onsemi

UC2843BDR2G  

DC DC Switching Controllers

UC2843BDR2G Description

The UC2843BDR2G is a high-performance, single-output, high-voltage, current mode, PWM controller designed for off-line flyback and boost applications. It is manufactured by onsemi, a leading global supplier of semiconductor solutions. This device is an active product, compliant with RoHS3 standards, and unaffected by REACH regulations. The UC2843BDR2G operates with a supply voltage range of 7.6V to 30V and is designed for switching frequencies up to 500kHz.

UC2843BDR2G Features

• Output Type: Transistor Driver with positive output configuration and isolation capability.
• Frequency - Switching: Up to 500kHz for efficient power conversion.
• Control Features: Frequency control for precise regulation of output voltage.
• Duty Cycle (Max): 96% for high power efficiency.
• Output Phases: Single phase output.
• Synchronous Rectifier: No, making it suitable for applications where synchronous rectification is not required.
• Topology: Supports both boost and flyback topologies.
• Mounting Type: Surface mount for compact and efficient board layout.
• Clock Sync: No, allowing for independent operation.
• Number of Outputs: One output for single-phase applications.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), ensuring reliable performance in various environmental conditions.
• Package: Tape & Reel (TR) for automated assembly and handling.
• Base Product Number: UC2843, indicating its origin from a proven and reliable product family.

UC2843BDR2G Applications

The UC2843BDR2G is ideal for a wide range of applications where high-voltage, high-efficiency power conversion is required. Some specific use cases include:

1. Telecommunications: Powering equipment such as routers, switches, and base stations.
2. Industrial Control: Providing stable power to motor drives, sensors, and control systems.
3. Medical Devices: Ensuring reliable operation of medical instruments and diagnostic equipment.
4. Automotive: Powering infotainment systems, lighting, and other electronic components in vehicles.

Conclusion of UC2843BDR2G

The UC2843BDR2G is a versatile and reliable DC-DC switching controller that offers high performance and flexibility in a compact surface-mount package. Its unique features, such as high switching frequency, wide supply voltage range, and compatibility with both boost and flyback topologies, make it an excellent choice for a variety of applications. With its proven reliability and compliance with industry standards, the UC2843BDR2G is a trusted solution for demanding power conversion requirements.

UC2843BDR2G Documents

Download datasheets and manufacturer documentation for UC2843BDR2G

PCN Assembly/Origin :

Wafer Fab 18/May/2023      

Datasheets :

UC384(2,3)B, UC284(2,3)B      

HTML Datasheet :

UC384(2,3)B, UC284(2,3)B      

Environmental Information :

onsemi RoHS       Material Declaration UC2843BDR2G