| Allicdata Part #: | 296-11201-5-ND |
| Manufacturer Part#: |
UC2875N |
| Price: | $ 10.26 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG CTRLR PWM CM/VM 20DIP |
| More Detail: | Converter Offline Full-Bridge Topology 1MHz 20-PDI... |
| DataSheet: |  UC2875N Datasheet/PDF |
| Quantity: | 240 |
| 1 +: | $ 10.26000 |
| 10 +: | $ 9.95220 |
| 100 +: | $ 9.74700 |
| 1000 +: | $ 9.54180 |
| 10000 +: | $ 9.23400 |
Specifications
| Duty Cycle: | 100% |
| Base Part Number: | UC2875 |
| Mounting Type: | Through Hole |
| Supplier Device Package: | 20-PDIP |
| Package / Case: | 20-DIP (0.300", 7.62mm) |
| Operating Temperature: | -25°C ~ 85°C (TA) |
| Control Features: | Frequency Control, Soft Start, Sync |
| Fault Protection: | Current Limiting |
| Frequency - Switching: | 1MHz |
| Series: | -- |
| Voltage - Supply (Vcc/Vdd): | 9.5 V ~ 20 V |
| Voltage - Start Up: | 10.75V |
| Topology: | Full-Bridge |
| Voltage - Breakdown: | -- |
| Internal Switch(s): | -- |
| Output Isolation: | Non-Isolated |
| Part Status: | Active |
| Packaging: | Tube |
Description
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UC2875N, a leading monolithic power supply controller, is an offline switcher system-on-chip that provides high-performance and cost-effective AC-DC converters, regulating and controlling output voltage in various computer systems. This article will discuss its main application fields, as well as its key working principle to better understand how it works.
Application Fields
UC2875N is an offline switcher that is usually used for regulating and controlling output voltage for AC-DC converters in computer systems. It is mostly used in automotive and industrial applications, such as power supply for medical- and home- appliance control panels, factory robotic actuators, temperature control systems and audio systems. This device is cost-effective and has very low losses and no noise, which makes it suitable for use in small power supplies. Moreover, due to its small size and cost, UC2875N can easily be integrated in smart power systems, effectively reducing the size and power requirements of the entire system.Working Principle
UC2875N is a power supply controller that follows the principle of Pulse Width Modulation (PWM). This principle allows the controller to regulate and control the output voltage, by altering the pulse width of the output. The UC2875N is designed to work with an external integrated gate driver, which provides the drive signal to the external MOSFETs or IGBTs. The UC2875N then receives a feedback voltage and frequency signal from the diode rectifier, which it uses to adjust the output voltage. In addition, the UC2875N is designed with protection features. Its internal over-voltage protection ensures that the output voltage is not exceeded, and its shutdown input allows the device to be shut down in order to prevent damage.Conclusion
UC2875N is an offline switcher, a type of AC-DC converter, which is used for regulating and controlling the output voltage of a computer system. It is well suited for use in automotive and industrial applications, such as medical- and home- appliance control panels, factory robotic actuators, temperature control systems and audio systems. It is cost-effective, noise-free and has a small size, making it suitable for small power supplies. Finally, its internal over-voltage protection and shutdown input ensure that it is safe to use.The specific data is subject to PDF, and the above content is for reference
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