UC3845 Current Mode PWM controller IC

UC3845 PWM Controller – Reliable IC for Switch-Mode Power Supplies

The UC3845 is a reliable current-mode control IC used in various power management systems. It helps regulate voltage efficiently and supports high-frequency operation, making it useful in compact and space-saving electronic designs. This IC offers a fast response and stable performance in demanding environments, such as battery-operated devices and industrial control units.

Its features include an integrated oscillator, totem-pole output, under-voltage lockout, and built-in current limiting. These protections allow safer circuit operation while supporting consistent performance under changing loads. The UC3845 is available in both DIP-8 and SOP-8 packages, giving flexibility in different PCB layouts.

Commonly used in LED drivers, motor control units, and DC-DC power modules, this controller supports modern energy-efficient designs across Pakistan's electronics industry.

Key Specs Product: UC3845 Function: Current-Mode PWM Control Voltage Range: 7.6V – 30V Output Type: Totem-Pole Switching Frequency: Up to 500kHz Protections: UVLO, Current Limiting Package: DIP-8 / SOP-8 Applications: Power Supply, LED Driver, Motor Control, Battery Charging