UC3843ADX
- Mfr.Part #
- UC3843ADX
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR 8SOIC
- Stock
- 543,820
- In Stock :
- 543,820
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Weight :
- 230.4mg
- Duty Cycle (Max) :
- 96%
- Length :
- 4.9mm
- Max Duty Cycle :
- 100 %
- Input Voltage-Nom :
- 15V
- Terminal Form :
- Gull wing
- Published :
- 2000
- Base Part Number :
- UC3843
- Peak Reflow Temperature (Cel) :
- 260
- ECCN Code :
- EAR99
- Nominal Supply Current :
- 17mA
- Control Technique :
- PULSE WIDTH MODULATION
- Synchronous Rectifier :
- No
- Number of Outputs :
- 1
- Frequency - Switching :
- Up to 500kHz
- Fall Time (Typ) :
- 40 ns
- JESD-609 Code :
- e4
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Output Configuration :
- Positive
- Pbfree Code :
- yes
- Output Current :
- 1kA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Surface Mount
- RoHS Status :
- RoHS Compliant
- Terminal Finish :
- Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
- Max Frequency :
- 500kHz
- Packaging :
- Tape and Reel (TR)
- Topology :
- Boost, Flyback
- Control Features :
- Frequency Control
- Switcher Configuration :
- Single
- Function :
- Step-Up, Step-Up/Step-Down
- Operating Temperature :
- 0°C~70°C TA
- Operating Supply Current :
- 17mA
- Mounting Type :
- Surface Mount
- Input Voltage (Max) :
- 25V
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Terminal Position :
- Dual
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Number of Pins :
- 8
- Width :
- 3.9mm
- Number of Terminations :
- 8
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Rise Time :
- 40ns
- Output Type :
- Transistor Driver
- Datasheets
- UC3843ADX

DC DC Switching Controllers onsemi UC3843ADX Overview
The onsemi UC3843ADX is a highly efficient, robust, and versatile DC DC switching controller, designed specifically for modern power management challenges. It features an integrated circuit regulator controller housed in a compact 8SOIC package, making it ideal for applications requiring reliable voltage conversion and power supply management. This model stands out in the onsemi range for its ability to manage and stabilize voltages across a variety of electronic applications, ensuring efficient and safe operations. With its proven design and onsemi's commitment to quality, the UC3843ADX is a reliable choice for designers and engineers looking to optimize their power systems with a high-performance, cost-effective solution.
UC3843ADX Features
The UC3843ADX boasts a range of features that enhance its utility in demanding applications. These include a wide operating voltage range, high frequency operation which allows for smaller sized external components, and improved line and load regulation capabilities. Furthermore, its low start-up current minimizes the drain on power at activation, crucial for reducing overall power consumption.
UC3843ADX Applications
- Power Supplies: Utilized in designing both isolated and non-isolated power supplies, the UC3843ADX improves efficiency and reliability in converting and controlling voltage levels within the system.
- LED Lighting: Critical in driving and controlling LED lighting systems, where stable and reliable power management ensures longevity and consistent performance.
- Battery Chargers: Used in battery charging systems to regulate the power supply, ensuring fast, efficient, and safe charging cycles across various battery technologies.
- Telecommunication Equipment: Helps in managing power within telecom infrastructures, ensuring robust performance even under fluctuating power conditions.
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