UC3844 Current Mode PWM Controller IC DIP 8

UC3844 Current Mode PWM Controller IC DIP 8 

The UC3844 is a high-performance current-mode Pulse Width Modulation (PWM) controller IC widely used in switch-mode power supplies (SMPS) and DC-DC converter applications. It provides fast transient response, accurate current limiting, and built-in protection features. The DIP-8 through-hole package makes it ideal for prototyping, repair, and educational projects.

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Key Features

• IC Type: Current Mode PWM Controller
• Model: UC3844
• Package: DIP-8 (Through-Hole)
• Current-mode control for improved loop stability
• Externally programmable switching frequency
• High-current totem-pole output for MOSFET drive
• Cycle-by-cycle current limiting
• Under-Voltage Lockout (UVLO) protection
• Low start-up current
• Maximum duty cycle: 50%

Typical Applications

• Switch-Mode Power Supplies (SMPS)
• Flyback and forward converters
• AC-DC adapters
• DC-DC power converters
• Battery chargers
• Industrial and consumer power supplies

Datasheet UC series