UC2843ADTR
- Mfr.Part #
- UC2843ADTR
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOP 14SOIC
- Stock
- 3,087
- In Stock :
- 3,087
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Input Voltage-Nom :
- 15V
- Terminal Form :
- Gull wing
- Output Configuration :
- Positive
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Operating Temperature :
- -40°C~85°C TA
- Control Technique :
- PULSE WIDTH MODULATION
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Factory Lead Time :
- 6 Weeks
- Peak Reflow Temperature (Cel) :
- 260
- RoHS Status :
- ROHS3 Compliant
- Frequency :
- 450kHz
- ECCN Code :
- EAR99
- Mounting Type :
- Surface Mount
- Surface Mount :
- yes
- Length :
- 8.65mm
- Terminal Position :
- Dual
- Control Mode :
- CURRENT-MODE
- Synchronous Rectifier :
- No
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Nominal Input Voltage :
- 25V
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Pbfree Code :
- yes
- Weight :
- 122.413241mg
- Frequency - Switching :
- Up to 500kHz
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Width :
- 3.91mm
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Supply Voltage :
- 11V
- Duty Cycle (Max) :
- 96%
- Lead Free :
- Lead Free
- Rise Time :
- 50ns
- Output Type :
- Transistor Driver
- Max Duty Cycle :
- 100 %
- Number of Terminations :
- 14
- Number of Pins :
- 14
- Packaging :
- Tape and Reel (TR)
- Control Features :
- Frequency Control
- Number of Outputs :
- 1
- Base Part Number :
- UC2843
- Output Current :
- 200mA
- Height :
- 1.75mm
- Fall Time (Typ) :
- 50 ns
- Thickness :
- 1.58mm
- Output Voltage :
- 15V
- Supply Current-Max (Isup) :
- 25mA
- JESD-609 Code :
- e4
- Datasheets
- UC2843ADTR

DC DC Switching Controllers Texas Instruments UC2843ADTR Overview
The Texas Instruments UC2843ADTR DC DC Switching Controller offers robust features for advanced power management and control across various applications. This controller integrates multiple control functions into a compact 14SOIC package, making it an ideal choice for designers looking for efficient space utilization and reduced component count in power supply systems. With its built-in features such as frequency compensation, a fixed-frequency PWM controller, and multiple protection features, the UC2843ADTR enhances system reliability and performance. The integration of this controller in your designs ensures optimized power consumption, improved efficiency, and the robustness needed for high-performance industrial environments.
UC2843ADTR Features
This integrated circuit includes several key features:
- High-performance PWM control
- Current mode operation for improved transient response
- Wide input voltage range suitable for various power supply applications
- Adjustable output control for enhanced versatility
- Overcurrent protection to safeguard against system failures
- Low shutdown current, maximizing power efficiency
UC2843ADTR Applications
- Switch Mode Power Supplies (SMPS): Integrates seamlessly to manage and regulate voltages, ensuring stable and efficient power delivery.
- DC-DC Converters: Utilizes current mode control to provide fast transient response and stable operation in converting one DC voltage to another.
- Battery Chargers: Optimizes charging protocols, enhancing battery performance and longevity in various charging applications.
- LED Lighting Systems: Controls LED brightness and operation, ensuring optimal power usage and light output consistency.
- Telecommunications Equipment: Provides reliable and efficient power management solutions, crucial for the continuous operation of telecom systems.
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