UCC3803N Current Mode PWM Controller IC DIP-8 (UCC3803N SMPS Controller IC)

The UCC3803N is a high-performance current mode PWM controller IC designed for switch mode power supplies, DC-DC converters, offline power supplies, and power management systems. Featuring low startup current, precise PWM control, cycle-by-cycle current limiting, and fast transient response, this controller enables efficient and reliable power conversion in industrial and consumer electronic applications.

Key Features -

• Current mode PWM controller

• Optimized for SMPS applications

• Low startup and operating current

• Cycle-by-cycle current limiting

• High-speed PWM operation

• Built-in undervoltage lockout protection

• DIP-8 through hole package

Specifications -

• Product type - PWM controller IC

• Model - UCC3803N

• Controller type - Current Mode PWM Controller

• Package type - DIP-8

• Mounting type - Through Hole Mount

• Operating voltage - Wide supply voltage range

• Oscillator frequency - Programmable using external components

• Output type - PWM gate drive output

• Duty cycle - Up to 100% maximum

• Additional features - Soft start support, current limiting, and fast transient response

Applications -

• Switch mode power supplies

• AC-DC power converters

• DC-DC converter circuits

• Industrial power supplies

• Battery charging systems

• Telecom power equipment

• LED driver applications