Overview
The UC2843DTR/80869 is a versatile DC-DC switching controller IC produced by Unitrode, now part of Texas Instruments. This component is designed to support a variety of topologies including Boost, Buck, Buck-Boost, Flyback, and Forward configurations. It is capable of step-up, step-down, and step-up/step-down operations, making it a flexible choice for various power supply applications. The UC2843DTR/80869 is packaged in a 14-SOIC (Small Outline Integrated Circuit) case, which is surface mountable, enhancing its suitability for modern electronic designs.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Status | Active | Output Type | Transistor Driver |
| Function | Step-Up, Step-Down, Step-Up/Step-Down | Output Configuration | Positive, Isolation Capable |
| Topology | Boost, Buck, Buck-Boost, Flyback, Forward | Number of Outputs | 1 |
| Output Phases | 1 | Voltage - Supply (Vcc/Vdd) | 12V ~ 28V |
| Frequency - Switching | Up to 500kHz | Duty Cycle (Max) | 97% |
| Synchronous Rectifier | No | Clock Sync | No |
| Control Features | Frequency Control | Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Package / Case | 14-SOIC (0.154", 3.90mm Width) |
Key Features
- Flexible Topology Support: The UC2843DTR/80869 supports various DC-DC converter topologies such as Boost, Buck, Buck-Boost, Flyback, and Forward, making it highly versatile.
- High Switching Frequency: It operates at switching frequencies up to 500kHz, allowing for efficient and compact power supply designs.
- High Duty Cycle: The component can achieve a maximum duty cycle of 97%, which is beneficial for applications requiring high efficiency.
- Wide Operating Temperature Range: The IC operates over a temperature range of -40°C to 85°C, making it suitable for a variety of environmental conditions.
- Surface Mount Package: The 14-SOIC package is surface mountable, facilitating easy integration into modern PCB designs.
Applications
The UC2843DTR/80869 is suitable for a wide range of power supply applications, including:
- DC-DC Converters: It is used in various DC-DC converter configurations to provide efficient power conversion.
- Power Supplies: Ideal for designing power supplies that require step-up, step-down, or step-up/step-down operations.
- Industrial and Automotive Systems: Its wide operating temperature range and robust design make it suitable for industrial and automotive applications.
- Telecommunications and Computing Equipment: Used in power management systems for telecommunications and computing equipment due to its high efficiency and reliability.
Q & A
- Q: What are the main functions of the UC2843DTR/80869?
A: The UC2843DTR/80869 supports step-up, step-down, and step-up/step-down operations and can be used in various DC-DC converter topologies such as Boost, Buck, Buck-Boost, Flyback, and Forward.
- Q: What is the switching frequency range of the UC2843DTR/80869?
A: The switching frequency range is up to 500kHz.
- Q: What is the maximum duty cycle of the UC2843DTR/80869?
A: The maximum duty cycle is 97%.
- Q: Does the UC2843DTR/80869 support synchronous rectification?
A: No, it does not support synchronous rectification.
- Q: What is the operating temperature range of the UC2843DTR/80869?
A: The operating temperature range is -40°C to 85°C.
- Q: How can I obtain the datasheet for the UC2843DTR/80869?
A: You can download the datasheet from the manufacturer's website or from authorized distributors such as Ovaga, ShineComponents, or SMBOM.
- Q: What is the package type of the UC2843DTR/80869?
A: The UC2843DTR/80869 is packaged in a 14-SOIC (Small Outline Integrated Circuit) case.
- Q: How do I place an order for the UC2843DTR/80869?
A: You can place an order through the website of authorized distributors by selecting the product and proceeding to the checkout page. Offline orders are also accepted through direct contact with the sales team.
- Q: What kind of warranty is offered for the UC2843DTR/80869?
A: A 1-year warranty is typically offered by distributors, covering defects in materials and workmanship under normal use.
- Q: How can I ensure the authenticity of the UC2843DTR/80869?
A: Ensure you purchase from authorized distributors who verify the credentials of original manufacturers and suppliers. Distributors like Ovaga have rigorous testing and verification processes in place.
