Overview
The UC2843BDR2 is a high-performance DC-DC switching controller IC produced by onsemi. This device is specifically designed for boost and flyback regulator applications, offering a positive, isolation-capable output configuration. It features a 14-SOIC package and is suitable for various applications such as power supplies, motor drives, and other high-voltage systems that require efficient DC-DC conversion. The UC2843BDR2 operates at frequencies up to 500kHz, providing fast switching times and high-frequency operation. It also has a wide input voltage range of 7.6V to 30V, making it versatile for different power supply designs.
Key Specifications
| Specification | Value |
|---|---|
| Topology | Boost, Flyback, Forward |
| Number of Outputs | 1 |
| Switching Frequency | Up to 500 kHz |
| Maximum Duty Cycle | 96% |
| Output Voltage | 4.95 V to 5.05 V |
| Output Current | 1 A |
| Minimum Operating Temperature | -25°C |
| Maximum Operating Temperature | +85°C |
| Mounting Style | SMD/SMT |
| Rise Time | 50 ns |
| Fall Time | 50 ns |
| Operating Supply Voltage | Up to 30 V |
| Package | 14-SOIC |
Key Features
- Positive, isolation-capable output configuration
- Step-Up, Step-Up/Step-Down DC-DC controller IC
- Boost and Flyback Regulator
- Transistor driver output type
- Frequency switching up to 500kHz
- Duty cycle maximum of 96%
- Operating temperature range: -25°C to +85°C
- Surface Mount package
Applications
- Power supplies for industrial automation systems
- DC-DC converters in data storage devices
- Power conversion applications in automotive systems
- Motor drives and other high-voltage systems requiring efficient DC-DC conversion
Q & A
- What is the UC2843BDR2 used for? The UC2843BDR2 is used for boost and flyback regulator applications in power supplies, motor drives, and other high-voltage systems.
- What is the switching frequency of the UC2843BDR2? The switching frequency of the UC2843BDR2 can be up to 500 kHz.
- What is the maximum duty cycle of the UC2843BDR2? The maximum duty cycle of the UC2843BDR2 is 96%.
- What is the operating temperature range of the UC2843BDR2? The operating temperature range of the UC2843BDR2 is -25°C to +85°C.
- What package type does the UC2843BDR2 come in? The UC2843BDR2 comes in a 14-SOIC package.
- What is the maximum output current of the UC2843BDR2? The maximum output current of the UC2843BDR2 is 1 A.
- What are some common applications of the UC2843BDR2? Common applications include power supplies for industrial automation, DC-DC converters in data storage devices, and power conversion in automotive systems.
- Is the UC2843BDR2 RoHS compliant? The UC2843BDR2 is not RoHS compliant.
- What is the input voltage range of the UC2843BDR2? The input voltage range of the UC2843BDR2 is 7.6V to 30V.
- What type of output does the UC2843BDR2 have? The UC2843BDR2 has a transistor driver output type.
