UC3843 PWM Controller IC

UC3843 PWM Controller – DIP/SMD Format for Power Supply Circuits

UC3843 is a compact and fast current-mode control IC used in power supply and voltage regulation systems. It supports stable operation in switching circuits such as DC-DC converters and offline supplies. With a wide input range and quick response, this controller helps maintain output stability under varying load conditions.

It features a high-speed output for direct MOSFET driving and includes key functions like undervoltage lockout and current limiting. The IC is available in both DIP-8 and SOP-8 packages, allowing flexible use in different circuit layouts. Its efficiency and reliability make it suitable for industrial, battery-powered, and general-purpose applications in Pakistan’s electronics sector.

Key Specs Product: UC3843 PWM Controller Type: Current-Mode Control IC Voltage Range: 7.6V to 30V Output: High-Speed Totem-Pole Frequency: Up to 500kHz Package: DIP-8 and SOP-8 (SMD) Features: UVLO, Current Limiting Applications: DC-DC Converters, Power Supplies, Voltage Control Systems