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UC3843BD1R2G  

DC DC Switching Controllers

The ON Semiconductor UC3843BD1R2G is a high-performance, fixed frequency, current mode PWM controller designed for offline power supplies, DC-DC converters, and motor control applications. It is available in a compact SOIC-8 package.

Key Features:

• Fixed 50kHz switching frequency
• Current mode control for high performance and stability
• Wide input voltage range of 4.5V to 40V
• High output current capability up to 3A
• Low quiescent current for high efficiency
• Over-current protection, over-temperature protection, and under-voltage lockout
• Soft-start and cycle-by-cycle current limiting for enhanced reliability

Applications:

• Offline power supplies
• DC-DC converters
• Motor control applications
• Battery chargers
• LED lighting

The UC3843BD1R2G is a highly versatile and reliable PWM controller that offers excellent performance in a wide range of applications. Its fixed frequency operation and current mode control make it an ideal choice for designers looking for high efficiency and stability in their power supply designs.

UC3843BD1R2G Documents

Download datasheets and manufacturer documentation for UC3843BD1R2G

PCN Assembly/Origin :

Wafer Fab 18/May/2023      

Datasheets :

UC384(2,3)B, UC284(2,3)B      

PCN Packaging :

Tape Design Chg 25/Oct/2019       Mult MSL1 Pkg Rev 20/Dec/2018      

HTML Datasheet :

UC384(2,3)B, UC284(2,3)B      

Environmental Information :

onsemi RoHS       onsemi REACH       Material Declaration UC3843BD1R2G