UC3843DTR
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- Mfr.Part #
- UC3843DTR
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOP 14SOIC
- Stock
- 34
- In Stock ：
- 34
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Mounting Type :
- Surface Mount
- Frequency - Switching :
- Up to 500kHz
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Output Configuration :
- Positive
- Duty Cycle (Max) :
- 97%
- Output Type :
- Transistor Driver
- Thickness :
- 1.58mm
- Factory Lead Time :
- 6 Weeks
- Packaging :
- Tape and Reel (TR)
- Surface Mount :
- yes
- Number of Pins :
- 14
- Control Technique :
- PULSE WIDTH MODULATION
- Max Duty Cycle :
- 100 %
- Control Mode :
- CURRENT-MODE
- RoHS Status :
- ROHS3 Compliant
- JESD-609 Code :
- e4
- Number of Terminations :
- 14
- Base Part Number :
- UC3843
- Weight :
- 122.413241mg
- Control Features :
- Frequency Control
- Terminal Position :
- Dual
- Pbfree Code :
- yes
- Fall Time (Typ) :
- 50 ns
- Output Current :
- 200mA
- ECCN Code :
- EAR99
- Frequency :
- 450kHz
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Length :
- 8.65mm
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Operating Temperature :
- 0°C~70°C TA
- Height :
- 1.75mm
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Peak Reflow Temperature (Cel) :
- 260
- Supply Current-Max (Isup) :
- 25mA
- Number of Outputs :
- 1
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Synchronous Rectifier :
- No
- Output Voltage :
- 13.5V
- Lead Free :
- Lead Free
- Width :
- 3.91mm
- Input Voltage-Nom :
- 15V
- Terminal Form :
- Gull wing
- Nominal Input Voltage :
- 25V
- Rise Time :
- 50ns
- Datasheets
- UC3843DTR
DC DC Switching Controllers Texas Instruments UC3843DTR Overview
The Texas Instruments UC3843DTR is a highly efficient DC DC Switching Controller, designed for superior performance in power management applications. This IC REG CTRLR MULT TOP 14SOIC is engineered by Texas Instruments, a leader in semiconductor innovation, ensuring reliability and functionality across various applications. The UC3843DTR is essential for developers seeking to implement robust, scalable power supply solutions in their systems. Its ability to drive cost efficiency while enhancing the overall system performance makes it a preferred choice for bulk purchasing by B2B customers.
UC3843DTR Features
The UC3843DTR boasts a range of features designed for versatile power management. It includes a programmable switching frequency up to 500 kHz, which allows for smaller sized components and reduces power loss. Enhanced line and load regulation ensures stable operation under varying conditions. Its low startup current and high efficiency are ideal for extending operational longevity in battery-driven devices. Additionally, built-in features such as current limiting and thermal shutdown provide essential protections against circuit anomalies.
UC3843DTR Applications
- Power Supplies: Utilized in switch-mode power supplies (SMPS), the UC3843DTR controls and regulates the power efficiently, ensuring stable output despite fluctuating input voltage.
- LED Lighting: It drives LED drivers for consistent lighting solutions, leveraging its ability to provide precise current control to enhance the life span and brightness of LEDs.
- Battery Chargers: This controller is integral in developing advanced battery charging systems, optimizing the charging curves and improving the efficiency of the charging process.
- Telecommunication Equipment: The UC3843DTR ensures reliable power management in telecommunication setups, critical for maintaining uninterrupted service and performance integrity.
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