UC3843D
- Mfr.Part #
- UC3843D
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOP 14SOIC
- Stock
- 56
- In Stock :
- 56
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Nominal Input Voltage :
- 15V
- JESD-609 Code :
- e4
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- 0°C~70°C TA
- Pbfree Code :
- yes
- Output Configuration :
- Positive
- Number of Pins :
- 8
- Number of Terminations :
- 8
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Lead Free :
- Lead Free
- Power Dissipation :
- 650mW
- Operating Supply Current :
- 11mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Thickness :
- 1.58mm
- ECCN Code :
- EAR99
- Input Current :
- 11mA
- Max Duty Cycle :
- 100 %
- Supply Current-Max (Isup) :
- 25mA
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Mounting Type :
- Surface Mount
- Length :
- 4.9mm
- Terminal Form :
- Gull wing
- Surface Mount :
- yes
- Duty Cycle (Max) :
- 97%
- Output Current :
- 200mA
- Number of Outputs :
- 1
- Packaging :
- Tube
- Input Voltage-Nom :
- 15V
- Rise Time :
- 50ns
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Fall Time (Typ) :
- 50 ns
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Terminal Position :
- Dual
- Height :
- 1.75mm
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- REACH SVHC :
- No SVHC
- Control Features :
- Frequency Control
- Control Mode :
- CURRENT-MODE
- Synchronous Rectifier :
- No
- Width :
- 3.91mm
- Base Part Number :
- UC3843
- Quiescent Current :
- 11mA
- Weight :
- 72.603129mg
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Output Type :
- Transistor Driver
- Frequency - Switching :
- Up to 500kHz
- Frequency :
- 450kHz
- Control Technique :
- PULSE WIDTH MODULATION
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Factory Lead Time :
- 6 Weeks
- Peak Reflow Temperature (Cel) :
- 260
- Output Voltage :
- 5V
- Datasheets
- UC3843D

DC DC Switching Controllers Texas Instruments UC3843D Overview
Introducing the UC3843D from Texas Instruments, a leading-edge DC DC Switching Controller designed to revolutionize your power management solutions. Engineered with precision and innovation, this integrated circuit (IC) regulator control unit is meticulously crafted to meet the demands of modern electronic systems.
With a compact form factor and versatile functionality, the UC3843D empowers engineers and manufacturers to optimize performance and efficiency across diverse applications. Whether you're designing industrial equipment, consumer electronics, or automotive systems, this state-of-the-art controller delivers unparalleled reliability and performance.
UC3843D Features
- Multiple Topologies: The UC3843D supports a wide range of control topologies, allowing for flexible integration into various power management systems.
- Enhanced Efficiency: With advanced control algorithms, this IC ensures maximum efficiency and minimal power loss, reducing operational costs and environmental impact.
- Integrated Protections: Built-in safeguards protect against overvoltage, overcurrent, and overtemperature conditions, ensuring system reliability and longevity.
- 14SOIC Package: The compact 14SOIC package offers space-saving benefits without compromising performance, ideal for compact designs and PCB layouts.
- Precision Regulation: The UC3843D provides precise voltage regulation, enabling stable power delivery to critical components for optimal performance.
UC3843D Applications
- Industrial Power Supplies: The UC3843D is ideal for controlling power supplies in industrial equipment, ensuring stable and efficient operation in harsh environments.
- Consumer Electronics: In consumer electronics such as televisions, gaming consoles, and home appliances, the UC3843D plays a vital role in power management, delivering reliable and efficient performance.
- Automotive Systems: Automotive applications benefit from the UC3843D's robust design and precise regulation capabilities, ensuring optimal performance in vehicle power systems.
This IC is seamlessly integrated into industrial power supply units, regulating voltage and current to meet the demanding requirements of manufacturing machinery, automation systems, and control systems.
By incorporating this controller into consumer electronic devices, manufacturers can enhance energy efficiency, prolong battery life, and improve overall product reliability.
From engine control units (ECUs) to lighting systems, this IC maintains stable voltage levels, protects sensitive components, and contributes to the safety and reliability of automotive electronics.
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