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UC3874DW-2 is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG CTRLR BUCK 18SOIC. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for UC3874DW-2
- Description：IC REG CTRLR BUCK 18SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tube,Tube
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：4.4V ~ 36V
- Frequency - Switching：Up to 300kHz
- Duty Cycle (Max)：100%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Soft Start
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：18-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：18-SOIC
- Grade：-
- Qualification：-
DC DC Switching Controllers datasheet and documents for UC3874DW-2
DC DC Switching Controllers Overview
The UC3874DW-2 is a high-efficiency, synchronous step-down DC-to-DC controller IC manufactured by Texas Instruments. It operates within a supply voltage range of 4.4V to 36V and supports switching frequencies up to 300kHz with a maximum duty cycle of 100%. The device features integrated synchronous rectification for improved performance. It is housed in an 18-pin SOIC package.
DC DC Switching Controllers Feature Summary
- Integrated synchronous rectification for enhanced efficiency
- Capable of 100% duty cycle operation
- Supports switching frequencies up to 300kHz
DC DC Switching Controllers Applications
- High-performance point-of-load (POL) converters
- Industrial power supplies
- Telecommunications equipment
DC DC Switching Controllers Procurement Notes
Verify the specific suffix 'DW-2' against the manufacturer's official documentation to confirm pinout and functional compatibility. Ensure the selected component matches the required 18-pin SOIC package dimensions and thermal specifications for your design.
DC DC Switching Controllers Selection Notes
Select this controller when designing buck converters requiring high efficiency and wide input voltage ranges. Consider the 300kHz switching frequency limit and the need for external components to set timing and feedback parameters according to the datasheet.
DC DC Switching Controllers Part Context
This component belongs to the UC387x family of power management ICs from Texas Instruments. These controllers are designed for synchronous buck applications, offering robust protection features and precise regulation capabilities suitable for demanding power conversion environments.
DC DC Switching Controllers Replacement Considerations
Consult the official datasheet for direct pin-compatible alternatives within the same product family. Verify electrical characteristics and package dimensions before substituting with other manufacturers' parts.
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