP package allows for straightforward integration into existing layouts without the need for extensive redesign. The IC's robust thermal performance and reliability under fluctuating power conditions ensure that it continues to operate effectively, providing consistent output and stability.
UC3851N Applications
- Power Supplies: The UC3851N is commonly used in the development of both linear and switching power supplies. Its ability to switch efficiently helps in reducing power loss and improving overall energy efficiency in power supply units.
- Consumer Electronics: This IC can be implemented in various consumer electronics such as televisions and audio systems, providing reliable power management and enhancing the durability and performance of these devices.
- Industrial Systems: In industrial environments, the UC3851N facilitates stable power delivery to machinery and operational systems, ensuring that these systems function continuously without interruption or performance degradation.
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