UC3843BVN
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- Mfr.Part #
- UC3843BVN
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR FLYBACK 8DIP
- Stock
- 2,332
- In Stock ：
- 2,332
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Output Current :
- 200mA
- ECCN Code :
- EAR99
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Fall Time (Typ) :
- 50 ns
- Input Voltage-Nom :
- 15V
- Output Voltage :
- 5.1V
- Max Duty Cycle :
- 96 %
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Number of Outputs :
- 1
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Frequency - Switching :
- Up to 500kHz
- Max Supply Current :
- 17mA
- Published :
- 1999
- RoHS Status :
- ROHS3 Compliant
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Synchronous Rectifier :
- No
- Packaging :
- Tube
- Operating Temperature :
- -40°C~105°C TA
- Base Part Number :
- UC384*B
- Output Type :
- Transistor Driver
- Mount :
- Through Hole
- Factory Lead Time :
- 2 Weeks
- Frequency :
- 52kHz
- Height :
- 3.44mm
- Length :
- 10.16mm
- JESD-609 Code :
- e3
- Control Features :
- Frequency Control
- Number of Terminations :
- 8
- Width :
- 6.6mm
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mounting Type :
- Through Hole
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Pins :
- 8
- Terminal Pitch :
- 2.54mm
- Peak Reflow Temperature (Cel) :
- 260
- Function :
- Step-Up, Step-Up/Step-Down
- Rise Time :
- 50ns
- Output Configuration :
- Positive
- Pbfree Code :
- yes
- Lead Free :
- Lead Free
- Terminal Position :
- Dual
- Halogen Free :
- Halogen Free
- Switcher Configuration :
- Single
- Topology :
- Boost, Flyback
- Control Mode :
- CURRENT-MODE
- Terminal Finish :
- Tin (Sn)
- Nominal Input Voltage :
- 30V
- Datasheets
- UC3843BVN
DC DC Switching Controllers onsemi UC3843BVN Overview
The UC3843BVN from onsemi is a high-performance integrated circuit designed specifically for efficient control of flyback converters. This product, belonging to the robust family of DC DC Switching Controllers, excels in managing and optimizing power conversion within electronic circuits. It is housed in an 8DIP package, ensuring compatibility with a wide range of electronic assemblies. The UC3843BVN integrates advanced features that facilitate stable and reliable power supply, making it a prime choice for developers seeking to enhance system performance while maintaining energy efficiency. Employing the DC DC Switching Controllers onsemi UC3843BVN in your designs ensures that your applications not only meet but exceed the stringent requirements of modern electronic devices.
UC3843BVN Features
The UC3843BVN boasts a comprehensive suite of features designed to optimize power management efficiency. Key features include a wide input voltage range, which allows for flexible implementation across various systems without the need for additional components. Its enhanced duty cycle capabilities provide superior performance in extreme conditions. The controller also includes protective features such as over-current protection, thermal shutdown, and under-voltage lockout, which collectively ensure the longevity and reliability of both the controller and the application it powers.
UC3843BVN Applications
- Power Supplies: Utilized in the regulation and control of power supply units, ensuring efficient and stable output under varying load conditions.
- LED Lighting: Drives LED lighting systems by providing precise control over power delivery, maximizing efficiency and lifespan of the lighting elements.
- Consumer Electronics: Integral in managing power within consumer electronic products such as gaming consoles and home appliances, enhancing performance and energy efficiency.
- Telecommunication Equipment: Ensures reliable power management in telecommunication devices, crucial for maintaining performance stability and operational reliability.
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