UC3843BNG
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- Mfr.Part #
- UC3843BNG
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR FLYBACK 8DIP
- Stock
- 3,451
- In Stock ：
- 3,451
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Terminal Pitch :
- 2.54mm
- Lead Free :
- Lead Free
- ECCN Code :
- EAR99
- Number of Pins :
- 8
- Length :
- 10.16mm
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Frequency - Switching :
- Up to 500kHz
- Operating Temperature :
- 0°C~70°C TA
- Pbfree Code :
- yes
- Switcher Configuration :
- Single
- Peak Reflow Temperature (Cel) :
- 260
- Synchronous Rectifier :
- No
- Input Voltage-Nom :
- 15V
- Number of Terminations :
- 8
- Control Features :
- Frequency Control
- JESD-609 Code :
- e3
- Max Duty Cycle :
- 96 %
- Published :
- 1999
- Control Mode :
- CURRENT-MODE
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Base Part Number :
- UC384*B
- Factory Lead Time :
- 11 Weeks
- Terminal Finish :
- Tin (Sn)
- Number of Outputs :
- 1
- Output Current :
- 1A
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Function :
- Step-Up, Step-Up/Step-Down
- Width :
- 6.6mm
- Output Configuration :
- Positive
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Max Supply Current :
- 17mA
- Fall Time (Typ) :
- 50 ns
- Rise Time :
- 50ns
- Mount :
- Through Hole
- Control Technique :
- PULSE WIDTH MODULATION
- Weight :
- 930.006106mg
- Frequency :
- 52kHz
- Height :
- 3.44mm
- REACH SVHC :
- No SVHC
- Output Voltage :
- 13.4V
- Topology :
- Boost, Flyback
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Mounting Type :
- Through Hole
- RoHS Status :
- ROHS3 Compliant
- Nominal Input Voltage :
- 30V
- Output Type :
- Transistor Driver
- Packaging :
- Tube
- Halogen Free :
- Halogen Free
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Position :
- Dual
- Datasheets
- UC3843BNG
DC DC Switching Controllers onsemi UC3843BNG Overview
The UC3843BNG by onsemi is a robust DC DC switching controller specifically designed for managing flyback converters. This IC (integrated circuit) excels in applications requiring efficient power management and conversion. Its high performance is guaranteed through a stable operation range and built-in features that enhance system reliability. The onsemi UC3843BNG offers precision and flexibility, making it a preferred choice for engineers looking to optimize their power supply systems. By incorporating the UC3843BNG, manufacturers can achieve improved power efficiency and reduced system costs, which is crucial for high-volume production scenarios.
UC3843BNG Features
- High-performance pulse width modulation (PWM) controller
- Voltage mode control for precise power regulation
- Built-in under-voltage lockout and current limiting features
- Low startup current (<1.0mA)
- Up to 500 kHz operation frequency allowing smaller sized components
UC3843BNG Applications
- Power Supplies for Consumer Electronics: Used to regulate voltage and power in devices such as TVs and computers, ensuring stable operation and power efficiency.
- LED Lighting Systems: Controls current supply to LED arrays for consistent illumination and extended lifespan.
- Battery Chargers: Manages the power flow in battery chargers, optimizing the charge cycle for efficiency and safety.
- Telecommunications Equipment: Provides reliable power control in telecom infrastructures, crucial for maintaining system performance.
- Solar Power Inverters: Integrates into solar inverters to enhance power conversion from DC to AC, maximizing the effectiveness of solar panels.
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