| Allicdata Part #: | UC2874DW-2-ND |
| Manufacturer Part#: |
UC2874DW-2 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG CTRLR BUCK 18SOIC |
| More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
| DataSheet: |  UC2874DW-2 Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Frequency - Switching: | Up to 300kHz |
| Base Part Number: | UC2874-2 |
| Supplier Device Package: | 18-SOIC |
| Package / Case: | 18-SOIC (0.295", 7.50mm Width) |
| Operating Temperature: | -25°C ~ 85°C (TA) |
| Control Features: | Soft Start |
| Serial Interfaces: | -- |
| Clock Sync: | No |
| Synchronous Rectifier: | Yes |
| Duty Cycle (Max): | 100% |
| Series: | -- |
| Voltage - Supply (Vcc/Vdd): | 4.4 V ~ 36 V |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Last Time Buy |
| Packaging: | Tube |
Description
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UC2874DW-2 is widely used in commercial, industrial and communication equipment as well as automotive and medical applications. It is a device of DC-DC switching controller which provides superior features compared to competitive controllers.UC2874DW-2 belongs to the PMIC (Power Management ICs) product family, and it is a voltage regulators DC-DC switching controllers. It is an integrated circuit that provides the functions and features of an entire system on a single integrated circuit. It combines control, power, and proximity sensing components that save design time, component count and cost.UC2874DW-2 can provide voltage regulation within a wide range. It consists of a voltage supervisor and error amplifier connected to the supply bus. The voltage supervisor is a digital output that is activated when the regulated output is outside a certain range. The error amplifier is a linear amplifier that is capable of accurately measuring the output voltage and comparing it to a reference voltage. The controller adjusts the output voltage as needed in order to maintain the desired voltage.The UC2874DW-2 can control multiple outputs from a single device, making it especially useful for applications requiring multiple power supplies from a single controller. Its wide input voltage range and Mode capability provide the user with a flexible and efficient solution for power supply design. It has a maximum power rating of 8A per output, which makes it suitable for very high power applications.The UC2874DW-2 integrates several features that make it ideal for high power applications. These features include a very high frequency operation enabling higher efficiency and a spread spectrum operating mode providing electromagnetic interference (EMI) reduction. Its wide input voltage range allows it to be used in applications ranging from single cell to multiple cells.In addition, the UC2874DW-2 provides built-in thermal protection, overvoltage protection, undervoltage protection, foldback protection and overcurrent protection. The controller can also be programmed to provide the desired output voltage range.The working principle of the UC2874DW-2 is fairly simple. The device measures the output voltage and compares it to an internal reference voltage. The error amplifier then adjusts the power output through the FETs as well as the frequency of the oscillator in order to maintain a steady output voltage.Overall, the UC2874DW-2 is an ideal choice for applications requiring high current, high frequency and EMI compliance. Its wide input voltage range, spread spectrum operation and multiple output capability make it an attractive choice for designers looking for an effective DC-DC switching controller solution.
The specific data is subject to PDF, and the above content is for reference
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