onsemi

UC3843ADR2G

UC3843ADR2G Description

The UC3843ADR2G is a high-performance, monolithic integrated circuit designed for driving transistors in DC-DC switching applications. Manufactured by onsemi, it belongs to the category of DC-DC Switching Controllers. This device is now considered obsolete, but it was widely used in various electronic systems due to its robust performance and reliable operation. The UC3843ADR2G operates within a supply voltage range of 7.6V to 30V and is designed to work within an operating temperature range of 0°C to 70°C (TA). It is packaged in a 14-SOIC package and is mounted on the surface.

UC3843ADR2G Features

• Output Type: Transistor Driver
• Output Configuration: Positive, Isolation Capable
• Frequency - Switching: Up to 500kHz
• REACH Status: REACH Unaffected
• Voltage - Supply (Vcc/Vdd): 7.6V ~ 30V
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Operating Temperature: 0°C ~ 70°C (TA)
• Synchronous Rectifier: No
• ECCN: EAR99
• Topology: Boost, Flyback
• Mounting Type: Surface Mount
• Clock Sync: No
• Number of Outputs: 1
• Control Features: Frequency Control
• Duty Cycle (Max): 96%
• Output Phases: 1
• HTSUS: 8542.31.0001
• Package: Tape & Reel (TR)
• Base Product Number: UC3843

UC3843ADR2G Applications

The UC3843ADR2G is ideal for applications that require efficient power conversion and regulation. Some specific use cases include:

1. Power Supplies: Due to its high switching frequency and wide supply voltage range, the UC3843ADR2G is suitable for designing compact and efficient power supplies for various electronic devices.
2. Telecommunications Equipment: The device's ability to operate within a wide temperature range makes it suitable for use in telecommunications equipment that may be exposed to varying environmental conditions.
3. Industrial Control Systems: The UC3843ADR2G can be used in industrial control systems that require stable and reliable power regulation to ensure the proper functioning of control circuits.

Conclusion of UC3843ADR2G

The UC3843ADR2G is a versatile and reliable DC-DC switching controller that offers high performance and flexibility in power conversion applications. Although it is now considered obsolete, its unique features, such as its wide supply voltage range, high switching frequency, and ability to operate within a wide temperature range, make it an ideal choice for various electronic systems. Its robust performance and reliable operation have made it a popular choice among engineers and designers in the electronics industry.