UC3844 PWM Controller IC (SOIC 8, Fixed Frequency Current Mode)

The UC3844 is a fixed frequency current mode Pulse Width Modulation (PWM) controller designed for switching power supply applications. It provides precise control of switching cycles using current feedback and voltage regulation, making it suitable for offline and DC to DC converter designs. The SOIC 8 package supports compact circuit layouts.

Key Features -

• Fixed frequency current mode PWM control

• Designed for switching power supply regulation

• Cycle by cycle current limiting capability

• Integrated oscillator for switching frequency control

• Undervoltage lockout for controlled startup and shutdown

• Compact SOIC 8 surface mount package

Specifications -

• Part Number: UC3844

• IC Type: Current Mode PWM Controller

• Control Method: Fixed Frequency Current Mode

• Package: SOIC 8

• Supply Voltage and operating frequency: Refer to the specific manufacturer datasheet

• Output: Gate drive signal for an external power switching device

• Protection: Cycle by cycle current limiting and undervoltage lockout

Applications -

• Switched Mode Power Supplies (SMPS)

• Flyback converter circuits

• DC to DC converter designs

• Battery charging power supplies

• Industrial power control circuits

• Power supply regulation and switching control