UC3843D8TR
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- Mfr.Part #
- UC3843D8TR
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOPOLOGY 8SOIC
- Stock
- 11,797
- In Stock ：
- 11,797
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Number of Outputs :
- 1
- Control Mode :
- CURRENT-MODE
- Factory Lead Time :
- 6 Weeks
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mounting Type :
- Surface Mount
- Frequency :
- 450kHz
- Input Voltage-Nom :
- 15V
- Surface Mount :
- yes
- Synchronous Rectifier :
- No
- Length :
- 4.9mm
- Terminal Form :
- Gull wing
- Output Type :
- Transistor Driver
- Output Voltage :
- 13.5V
- Control Technique :
- PULSE WIDTH MODULATION
- Terminal Position :
- Dual
- Frequency - Switching :
- Up to 500kHz
- Height :
- 1.75mm
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Peak Reflow Temperature (Cel) :
- 260
- RoHS Status :
- ROHS3 Compliant
- JESD-609 Code :
- e4
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Packaging :
- Tape and Reel (TR)
- Pbfree Code :
- yes
- Duty Cycle (Max) :
- 97%
- Number of Pins :
- 8
- Weight :
- 72.603129mg
- Supply Current-Max (Isup) :
- 25mA
- Width :
- 3.91mm
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Rise Time :
- 50ns
- Number of Terminations :
- 8
- Max Duty Cycle :
- 100 %
- Nominal Input Voltage :
- 25V
- Thickness :
- 1.58mm
- ECCN Code :
- EAR99
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Lead Free :
- Lead Free
- Base Part Number :
- UC3843
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Output Current :
- 200mA
- Fall Time (Typ) :
- 50 ns
- Output Configuration :
- Positive
- Operating Temperature :
- 0°C~70°C TA
- Control Features :
- Frequency Control
- Datasheets
- UC3843D8TR
DC DC Switching Controllers Texas Instruments UC3843D8TR Overview
The UC3843D8TR by Texas Instruments is a highly versatile DC DC Switching Controller designed for superior performance in various topologies including boost, buck, and flyback converters. This device facilitates efficient power conversion while maintaining stability and reliability in demanding applications. It integrates a range of features tailored for power supply management, making it an essential component in sophisticated electronics. The UC3843D8TR stands out for its ability to handle complex power management tasks with precision, ensuring energy efficiency and enhanced product longevity.
UC3843D8TR Features
- Multiple topology support including boost, buck, and flyback
- High-performance frequency operation up to 500 kHz
- Low startup current of 0.5 mA typical, promoting energy efficiency
- Enhanced line regulation and reduced noise susceptibility
- Current mode operation provides superior transient response
- Under-voltage lockout for better system reliability
- Trimmed oscillator discharge current for precise duty cycle control
UC3843D8TR Applications
- Power Supplies: Utilized in designing robust and efficient AC to DC and DC to DC power supplies for a range of industrial and commercial equipment.
- LED Drivers: Perfect for regulating power in LED lighting systems, ensuring optimal performance and longevity.
- Battery Chargers: Used in battery management systems to enhance charging efficiency and extend battery life in portable devices.
- Telecommunications Equipment: Implements power control in telecommunication infrastructure, stabilizing power supply even under fluctuating load conditions.
- Consumer Electronics: Essential in power regulation for consumer electronics, providing safe and efficient operation of devices such as laptops and televisions.
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