UC3874DW-2
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- Mfr.Part #
- UC3874DW-2
- Manufacturer
- Unitrode
- Package / Case
- 18-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- 1A, 300KHZ BIPOLAR, PDSO18
- Stock
- 2,162
- In Stock ：
- 2,162
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- Manufacturer :
- Unitrode
- Product Category :
- DC DC Switching Controllers
- Duty Cycle (Max) :
- 100%
- Control Technique :
- PULSE WIDTH MODULATION
- Height Seated (Max) :
- 2.65mm
- Frequency - Switching :
- Up to 300kHz
- Input Voltage-Nom :
- 12V
- Terminal Form :
- Gull wing
- Package / Case :
- 18-SOIC (0.295, 7.50mm Width)
- Control Features :
- Soft Start
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Output Current-Max :
- 1A
- Synchronous Rectifier :
- yes
- Packaging :
- Tube
- Base Part Number :
- UC3874
- Max Frequency :
- 300kHz
- Terminal Position :
- Dual
- Number of Pins :
- 18
- Voltage - Supply (Vcc/Vdd) :
- 4.4V~36V
- Output Configuration :
- Positive
- Pbfree Code :
- yes
- Width :
- 7.5mm
- Lead Free :
- Lead Free
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Clock Sync :
- No
- Topology :
- Buck
- JESD-609 Code :
- e4
- ECCN Code :
- EAR99
- Mounting Type :
- Surface Mount
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Number of Terminations :
- 18
- RoHS Status :
- ROHS3 Compliant
- Operating Supply Voltage :
- 36V
- Function :
- Step-Down
- Switcher Configuration :
- Push-Pull
- Peak Reflow Temperature (Cel) :
- 260
- Control Mode :
- CURRENT-MODE
- Output Type :
- Transistor Driver
- Number of Outputs :
- 1
- Mount :
- Surface Mount
- Operating Temperature :
- 0°C~70°C TA
- Datasheets
- UC3874DW-2
DC DC Switching Controllers Unitrode UC3874DW-2 Overview
The UC3874DW-2 from Unitrode is a high-performance DC DC switching controller designed to meet the rigorous demands of power management applications. This controller is capable of handling 1A current and operates at a frequency of up to 300kHz. With its compact PDSO18 package, it integrates seamlessly into various electronic assemblies, providing an efficient and reliable solution for managing DC power conversion. The UC3874DW-2's robust design and advanced bipolar technology make it an ideal choice for developers looking to optimize their power systems with precision and durability.
UC3874DW-2 Features
The UC3874DW-2 is equipped with numerous features that enhance its performance in demanding environments. Its ability to operate at high frequencies up to 300kHz allows for smaller external components, reducing overall system size and cost. The controller's bipolar design ensures robustness and reliability, making it suitable for a wide range of industrial applications. Additionally, its integrated functions such as soft-start, over-current protection, and thermal shutdown contribute to the device's operational safety and efficiency.
UC3874DW-2 Applications
- Power Supplies: Utilized in the development of both isolated and non-isolated power supplies, where its high frequency operation enables compact transformer design.
- Renewable Energy Systems: Integral in solar inverters and other renewable energy converters, improving efficiency and reliability in energy conversion processes.
- Telecommunications Equipment: Essential for power management in telecom infrastructures, where stable and efficient power delivery is critical.
- Automotive Electronics: Used in automotive power systems to enhance the performance and reliability of vehicle electronics.
- Portable Devices: Helps in designing power solutions for portable electronics, enabling longer battery life and increased device performance.
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