UC3874DW-2
- 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
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Unitrode
- Product Category :
- DC DC Switching Controllers
- Duty Cycle (Max) :
- 100%
- Clock Sync :
- No
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Topology :
- Buck
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Mount :
- Surface Mount
- Function :
- Step-Down
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Operating Supply Voltage :
- 36V
- Number of Pins :
- 18
- Synchronous Rectifier :
- yes
- Lead Free :
- Lead Free
- Package / Case :
- 18-SOIC (0.295, 7.50mm Width)
- Number of Outputs :
- 1
- Control Technique :
- PULSE WIDTH MODULATION
- Output Type :
- Transistor Driver
- Voltage - Supply (Vcc/Vdd) :
- 4.4V~36V
- Pbfree Code :
- yes
- Switcher Configuration :
- Push-Pull
- Peak Reflow Temperature (Cel) :
- 260
- Control Features :
- Soft Start
- Output Current-Max :
- 1A
- Base Part Number :
- UC3874
- Control Mode :
- CURRENT-MODE
- Mounting Type :
- Surface Mount
- Operating Temperature :
- 0°C~70°C TA
- Height Seated (Max) :
- 2.65mm
- JESD-609 Code :
- e4
- Width :
- 7.5mm
- Max Frequency :
- 300kHz
- Packaging :
- Tube
- Terminal Form :
- Gull wing
- Output Configuration :
- Positive
- Input Voltage-Nom :
- 12V
- Terminal Position :
- Dual
- Number of Terminations :
- 18
- ECCN Code :
- EAR99
- Frequency - Switching :
- Up to 300kHz
- RoHS Status :
- ROHS3 Compliant
- 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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















