onsemi

UC3845DR2  

DC DC Switching Controllers

UC3845DR2 Description

The UC3845DR2 is a transistor driver IC designed for DC-DC switching controllers, specifically tailored for boost and flyback topologies. Manufactured by onsemi, this obsolete component offers a robust set of features that make it suitable for various power conversion applications. With a supply voltage range of 7.6V to 30V, the UC3845DR2 can operate efficiently within a wide voltage spectrum, ensuring versatility in power supply design. Its switching frequency capability up to 500kHz allows for high-performance power conversion, making it ideal for applications requiring compact and efficient designs.

UC3845DR2 Features

The UC3845DR2 is equipped with several key features that enhance its performance and usability:

• Output Type: Transistor Driver
• Output Configuration: Positive, Isolation Capable
• Frequency - Switching: Up to 500kHz
• Control Features: Frequency Control
• Duty Cycle (Max): 48%
• Number of Outputs: 1
• Output Phases: 1
• Operating Temperature: 0°C to 70°C (TA)
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount

The UC3845DR2 also boasts a duty cycle of up to 48%, providing precise control over the power conversion process. Its surface mount package and tape & reel delivery format make it easy to integrate into modern manufacturing processes. The component is REACH unaffected, ensuring compliance with environmental regulations.

UC3845DR2 Applications

The UC3845DR2 is well-suited for applications that require efficient power conversion in boost and flyback topologies. Its wide supply voltage range and high switching frequency make it ideal for:

• Power Supplies: Efficiently converting input voltage to the desired output voltage in various power supply designs.
• Adaptive Voltage Controllers: Providing dynamic voltage control in adaptive systems.
• Telecommunications: Ensuring reliable power conversion in telecom equipment.
• Consumer Electronics: Enhancing the efficiency of power conversion in consumer devices.

Conclusion of UC3845DR2

The UC3845DR2 is a versatile transistor driver IC designed for DC-DC switching controllers. Its wide supply voltage range, high switching frequency, and robust feature set make it an excellent choice for applications requiring efficient power conversion. Despite being an obsolete component, the UC3845DR2 continues to offer reliable performance and is REACH unaffected, ensuring compliance with environmental standards. Its surface mount package and tape & reel delivery format make it easy to integrate into modern manufacturing processes, making it a valuable component for engineers and designers in the electronics industry.

UC3845DR2 Documents

Download datasheets and manufacturer documentation for UC3845DR2

Datasheets :

UC3844-45, UC2844-45      

PCN Obsolescence/ EOL :

Multiple Devices 15/May/2006      

HTML Datasheet :

UC3844-45, UC2844-45      

Environmental Information :

onsemi RoHS       onsemi REACH