UC3843BN
- Mfr.Part #
- UC3843BN
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR FLYBACK 8DIP
- Stock
- 67,722
- In Stock :
- 67,722
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Frequency - Switching :
- Up to 500kHz
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Factory Lead Time :
- 14 Weeks
- Number of Terminations :
- 8
- Output Configuration :
- Positive
- Mount :
- Through Hole
- Input Voltage-Nom :
- 15V
- Output Voltage :
- 5.05V
- Terminal Position :
- Dual
- Output Current :
- 200mA
- Switcher Configuration :
- Single
- Rise Time :
- 50ns
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Output Type :
- Transistor Driver
- Nominal Input Voltage :
- 15V
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- ECCN Code :
- EAR99
- REACH SVHC :
- No SVHC
- Terminal Pitch :
- 2.54mm
- Topology :
- Boost, Flyback
- Width :
- 6.6mm
- Height :
- 3.32mm
- JESD-609 Code :
- e3
- Packaging :
- Tube
- Number of Outputs :
- 1
- Max Power Dissipation :
- 800mW
- Length :
- 10.92mm
- Operating Temperature :
- 0°C~70°C TJ
- Control Technique :
- PULSE WIDTH MODULATION
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- RoHS Status :
- ROHS3 Compliant
- Duty Cycle (Max) :
- 96%
- Number of Pins :
- 8
- Max Duty Cycle :
- 100 %
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Function :
- Step-Up, Step-Up/Step-Down
- Fall Time (Typ) :
- 50 ns
- Synchronous Rectifier :
- No
- Base Part Number :
- UC3843
- Mounting Type :
- Through Hole
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lead Free :
- Lead Free
- Max Supply Current :
- 17mA
- Control Features :
- Frequency Control
- Weight :
- 930.006106mg
- Power Dissipation :
- 800mW
- Control Mode :
- CURRENT-MODE
- Frequency :
- 250kHz
- Datasheets
- UC3843BN

DC DC Switching Controllers onsemi UC3843BN Overview
Introducing the DC DC Switching Controllers from onsemi, featuring the UC3843BN. This innovative integrated circuit regulator controller, housed in an 8DIP package, is engineered to provide optimal control for flyback applications. With a focus on efficiency and precision, the UC3843BN empowers your designs with reliable performance and enhanced functionality.
UC3843BN Features
- Efficient Regulation: The UC3843BN offers precise control over flyback applications, ensuring efficient power delivery and stable operation.
- Compact Design: Housed in an 8DIP package, this integrated circuit controller optimizes space utilization in your electronic designs.
- Wide Compatibility: Compatible with a range of systems and components, the UC3843BN provides versatile solutions for diverse applications.
- Robust Performance: Engineered by onsemi, a trusted leader in semiconductor manufacturing, this controller delivers reliable performance in demanding environments.
- Flexible Configuration: The UC3843BN features customizable settings to adapt to varying voltage and current requirements, enhancing flexibility in design implementation.
UC3843BN Applications
- Switched-Mode Power Supplies (SMPS): Utilize the UC3843BN in SMPS designs for efficient power conversion in a wide range of electronic devices, including telecommunication equipment and industrial machinery.
- LED Lighting Systems: Enhance the performance and reliability of LED lighting systems by integrating the UC3843BN for precise control of power delivery, ensuring consistent illumination in commercial and residential settings.
- Battery Charging Systems: Incorporate the UC3843BN into battery charging systems to optimize charging efficiency and battery lifespan in portable electronics, automotive applications, and renewable energy systems.
- Audio Amplifiers: Improve the efficiency and stability of audio amplifier circuits by integrating the UC3843BN, ensuring clean and consistent power delivery for high-fidelity audio reproduction in consumer electronics and professional audio equipment.
- Automotive Electronics: Deploy the UC3843BN in automotive electronic systems for efficient power management, supporting various applications such as engine control units (ECUs), lighting control modules, and infotainment systems.
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