UC2843BN
- Mfr.Part #
- UC2843BN
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- CURRENT MODE PWM CONTROLLER
- Stock
- 163
- In Stock :
- 163
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Output Configuration :
- Positive
- Lead Free :
- Lead Free
- Pbfree Code :
- yes
- Topology :
- Boost, Flyback
- Halogen Free :
- Halogen Free
- Rise Time :
- 50ns
- Packaging :
- Tube
- Input Voltage (Max) :
- 25V
- Mount :
- Through Hole
- Max Supply Current :
- 17mA
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Number of Terminations :
- 8
- Number of Pins :
- 8
- JESD-609 Code :
- e3
- Peak Reflow Temperature (Cel) :
- 260
- Switcher Configuration :
- Single
- Power Dissipation :
- 1.25W
- Control Features :
- Frequency Control
- ECCN Code :
- EAR99
- Frequency :
- 52kHz
- Published :
- 2008
- Terminal Position :
- Dual
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Max Power Dissipation :
- 862mW
- Max Duty Cycle :
- 96 %
- Function :
- Step-Up, Step-Up/Step-Down
- Height :
- 4.953mm
- Terminal Pitch :
- 2.54mm
- Fall Time (Typ) :
- 50 ns
- Synchronous Rectifier :
- No
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Base Part Number :
- UC284*B
- Number of Outputs :
- 1
- Length :
- 10.16mm
- Factory Lead Time :
- 11 Weeks
- Input Voltage-Nom :
- 15V
- Width :
- 7.112mm
- Mounting Type :
- Through Hole
- Operating Temperature :
- -25°C~85°C TA
- Output Type :
- Transistor Driver
- Control Technique :
- PULSE WIDTH MODULATION
- Terminal Finish :
- Tin (Sn)
- RoHS Status :
- ROHS3 Compliant
- Control Mode :
- CURRENT-MODE
- Output Voltage :
- 13.4V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Frequency - Switching :
- Up to 500kHz
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- REACH SVHC :
- No SVHC
- Output Current :
- 200mA
- Input Bias Current :
- -2μA
- Datasheets
- UC2843BN

DC DC Switching Controllers onsemi UC2843BN Overview
The onsemi UC2843BN represents a pinnacle in high-performance CURRENT MODE PWM CONTROLLERS, tailored specifically for demanding DC-DC switching applications. This product integrates robust features into a compact package, ensuring superior reliability and efficiency. As a trusted solution designed by onsemi, the UC2843BN excels in delivering precise power regulation and optimal operational stability, making it an ideal choice for developers looking to enhance system performance while maintaining energy efficiency. The professional design and comprehensive functionality position this controller as a prime candidate for bulk purchases by businesses aiming to leverage advanced power management solutions.
UC2843BN Features
The UC2843BN comes equipped with several notable features that enhance its applicability in various demanding environments:
- High-performance current mode operation ensures improved response to load changes and reduced system complexity.
- Adjustable output control provides versatile adaptation to different power needs.
- Wide operating range makes it suitable for a variety of input voltages, enhancing its flexibility across different power systems.
- Enhanced thermal and over-current protections safeguard the system from potential damage due to overheating or excessive current.
UC2843BN Applications
- Power Supplies: Utilized in switching power supplies to improve efficiency and response times, ensuring stable and reliable power delivery.
- LED Drivers: Acts as a critical component in LED driving circuits for better dimming control and power efficiency.
- Battery Chargers: Employed in battery management systems to regulate the energy flow, optimizing charging cycles and extending battery life.
- Telecommunication Equipment: Provides robust power management solutions for telecommunication infrastructures, enhancing operational reliability and system performance.
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